Overview

overview

10

Static

static

3

14080220.exe

windows7-x64

10

14080220.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    bc0078eddf96041937071aa21a514385275768fd1efef78196c73df4efd76b6d_JC.img
  • Size 1.2MB
  • Sample231012-pcn9jsbe85
  • SHA256 bc0078eddf96041937071aa21a514385275768fd1efef78196c73df4efd76b6d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
wshrattrojan

Malware Config

Targets

    • Target
      14080220.EXE
    • Size 12KB
    • SHA256 420a2c200fde9d62bc040616edd62949aec77d6e39bf864602f584792fc8e867
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    wshrattrojan

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

      trojanwshrat

    • WSHRAT payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks