MALICIOUS — 79f40d5da131e3f60b43b4dbf6e0eab9ba1313714c54b3e288fff4923feef2ca
MALICIOUS — 79f40d5da131e3f60b43b4dbf6e0eab9ba1313714c54b3e288fff4923feef2ca is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Wacatac family. 6 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
79f40d5da131e3f60b43b4dbf6e0eab9ba1313714c54b3e288fff4923feef2ca - SHA-1:
6f793ffe3828558f6e17b725a21d0c9e60e03ad1 - MD5:
9678e0fa1b667e9d8a733d46664018b1 - imphash:
31996ef85deb54b1229fd67465453a82 - ssdeep:
49152:TM84pW35DMnCIjtAyToJdXN0BMOwLloBrugGDzx:wfJ55aJdXN0B7+s4DF - TLSH:
T1225C094C132E3541D4FDAB503A90492C255EDCA620B97E0BDAC3A86F9EF7663102717B - Submitted as: 79f40d5da131e3f60b43b4dbf6e0eab9ba1313714c54b3e288fff4923feef2ca
- File type: pe · Size: 2395828 bytes
- Verdict: malicious (99/100) · Family: Wacatac
Detections (6 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Trojan.Generic-9862772-0
- 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 9 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Generic-9862772-0 (rule
Win.Trojan.Generic-9862772-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 3 finding(s), e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory signal, weight 0.55, confidence 0.85 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 25 external host(s) at runtime (16 HTTP) - network 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: 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
Dynamic analysis (windows)
25 behavior events · 0 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
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://schemas.microsoft.com/SMI/2005/WindowsSettings
- 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
- crl.microsoft.com
- www.microsoft.com
- schemas.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
- 6.0.1.0
- 11.0.07.79
- 20.184.175.23
- 57.154.63.210
- 4.230.171.124
- 20.247.184.197
- 74.178.240.61
- 20.165.94.54
- 51.132.193.105
- 20.76.201.171
- 52.123.129.14
- 52.123.128.14
- 40.99.133.242
- 40.84.97.4
- 40.84.85.40
- 48.211.4.16
- 203.26.79.13
- 172.178.240.163
- 48.199.12.1
- 172.215.188.225
- 72.154.7.112
- 135.233.95.80
- 172.172.255.217
- 52.148.114.188
- 52.110.12.20
File paths
- T:\:d:l:t:
- X:\:`:d:h:l:p:t:x:
- P:\:d:
- F:\Office\Target\x86\ship\postc2r\x-none\clview.pdb
- D:\:`:x:
- X:\:x:
- X:\:`:d:h:l:p:t:
- X:\:l:p:
- H:\:d:l:
- T:\:h:
- F:\Office\Target\x86\ship\postc2r\x-none\msosqm.pdb
More Wacatac samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report