MALICIOUS — 9d624899f4e67ea1b6bafbad78ee75af4bd98f40ccd5254423d080fc15938362

MALICIOUS — 9d624899f4e67ea1b6bafbad78ee75af4bd98f40ccd5254423d080fc15938362 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Kolab family. 8 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 9d624899f4e67ea1b6bafbad78ee75af4bd98f40ccd5254423d080fc15938362
• SHA-1: c839e56b379e4642dfa9b840847d46068785cfd8
• MD5: 055f285c498565c694af5cc471293dc1
• imphash: 01392ca861cf87b8d28ad9ea90016bb4
• ssdeep: 12288:IscescrmymOrwWBwnPrXOcmFFgOkyU532WTh0tFhfa3G:ourmLOXwnPjO7KX53RTh0tFda3G
• TLSH: T18550BE80568AA305D5B2CBAD7D28AE4D1073F49D227E1E8D2306C43F56F3F7760A8256
• Submitted as: 9d624899f4e67ea1b6bafbad78ee75af4bd98f40ccd5254423d080fc15938362
• File type: pe · Size: 763206 bytes
• Verdict: malicious (96/100) · Family: Kolab

Detections (8 of 55 engines)

• MalwareAnalyser heuristics (entropy/packer): ASPack
• ClamAV (daily): Win.Malware.Kolab-9885903-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
• Detect It Easy (packer/type): DIE:Microsoft Linker
• Microsoft Defender: Worm:Win32/AutoRun!pz
• Emsisoft (Emergency Kit): Gen:Heur.Mint.Autorunner.1
• Kaspersky (KVRT): Worm.Win32.AutoRun.vx

MITRE ATT&CK

• T1071.001

Why this verdict

The malicious score of 96/100 is the fusion of 6 weighted signals:

• ClamAV (daily) flagged Win.Malware.Kolab-9885903-0 (rule Win.Malware.Kolab-9885903-0) - engine signal, weight 0.90, confidence 0.95
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - 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
• Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
• 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

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://schemas.microsoft.com/SMI/2005/WindowsSettings
• 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
• https://www.verisign.com/rpa
• http://csc3-2010-crl.verisign.com/CSC3-2010.crl0D
• https://www.verisign.com/rpa0
• http://csc3-2010-aia.verisign.com/CSC3-2010.cer0
• https://www.verisign.com/cps0*
• http://logo.verisign.com/vslogo.gif04
• http://crl.verisign.com/pca3-g5.crl04
• https://hl2rcv.adobe.com/headlights
• http://crl.verisign.com/tss-ca.crl0
• http://crl.verisign.com/pca3.crl0
• https://www.verisign.com/cps0

Embedded domains

• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com
• schemas.microsoft.com
• crl.thawte.com
• ts-aia.ws.symantec.com
• ts-crl.ws.symantec.com
• www.verisign.com
• csc3-2010-crl.verisign.com
• csc3-2010-aia.verisign.com
• logo.verisign.com
• crl.verisign.com
• hl2rcv.adobe.com

File paths

• F:\Office\Target\x86\ship\postc2r\x-none\wordconv.pdb
• C:\re\jdk7u45\229\build\windows-amd64\tmp\sun\launcher\kinit\obj64\kinit.pdb
• d:\dbs\el\oc\target\x86\ship\postc2r\x-none\onenotem.pdb
• X:\:`:d:h:l:p:t:x:
• X:\:t:
• T:\:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report