MALICIOUS — caca3e40018f925f103ef821157e4e51880f2bfe5353b79b589f5702d5a182ca
MALICIOUS — caca3e40018f925f103ef821157e4e51880f2bfe5353b79b589f5702d5a182ca is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Filerepmalware family. 6 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
caca3e40018f925f103ef821157e4e51880f2bfe5353b79b589f5702d5a182ca - SHA-1:
1870a7dcca6b0e55e8b951f43b70b6b9d1250116 - MD5:
1cb31eabaf1c3a02b622c7c8b78dde5d - imphash:
4d8d0261016c5c05b880950a5b0e704a - ssdeep:
49152:Rqlj4oJdXN0BMOwLloBrugz2RAR5FeA6w:YJdXN0B7+sj - TLSH:
T1835AAFCC5517B602D6B6FB686C1C2E8C9022B0D9387B378CA743D97E85D3933A5A4079 - Submitted as: caca3e40018f925f103ef821157e4e51880f2bfe5353b79b589f5702d5a182ca
- File type: pe · Size: 2072947 bytes
- Verdict: malicious (100/100) · Family: Filerepmalware
Detections (6 of 56 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Filerepmalware-9886071-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
- YARA: Yara-Rules community: YR_AntiDebug_Checks
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 100/100 is the fusion of 12 weighted signals:
- ClamAV (daily) flagged Win.Malware.Filerepmalware-9886071-0 (rule
Win.Malware.Filerepmalware-9886071-0) - 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 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 3 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 - YARA: MalwareAnalyser built-in flagged Windows_Injection_Api_Combo (rule
Windows_Injection_Api_Combo) - engine signal, weight 0.35, confidence 0.70 - capa (capabilities) flagged capability:collection/keylog (rule
capability:collection/keylog) - 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 0.30, 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 - inject code into another process (rule
inject code into another process) - capa signal, weight 0.12, confidence 0.60
Dynamic analysis (windows)
0 behavior events · 0 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- www.bing.com
- assets.msn.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- www.msftconnecttest.com/connecttest.txt
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- 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
- 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#
Embedded domains
- schemas.microsoft.com
- crl.microsoft.com
- www.microsoft.com
- office.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
Embedded IP addresses
- 11.0.07.79
- 20.42.73.27
- 52.230.59.222
- 52.123.252.238
- 4.230.171.124
- 52.110.12.50
- 52.110.12.40
- 162.159.142.9
File paths
- F:\Office\Target\x86\ship\postc2r\x-none\setlang.pdb
- C:\btvsts\3481\private\softgrid\shared\include\command_line_cleaner.hpp
- T:\:d:l:t:
- X:\:`:d:h:l:p:t:x:
- T:\:h:
- X:\:x:
- X:\:`:d:h:l:p:t:
- X:\:l:p:
- H:\:d:l:
More Filerepmalware samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report