MALICIOUS — 46cfeb049ec1b54df89c49003c2b772750bbcd89e6ebb235bf1861771a6613a3

MALICIOUS — 46cfeb049ec1b54df89c49003c2b772750bbcd89e6ebb235bf1861771a6613a3 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Azvo family. 12 of 56 detection engines flagged it, exhibiting 6 ATT&CK techniques.

Identification

• SHA-256: 46cfeb049ec1b54df89c49003c2b772750bbcd89e6ebb235bf1861771a6613a3
• SHA-1: ff0466b2a6e5aa7d67b5aab1ae5dc4ffb6289a3f
• MD5: 221558563a6e84327d90fd05d089729f
• imphash: 01392ca861cf87b8d28ad9ea90016bb4
• ssdeep: 49152:+rV7uNRXwrV7uNRXJoUljkv9M2J+ao/4MnYYJ2ZhqSGLHkJEMy:o4R24R5oL9RJIDQy
• TLSH: T13E5CD0881045E746E5F2AFA19C847D0D50B3B0E92DBE17CC97C3C86EA2B6CA7702155E
• Submitted as: 46cfeb049ec1b54df89c49003c2b772750bbcd89e6ebb235bf1861771a6613a3
• File type: pe · Size: 2446782 bytes
• Verdict: malicious (100/100) · Family: Azvo

Detections (12 of 56 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• MalwareAnalyser heuristics (entropy/packer): ASPack
• ClamAV (daily): Win.Ransomware.Azvo-9979243-0
• YARA: bartblaze: BB_Clipbanker
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Detect It Easy (packer/type): DIE:Microsoft Linker
• Microsoft Defender: Worm:Win32/AutoRun!pz
• Emsisoft (Emergency Kit): Gen:Heur.Mint.Autorunner.1
• Trellix Stinger (McAfee): W32/Worm-GBW!221558563A6E
• Kaspersky (KVRT): Worm.Win32.AutoRun.vx

MITRE ATT&CK

• T1055
• T1547.001
• T1071.001
• T1057
• T1518.001
• T1105

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 100/100 is the fusion of 23 weighted signals:

• ClamAV (daily) flagged Win.Ransomware.Azvo-9979243-0 (rule Win.Ransomware.Azvo-9979243-0) - engine signal, weight 0.90, confidence 0.95
• Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
• 2 behavioral detection(s) across 2 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.63, confidence 0.90
• YARA: bartblaze flagged BB_Clipbanker (rule BB_Clipbanker) - engine signal, weight 0.70, confidence 0.70
• Microsoft Defender flagged Worm:Win32/AutoRun!pz (rule Worm:Win32/AutoRun!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Heur.Mint.Autorunner.1 (rule Gen:Heur.Mint.Autorunner.1) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged W32/Worm-GBW!221558563A6E (rule W32/Worm-GBW!221558563A6E) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Worm.Win32.AutoRun.vx (rule Worm.Win32.AutoRun.vx) - engine signal, weight 0.55, confidence 0.85
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
• Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 1 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
• YARA: MalwareAnalyser built-in flagged Windows_Injection_Api_Combo (rule Windows_Injection_Api_Combo) - engine signal, weight 0.35, confidence 0.70
• MalwareAnalyser heuristics (entropy/packer) flagged ASPack (rule ASPack) - engine signal, weight 0.35, confidence 0.70
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
• YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.30, confidence 0.70
• Embedded network infrastructure: http://www.symauth.com/cps0, http://www.symauth.com/rpa04, http://www.symauth.com/cps09 - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• Packing/obfuscation: ASPack, high-entropy-sections:.text, Microsoft Linker - static signal, weight 0.25, confidence 0.55
• enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
• Dropped 22 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
• inject code into another process (rule inject code into another process) - capa signal, weight 0.12, confidence 0.60

Dynamic analysis (windows)

25803 behavior events · 1 ATT&CK techniques · 23 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• ctldl.windowsupdate.com
• update.googleapis.com
• login.live.com
• v20.events.data.microsoft.com
• desktop-hsgcbep
• config.edge.skype.com
• windows.msn.com
• licensing.mp.microsoft.com
• officeclient.microsoft.com
• www.msn.com
• odc.officeapps.live.com
• settings-win.data.microsoft.com
• assets.msn.com
• www.bing.com
• th.bing.com
• fe3cr.delivery.mp.microsoft.com

Dropped files

• C:\Program Files\7-Zip\7zFM.exe - 73979d5e788dc9088c9d1836251acb4d6639a8088363d83d43fc158013825787
• C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_acro.exe - b8a9d5807917687ab25ef2c5759f7f1520fda63f734924b93c86e5524d0e7f68
• C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_helper_acro.exe - 377693e2ca6eefba36f61373194f572541a409cb10808b8c71d52897a6df3e8f
• bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
• C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\64BitMAPIBroker.exe - 6a78dba30ca10f3addef5b1683bd7bc97e98ce03c9e6ae7056845ee1b70b7d10
• C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\32BitMAPIBroker.exe - d69bfe7e5606f393a78f82b02533238502a991c531e27db14dfcf0f44894f307
• C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroCEF\SingleClientServicesUpdater.exe - 63156ae4b122e6f9584581782b64327bfbf60d31ae39de283fd5beeea5aa6746
• C:\Program Files\7-Zip\7z.exe - 634d38c0c414178e2f35de5cc0fb29aa082eec227e630c4481e1af7694980ac9
• C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroCEF\SingleClientServicesUpdater.exe - 97f80bc4deea4a0360b705e5be5cd32c47d073593d2fed4c6c556bc4915351f0
• C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_acro.exe - 903163c4b79020a3b3a35fb9fae225b9a1cbab34936e8aa873b10d180463ba68
• C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroCEF\AcroCEF.exe - 7f65f5ae08cc5a15df0c7d70e3fc3ba5b4f083dcbdc02170423867257ffaf076
• C:\Program Files\7-Zip\7zG.exe - 7b5eda73c21960c451ea3148900b28cdbac7180e43047fbc944028096e497c08
• C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\32BitMAPIBroker.exe - da6d0544ee3a6b75f3c5c545213b10ec93a15d5213e5232e7e224a29ecb91d6b
• C:\Program Files\Adobe\Acrobat DC\Acrobat\Assets\MenuCoreApp\AcroShareTarget.exe - f8e5f96f5d1a4af50ee6a35ecf9d629e1694d8397d681a7d1eb7683c2a3a653c
• C:\Program Files\7-Zip\7zFM.exe - 2e030aa5cdf7c562c0acc516e43265d031ec41f448f972d2c3882e9208aa3eb8

Embedded URLs

• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://www.microsoft.com/windows0
• http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
• http://crl.verisign.com/tss-ca.crl0
• http://crl.microsoft.com/pki/crl/products/CodeSignPCA2.crl0O
• http://office.microsoft.com
• http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
• http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
• http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
• http://crl.thawte.com/ThawteTimestampingCA.crl0
• http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
• http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
• http://crl.verisign.com/pca3.crl0
• https://www.verisign.com/cps0
• http://logo.verisign.com/vslogo.gif04
• http://www.symauth.com/cps0
• http://www.symauth.com/rpa04
• http://crl.verisign.com/pca3-g5.crl0
• http://www.symauth.com/cps09
• http://evcs-crl.ws.symantec.com/evcs.crl0
• http://evcs-aia.ws.symantec.com/evcs.cer0
• http://nsis.sf.net/NSIS_Error
• http://watson.microsoft.com/dw/dcp.asp
• http://watson.microsoft.com/dw/watsoninfo.asp
• http://www.microsoft.com/pki/certs/tspca.crt0

Embedded domains

• www.microsoft.com
• crl.microsoft.com
• crl.verisign.com
• office.microsoft.com
• crl.thawte.com
• ts-aia.ws.symantec.com
• ts-crl.ws.symantec.com
• www.verisign.com
• logo.verisign.com
• www.symauth.com
• evcs-crl.ws.symantec.com
• evcs-aia.ws.symantec.com
• nsis.sf.net
• watson.microsoft.com
• microsoft.com
• msn.com
• groove.net

Embedded IP addresses

• 11.0.07.79
• 20.184.175.9
• 52.123.252.215
• 52.230.60.54
• 4.230.171.124
• 85.210.193.152
• 135.232.92.97
• 51.105.71.136
• 74.178.240.61
• 172.64.154.167
• 135.232.92.137
• 4.247.188.224
• 52.110.12.40
• 125.56.205.25
• 125.56.205.59
• 52.148.114.188
• 72.145.35.98
• 4.150.223.101
• 4.150.223.97
• 52.110.12.18
• 52.110.12.20

Registry keys

• HKCU\Software\Microsoft\Shared\OfficeUILanguage
• HKCU\Software
• HKLM\Software
• HKCU\Software\Microsoft\Internet
• HKLM\Software\Microsoft\Windows
• HKLM\Software\Microsoft\Office\11.0\Registration
• HKCU\Software\Policies
• HKLM\Software\Policies
• HKEY_CURRENT_USER\Software\Adobe\Adobe
• HKEY_CURRENT_USER\Software\Adobe\Acrobat

File paths

• d:\Office\Source\groove\bin\ReleaseSym\DRAT.pdb
• C:\btvsts\3481\private\softgrid\shared\include\command_line_cleaner.hpp
• T:\:d:l:t:
• X:\:`:d:h:l:p:t:x:
• T:\:h:
• X:\:@=D=H=L=P=T=X=\=`=d=h=l=p=t=x=
• P:\:
• R:\Sg
• C:\Program

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report