General

  • Target

    KesSOLundetectedVER.exe

  • Size

    8.1MB

  • Sample

    240928-q5yjcsyfkq

  • MD5

    ce29a3227d6597372144f02d1773b0ca

  • SHA1

    2c57706335f5a30a9c508cfbbb7629522d2e69ce

  • SHA256

    5e09cbe6156ffbe6213aab3457c281edb30e137b70db09fb7d06e5e6e7637406

  • SHA512

    b22dca978ac30b49c4ed5caebd008af6f85b8aa4e759168fddb2b70f0c2f489410fcb3bc42be51aa57fe19d3cbb78549060947abe5d5216ec381e0ad81c1681e

  • SSDEEP

    196608:1g0YC3NvUeeNTfm/pf+xk4dfrl7RptrbWOjgrp:c0Nchy/pWu4NpRptrbvMrp

Malware Config

Targets

    • Target

      KesSOLundetectedVER.exe

    • Size

      8.1MB

    • MD5

      ce29a3227d6597372144f02d1773b0ca

    • SHA1

      2c57706335f5a30a9c508cfbbb7629522d2e69ce

    • SHA256

      5e09cbe6156ffbe6213aab3457c281edb30e137b70db09fb7d06e5e6e7637406

    • SHA512

      b22dca978ac30b49c4ed5caebd008af6f85b8aa4e759168fddb2b70f0c2f489410fcb3bc42be51aa57fe19d3cbb78549060947abe5d5216ec381e0ad81c1681e

    • SSDEEP

      196608:1g0YC3NvUeeNTfm/pf+xk4dfrl7RptrbWOjgrp:c0Nchy/pWu4NpRptrbvMrp

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks