Extracted

• • Target

    Thunder Free.exe

  • Size

    3.2MB

  • MD5

    eca98d2c56e4f340d9cf6571ba359f5a

  • SHA1

    a93442327357e844ea68274554dc0052d93b0862

  • SHA256

    b3846b72c3635aad8929d4908bc5bb131ffea57f41879f00a68b3c1207eaa1f3

  • SHA512

    afbf97d2d203405f0e850116f4eeb662a476df770c6517f3a4aece62550483941ce48d50d590239647e292d01ed91e9445c85f21f6d234e645dbf8e59b62669a

  • SSDEEP

    49152:eXdV944HnLTdse8o3zN+RLn36PSAwdxgn1GDaeRbTj2bAuSfSPyI:eNTrTdn8ojURji/8+2bj20pfuy

  Score

  10^/10

  crimsonratdarkcometdiscoveryevasionpersistencerattrojandefense_evasionphishingprivilege_escalation

  • CrimsonRAT main payload

  • CrimsonRat

    Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    ratcrimsonrat

  • Crimsonrat family

    crimsonrat

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    trojanratdarkcomet

  • Darkcomet family

    darkcomet

  • Modifies WinLogon for persistence

    persistence

  • Downloads MZ/PE file

  • Sets file to hidden

    Modifies file attributes to stop it showing in Explorer etc.

    evasion

  • Sets service image path in registry

    persistence

  • A potential corporate email address has been identified in the URL: [email protected]

    phishing

  • Checks computer location settings

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

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation

  • Executes dropped EXE

  • Loads dropped DLL

  • Adds Run key to start application

    persistence

  • Drops desktop.ini file(s)

  • 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

  • Drops file in System32 directory

  behavioral1behavioral2