Resubmissions

20/02/2024, 00:51

240220-a7p21agc7s10

20/02/2024, 00:39

240220-azyzyagg3310

General

  • Target
    AIMr.exe
  • Size 8.7MB
  • Sample240220-azyzyagg33
  • SHA256 754cdfe578fd727a22d985d006913e4f6f89c209fa7d85401449b0f4ecc6179e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      AIMr.exe
    • Size 8.7MB
    • SHA256 754cdfe578fd727a22d985d006913e4f6f89c209fa7d85401449b0f4ecc6179e
    • MD5 SHA1 SHA512 SSDEEP
    • Shurk

      Shurk is an infostealer, written in C++ which appeared in 2021.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

    • Target
      AIMr for exe.pyc
    • Size 8KB
    • SHA256 e2f88358c6d5d884418cf35d2b05878996c6b0989ab1cdda08423d5564c31f93
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks