MALICIOUS — 12013878e0c9d358aabe48106fef285f0ed5ea784f5da5dfa6c627cc03e572bc

MALICIOUS — 12013878e0c9d358aabe48106fef285f0ed5ea784f5da5dfa6c627cc03e572bc is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the AutoRun family. 9 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: 12013878e0c9d358aabe48106fef285f0ed5ea784f5da5dfa6c627cc03e572bc
• SHA-1: 4404a63e786a9f48a1deab383852b48d990b631b
• MD5: be0d81c34434d67e9292af16a20b726e
• imphash: 01392ca861cf87b8d28ad9ea90016bb4
• ssdeep: 49152:grrro9t6jQaBLfUloJdXN0BMOwLloBrugYBMO+YrovpU/9L:gndjzXJdXN0B7+s3Ogy
• TLSH: T1155DBF885623BA00D5BADB645C240F5C7076F49A7ABD159C2B02DFFE96D3C33A4A0139
• Submitted as: 12013878e0c9d358aabe48106fef285f0ed5ea784f5da5dfa6c627cc03e572bc
• File type: pe · Size: 2803035 bytes
• Verdict: malicious (100/100) · Family: AutoRun

Detections (9 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): ASPack
• ClamAV (daily): Win.Malware.Bulz-9871427-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Stratosphere IPS: STRATO_Tor_Onion_C2
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Detect It Easy (packer/type): DIE:Microsoft Linker
• Microsoft Defender: Worm:Win32/AutoRun!pz
• Emsisoft (Emergency Kit): Trojan.Runner.BP
• Kaspersky (KVRT): Worm.Win32.AutoRun.vx

MITRE ATT&CK

• T1071.001
• T1547.001
• T1518.001
• T1105

Why this verdict

The malicious score of 100/100 is the fusion of 17 weighted signals:

• ClamAV (daily) flagged Win.Malware.Bulz-9871427-0 (rule Win.Malware.Bulz-9871427-0) - engine signal, weight 0.90, confidence 0.95
• 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
• Microsoft Defender flagged Worm:Win32/AutoRun!pz (rule Worm:Win32/AutoRun!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Runner.BP (rule Trojan.Runner.BP) - 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
• YARA: Stratosphere IPS flagged STRATO_Tor_Onion_C2 (rule STRATO_Tor_Onion_C2) - engine signal, weight 0.50, confidence 0.70
• Contacted 2 external host(s) and 20 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
• MalwareAnalyser heuristics (entropy/packer) flagged ASPack (rule ASPack) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://services.acrobat.com, https://services.acrobat.com/account/wsapi/, https://v2.services.acrobat.com - 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
• Dropped 22 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
• Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

26387 behavior events · 1 ATT&CK techniques · 23 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• ctldl.windowsupdate.com
• update.googleapis.com
• desktop-hsgcbep
• login.live.com
• v20.events.data.microsoft.com
• config.edge.skype.com
• windows.msn.com
• officeclient.microsoft.com
• www.msn.com
• odc.officeapps.live.com
• settings-win.data.microsoft.com
• assets.msn.com

Dropped files

• C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroCEF\SingleClientServicesUpdater.exe - 6a8dfefd65f5986701a19bf2fb197a266058013d8019f6917c6b9c2baf69c72b
• 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\NGL\cefWorkflow\adobe_licensing_wf_acro.exe - e3634a01ac7acc22ff3f3e8348ae7a414d47a247bc092a3fc7f50f89b8a9085d
• C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\64BitMAPIBroker.exe - 6a78dba30ca10f3addef5b1683bd7bc97e98ce03c9e6ae7056845ee1b70b7d10
• C:\Program Files\7-Zip\7zG.exe - 8c487e9dba53805db4e3bbb21ef61d58ea92e4344881158c108c202e97675b29
• C:\Program Files\Adobe\Acrobat DC\Acrobat\OSSLLibs\AdobeFips.exe - 3c397fea1d6743d6145677c9ccff1457326441a443e715ee8b73612a081987d6
• 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\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\7-Zip\7zFM.exe - f81ad58994d12663ebef76337fc45940a269602489b1e8c8e6424b04f015e24b
• C:\Program Files\Adobe\Acrobat DC\Acrobat\Assets\MenuCoreApp\AcroShareTarget.exe - f8e5f96f5d1a4af50ee6a35ecf9d629e1694d8397d681a7d1eb7683c2a3a653c

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://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
• https://services.acrobat.com
• https://services.acrobat.com/account/wsapi/
• https://v2.services.acrobat.com
• https://tob.acrobat.com/TOB/
• https://api.share.acrobat.com
• https://api.share.acrobat.com/webservices/api/v1/
• https://createpdf.acrobat.com
• https://api2.acrobat.com/webservices
• https://v2.services.acrobat.com/
• https://api2.acrobat.com
• http://ns.adobe.com/Acrobat/RSS/Inbox/feedUI
• http://ns.adobe.com/Acrobat/RSS/Inbox/icon
• http://ns.adobe.com/Acrobat/RSS/Reviews/deadline
• http://ns.adobe.com/synchronizer/ttl
• http://ns.adobe.com/synchronizer/dependency
• http://www.w3.org/2005/Atom
• http://purl.org/atom/ns#
• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://www.w3.org/2005/Atommodifled

Embedded domains

• www.microsoft.com
• crl.microsoft.com
• u.jp
• services.acrobat.com
• v2.services.acrobat.com
• tob.acrobat.com
• api.share.acrobat.com
• createpdf.acrobat.com
• api2.acrobat.com
• ns.adobe.com
• www.w3.org
• purl.org
• crl.thawte.com
• ts-aia.ws.symantec.com
• ts-crl.ws.symantec.com
• crl.verisign.com
• www.verisign.com
• logo.verisign.com
• www.symauth.com
• evcs-crl.ws.symantec.com
• evcs-aia.ws.symantec.com
• schemas.microsoft.com
• office.microsoft.com
• x1.c.lencr.org
• x2.c.lencr.org

Embedded IP addresses

• 4.6.0.111
• 11.0.07.79
• 4.150.223.101
• 4.230.171.124
• 172.215.188.232
• 4.144.132.114
• 85.210.196.11
• 20.42.73.30
• 20.165.94.54
• 20.165.94.63
• 52.168.112.67
• 135.232.92.137
• 52.110.12.46
• 52.110.12.25
• 4.150.223.103
• 51.105.71.136
• 52.148.114.188
• 92.223.78.30
• 72.153.5.128
• 52.110.12.15

Registry keys

• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppV\Subsystem\LegacyDetection

File paths

• f:\dd\Tools\devdiv\FinalPublicKey.snk
• C:\btvsts\3621\private\softgrid\shared\include\coinitialize.h
• X:\:x:
• X:\:`:d:h:l:p:t:
• X:\:`:d:h:l:p:t:x:
• X:\:l:p:
• H:\:d:l:
• T:\:d:l:t:
• T:\:h:
• p:\Target\x86\ship\setuptools\x-none\Flattener.pdb
• d:\_Bld\10657\7994\Sources\obj\Win32\Release\EvaluationContainer.NetFX45.csproj\Microsoft.Mashup.Container.NetFX45.pdb
• d:\dbs\el\oc\target\x86\ship\postc2r\x-none\selfcert.pdb
• V:\:b:h:n:t:z:
• P:\:d:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report