MALICIOUS — 71a5bcd6d55cc91e6858e986f963c832592147fc4ec5b65d0e19e8eca91fd752

MALICIOUS — 71a5bcd6d55cc91e6858e986f963c832592147fc4ec5b65d0e19e8eca91fd752 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the AutoRun family. 8 of 25 detection engines flagged it, exhibiting 6 ATT&CK techniques.

Identification

SHA-256: 71a5bcd6d55cc91e6858e986f963c832592147fc4ec5b65d0e19e8eca91fd752
SHA-1: 59ff25b7b4d47d8dbf35688fa656cd8640d9cb26
MD5: 13ebc4cfb3caf2d512de72be450e85ec
imphash: 01392ca861cf87b8d28ad9ea90016bb4
ssdeep: 49152:qLg4s/IabjKoh9WsRrRokp88xmN3Aek03noj45wlDT:48IabjKoh9WsRrRokqeUJF3noxD
TLSH: T1A85D18C4661AD742C1F8AB1D7D744B9D70A2E0A4313D8C08EE87F06D1DFAA2358A4E5D
Submitted as: 71a5bcd6d55cc91e6858e986f963c832592147fc4ec5b65d0e19e8eca91fd752
File type: pe · Size: 2692108 bytes
Verdict: malicious (100/100) · Family: AutoRun

Detections (8 of 25 engines)

capa (capabilities): capability:collection/keylog
MalwareAnalyser heuristics (entropy/packer): ASPack
YARA: JPCERT/CC: JPCERT_Emotet
YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
Microsoft Defender: Worm:Win32/AutoRun!pz
Emsisoft (Emergency Kit): Trojan.Runner.BP
Kaspersky (KVRT): Worm.Win32.AutoRun.vx

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 15 weighted signals:

Dropped a malicious payload: bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - dynamic signal, weight 0.80, confidence 0.90
Memory forensics: 5 finding(s), e.g. RWX/private injected region in taskhostw.exe (pid 6512) (rule windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85
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
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 31 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
YARA: JPCERT/CC flagged JPCERT_Emotet (rule JPCERT_Emotet) - engine signal, weight 0.35, confidence 0.70
YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70
YARA: Yara-Rules community flagged YR_Packer_ASPack_MPRESS (rule YR_Packer_ASPack_MPRESS) - 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
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 - static signal, weight 0.25, confidence 0.55
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

24242 behavior events · 1 ATT&CK techniques · 83 dropped files.

Dropped files

/opt/CAPEv2/storage/analyses/7521/files/32acc1bc543116cbe2cff10cb867772df2f254ff2634c870aef0b46c4b696fdb - 32acc1bc543116cbe2cff10cb867772df2f254ff2634c870aef0b46c4b696fdb
/opt/CAPEv2/storage/analyses/7521/files/068f39fc02b8c74c722d9c0b7e04d49fd43dd123ed4f9d1bbcf27769116814b4 - 068f39fc02b8c74c722d9c0b7e04d49fd43dd123ed4f9d1bbcf27769116814b4
/opt/CAPEv2/storage/analyses/7521/files/0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91 - 0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91
/opt/CAPEv2/storage/analyses/7521/files/1cac887cb1b65f85d36a85a69c10f7a085bff11e34aed45a0b6fffa56c7bc62c - 1cac887cb1b65f85d36a85a69c10f7a085bff11e34aed45a0b6fffa56c7bc62c
/opt/CAPEv2/storage/analyses/7521/files/72463c8568ef25cab9e7a3df9480793690ac9b3d95af11cef482dae2e441561d - 72463c8568ef25cab9e7a3df9480793690ac9b3d95af11cef482dae2e441561d
/opt/CAPEv2/storage/analyses/7521/files/bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
/opt/CAPEv2/storage/analyses/7521/files/4f2de9c2438ccc0614bdaaafb9a408e9931061c1caafe178d0dfd7197643a08c - 4f2de9c2438ccc0614bdaaafb9a408e9931061c1caafe178d0dfd7197643a08c
/opt/CAPEv2/storage/analyses/7521/files/5cf99cc47e593a3221bbc1cbd50b0fbd6aade5033629bcce4305207b1f494ff1 - 5cf99cc47e593a3221bbc1cbd50b0fbd6aade5033629bcce4305207b1f494ff1
/opt/CAPEv2/storage/analyses/7521/files/920fb0937f8a9d345830865059b6ae3f35ab6803ad4cffef4447473ec18e17a0 - 920fb0937f8a9d345830865059b6ae3f35ab6803ad4cffef4447473ec18e17a0
/opt/CAPEv2/storage/analyses/7521/files/f19afa9bbf2ef0308f37ce6cb87cb3c59eb2d1685e08d8b15fd197dda813f379 - f19afa9bbf2ef0308f37ce6cb87cb3c59eb2d1685e08d8b15fd197dda813f379
/opt/CAPEv2/storage/analyses/7521/files/b871b28f06cb3b167cd8ca5a43f3ed6cb6a0b92dbb622bd35050b39538ef7fdd - b871b28f06cb3b167cd8ca5a43f3ed6cb6a0b92dbb622bd35050b39538ef7fdd
/opt/CAPEv2/storage/analyses/7521/files/4e307bc9c49a98187e384a9309fbbf49e4fde50b2b989cede11bb8eb2c8debdc - 4e307bc9c49a98187e384a9309fbbf49e4fde50b2b989cede11bb8eb2c8debdc
/opt/CAPEv2/storage/analyses/7521/files/079771f6478bb63f24119685df1262ea2735295a3022ba6c1d509650800797e4 - 079771f6478bb63f24119685df1262ea2735295a3022ba6c1d509650800797e4
/opt/CAPEv2/storage/analyses/7521/files/bbb3de5707629e6a60a0c238cd477b28f07f0066982fda953fa6fcec39073a4a - bbb3de5707629e6a60a0c238cd477b28f07f0066982fda953fa6fcec39073a4a
/opt/CAPEv2/storage/analyses/7521/files/488e501bab6812c7f64a76c5d71889dca2ba840a8256db75312bcc1c3b668761 - 488e501bab6812c7f64a76c5d71889dca2ba840a8256db75312bcc1c3b668761

Embedded URLs

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://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://office.microsoft.com
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
http://office.microsoft.com/0
https://armmf.adobe.com/arm-manifests/win/
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
http://watson.microsoft.com/dw/dcp.asp
http://watson.microsoft.com/dw/watsoninfo.asp
http://schemas.microsoft.com/SMI/2005/WindowsSettings

Embedded domains

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
crl.microsoft.com
www.microsoft.com
office.microsoft.com
armmf.adobe.com
www.adobe.com
watson.microsoft.com
microsoft.com
msn.com
schemas.microsoft.com
crl.certum.pl
repository.certum.pl
www.certum.pl
ccsca2021.crl.certum.pl
subca.repository.certum.pl
subca.crl.certum.pl

Embedded IP addresses

1.7.2.0
11.0.07.79
51.104.15.252
4.230.171.124
40.84.85.40
20.247.184.197
74.178.232.29
74.178.240.51
135.233.95.144
52.168.117.168
203.26.79.13
135.233.45.222
92.223.78.30
72.145.35.116
13.89.179.15
4.150.223.111
135.232.92.34
52.148.114.188
52.110.12.26
52.110.12.19

Registry keys

HKCU\Software
HKCU\Software\Policies
HKLM\Software
HKLM\Software\Policies
HKCU\Software\Microsoft\Shared\OfficeUILanguage
HKLM\Software\Microsoft\Windows
HKLM\Software\Microsoft\Office\11.0\Registration
HKEY_CLASSES_ROOT\Software\Adobe\Acrobat\Exe
HKLM\SOFTWARE\RegisteredApplications

File paths

d:\_Bld\10657\7994\Sources\obj\Win32\Release\EvaluationContainer.NetFX40.csproj\Microsoft.Mashup.Container.NetFX40.pdb
f:\CB\ARM_Sustaining\BuildResults\bin\Win32\Release\AdobeARMHelper.pdb
X:\:`:
X:\:`:d:h:l:p:@;D;H;L;P;T;X;\;`;
X:\:`:d:h:p:t:x:
X:\:`:d:h:l:p:t:x:
T:\:h:
P:\Target\x86\ship\dw\x-none\dw20.pdb
T:\:d:l:t:
X:\:l:p:t:x:
E:\build\workdir\LinkTarget\Executable\minidump_upload.pdb
E:\build\workdir\LinkTarget\Executable\gengal.pdb
f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\filecore.cpp
f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\filetxt.cpp
f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\auxdata.cpp
f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin1.inl
f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin2.inl

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report