General

  • Target
    J-A20260727022544.zip
  • Size 4.4MB
  • Sample260727-k1dqhack5x
  • SHA256 ee0ef34a4402dea54ec8b4e0557de9605a038a4f2b82380f2978296fd60f9791
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      J-A20260727022544.zip
    • Size 4.4MB
    • SHA256 ee0ef34a4402dea54ec8b4e0557de9605a038a4f2b82380f2978296fd60f9791
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: valleyrat

    • Windows_Trojan_Winos_464b8a2e

    • https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • 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

    • Target
      PdFcOrE8.DlL
    • Size 5.5MB
    • SHA256 d265fcf18b14b98e55aa9fffd6b64b39de84304a1796854e72eef35bc6dca2c6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Vat.No.20260727022528.EXE
    • Size 3.5MB
    • SHA256 3a0583f7d3f41e1c2c36fa585ad620a518ab6661767f2e9683023745b6f58c4c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: valleyrat

    • Windows_Trojan_Winos_464b8a2e

    • https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

    • Enumerates connected drives

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

    • 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

MITRE ATT&CK Enterprise v16

Tasks