MALICIOUS — 831c85492732cbed4b3698dd785c5f1b4c6c3991277fa17bfaa3a128a008b4ad
MALICIOUS — 831c85492732cbed4b3698dd785c5f1b4c6c3991277fa17bfaa3a128a008b4ad is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Filerepmalware family. 6 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
831c85492732cbed4b3698dd785c5f1b4c6c3991277fa17bfaa3a128a008b4ad - SHA-1:
d76790360536cb096231ee820b4204542671768f - MD5:
9a1c91b5acdc170dfc5edd5aea1bd4f2 - imphash:
9e747ee51ad11df670acefcead43be30 - ssdeep:
12288:CiYgNGGENZMkY8pJy6JKpdGyy5bM89FF96X0JxQFFsI0s0udOs:egNGJJNK/Ry5b59FF96X0JxQR0sDOs - TLSH:
T192518C8C421F7702DA76DF601F10AD4C60A2B0DB227A3B48DB87D12F67E3B6B64541A5 - Submitted as: 831c85492732cbed4b3698dd785c5f1b4c6c3991277fa17bfaa3a128a008b4ad
- File type: pe · Size: 859213 bytes
- Verdict: malicious (99/100) · Family: Filerepmalware
Detections (6 of 56 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Filerepmalware-9871423-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- LIEF (executable format parser): lief:invalid-authenticode
- Microsoft Defender: Trojan:Win32/Wacatac.B!ml
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Filerepmalware-9871423-0 (rule
Win.Malware.Filerepmalware-9871423-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/Wacatac.B!ml (rule
Trojan:Win32/Wacatac.B!ml) - engine signal, weight 0.55, confidence 0.85 - 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 5 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 - LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - 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 - Embedded network infrastructure: 6.0.1.0 - static signal, weight 0.35, confidence 0.60
- communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, 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
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- www.bing.com
- th.bing.com
- licensing.mp.microsoft.com
- assets.msn.com
- tas02.sls.update.microsoft.com
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
- 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
- http://www.digicert.com/ssl-cps-repository.htm0
- http://crl3.digicert.com/assured-cs-2011a.crl03
- http://crl4.digicert.com/assured-cs-2011a.crl0
- http://cacerts.digicert.com/DigiCertAssuredIDCodeSigningCA-1.crt0
- 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
- http://office.microsoft.com/0
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- jnlp.tk
- mozilla.org
- 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
- bzip.org
- www.digicert.com
- cacerts.digicert.com
- crl3.digicert.com
- crl4.digicert.com
- schemas.microsoft.com
- crl.microsoft.com
- www.microsoft.com
- office.microsoft.com
Embedded IP addresses
- 6.0.1.0
- 20.50.201.203
- 48.211.4.16
- 20.247.185.124
- 4.247.188.224
- 4.230.171.124
- 135.232.92.137
- 74.179.77.164
- 4.150.223.113
- 104.18.33.89
- 20.42.179.204
- 40.84.85.40
- 52.110.12.11
- 52.110.12.53
File paths
- C:\re\jdk7u45\229\build\windows-amd64\tmp\jp2launcher\obj64\jp2launcher.pdb
- c:\builds\moz2_slave\rel-m-rel-w32_bld-000000000000\build\obj-firefox\toolkit\mozapps\update\updater\updater.pdb
- T:\:d:l:t:
- X:\:`:d:h:l:p:t:x:
- d:\dbs\el\oc\target\x86\ship\postc2r\x-none\clview.pdb
- U:\:
- L:\:l:u:
- X:\:d:l:
- X:\:`:h:l:p:t:x:
- X:\:`:d:
More Filerepmalware samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report