MALICIOUS — 2bb42aaf596f718ae78a8b6f6aa700c3376829def736ce8371c5716bd1b54333

MALICIOUS — 2bb42aaf596f718ae78a8b6f6aa700c3376829def736ce8371c5716bd1b54333 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Dqan family. 8 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 2bb42aaf596f718ae78a8b6f6aa700c3376829def736ce8371c5716bd1b54333
• SHA-1: 7387073734cabec224ee26c81bc6c18670abc149
• MD5: a2e61eb5db4dfcd0459a1ad4d70dce9b
• imphash: 4b540122e47bd952474dff889d5cdec9
• ssdeep: 24576:Tx/B5ewYsKUnNzO0LdXewKNnpXaewsAjbw/r:NBQCKMN7pXRKNnpKljs
• TLSH: T1D0575BCD56099351E231EB311CA16EAC8062B4D579FE340D4F07C87E6AF78B7E8214A9
• Submitted as: 2bb42aaf596f718ae78a8b6f6aa700c3376829def736ce8371c5716bd1b54333
• File type: pe · Size: 1600483 bytes
• Verdict: malicious (99/100) · Family: Dqan

Detections (8 of 55 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• capa (capabilities): capability:collection/keylog
• ClamAV (daily): Win.Malware.Dqan-9885474-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• LIEF (executable format parser): lief:invalid-authenticode
• Microsoft Defender: flagged

MITRE ATT&CK

• T1055
• T1056.001

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 99/100 is the fusion of 8 weighted signals:

• ClamAV (daily) flagged Win.Malware.Dqan-9885474-0 (rule Win.Malware.Dqan-9885474-0) - 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
• capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - 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_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• LIEF (executable format parser) flagged lief:invalid-authenticode (rule lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70
• inject code into another process (rule inject code into another process) - capa signal, weight 0.12, confidence 0.60

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• 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
• http://crl.verisign.com/tss-ca.crl0
• https://www.verisign.com/rpa
• https://www.verisign.com/rpa01
• http://crl.verisign.com/pca3.crl0
• http://CSC3-2004-crl.verisign.com/CSC3-2004.crl0D
• https://www.verisign.com/rpa0

Embedded domains

• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com
• crl.verisign.com
• www.verisign.com
• outlook.network
• csc3-2004-crl.verisign.com

File paths

• d:\dbs\el\oc\target\x86\ship\click2run\x-none\perfboost.pdb
• T:\:d:l:t:
• X:\:`:d:h:l:p:t:x:
• X:\:`:h:l:p:t:x:
• X:\:t:
• T:\:
• d:\_Bld\10657\7994\Sources\obj\Win32\Release\EvaluationContainer.csproj\Microsoft.Mashup.Container.pdb
• C:\btvsts\3481\private\softgrid\shared\include\command_line_cleaner.hpp
• T:\:h:
• U:\:l:s:z:
• R:\:t:
• g:\acro_root_at\acrobat\viewer\win\output\acrobat\AcroRd32Info.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report