MALICIOUS — 73e34f0c1324b14ca1b48dd7e9706bb8669343d16bdc32a63756fdc3f6312869
MALICIOUS — 73e34f0c1324b14ca1b48dd7e9706bb8669343d16bdc32a63756fdc3f6312869 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Bulz family. 6 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
73e34f0c1324b14ca1b48dd7e9706bb8669343d16bdc32a63756fdc3f6312869 - SHA-1:
2ee4bdde9e1d7daaa3ddc2ac53efd4bf601f684c - MD5:
a0e42da2116f4c6413659f55d09ef86d - imphash:
962ded2e727f180e5b6d49d6a8ebc365 - ssdeep:
49152:KLfUloJdXN0BMOwLloBrug1hKPgssSt2gTBMO+YrovpU/9L:GJdXN0B7+sPhv7St0Ogy - TLSH:
T16B5E6C8C961ABB01D57ADB6958245B5C7035F0D53A7E32AC1F02CBBE8193C37E8A1079 - Submitted as: 73e34f0c1324b14ca1b48dd7e9706bb8669343d16bdc32a63756fdc3f6312869
- File type: pe · Size: 2917892 bytes
- Verdict: malicious (98/100) · Family: Bulz
Detections (6 of 52 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Bulz-9871427-0
- YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- LIEF (executable format parser): lief:invalid-authenticode
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Malware.Bulz-9871427-0 (rule
Win.Malware.Bulz-9871427-0) - engine signal, weight 0.90, confidence 0.95 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule
DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.35, confidence 0.70 - 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_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 - 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 - enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, 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://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
- http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
- http://www.microsoft.com/windows0
- 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
- crl.microsoft.com
- www.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
- armmf.adobe.com
- www.adobe.com
- office.microsoft.com
- officeredir.microsoft.com
Embedded IP addresses
- 1.7.2.0
- 11.0.07.79
File paths
- 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:
- f:\CB\ARM_Sustaining\BuildResults\bin\Win32\Release\AdobeARM.pdb
- R:\:m:{:
- D:\:q:
- T:\:d:l:x:
- d:\dbs\el\oc\target\x86\ship\postc2r\x-none\selfcert.pdb
- V:\:b:h:n:t:z:
- P:\:d:
More Bulz samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report