General

  • Target

    b2784bbe213a75389177773a1e0932c0e70721d3e61f94fc64767ec146442cc2

  • Size

    3.8MB

  • Sample

    220311-12934aeghk

  • MD5

    a746174d2d98f16338ecbf24d6891364

  • SHA1

    a2fdd1fa75b3119057596606fa214f7c9939f250

  • SHA256

    b2784bbe213a75389177773a1e0932c0e70721d3e61f94fc64767ec146442cc2

  • SHA512

    f52044c3fd9e92c0694212f3427145e91579d3d737c5f5fc3d4bda32e99a1e206b03eaa7613fca22c7214f3f5c5ee5bf980847945c636f0643a5d94573281bb5

Malware Config

Extracted

Family

darkcomet

Botnet

Opfer

C2

panzaknacka.hopto.org:1337

Mutex

DC_MUTEX-ENLYG18

Attributes
  • InstallPath

    MSDCSC\sysdate.exe

  • gencode

    9uX0u38l6Y1n

  • install

    true

  • offline_keylogger

    true

  • password

    l0rn

  • persistence

    false

  • reg_key

    sysdate.exe

Targets

    • Target

      b2784bbe213a75389177773a1e0932c0e70721d3e61f94fc64767ec146442cc2

    • Size

      3.8MB

    • MD5

      a746174d2d98f16338ecbf24d6891364

    • SHA1

      a2fdd1fa75b3119057596606fa214f7c9939f250

    • SHA256

      b2784bbe213a75389177773a1e0932c0e70721d3e61f94fc64767ec146442cc2

    • SHA512

      f52044c3fd9e92c0694212f3427145e91579d3d737c5f5fc3d4bda32e99a1e206b03eaa7613fca22c7214f3f5c5ee5bf980847945c636f0643a5d94573281bb5

    • Darkcomet

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

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    • ISR Stealer Payload

    • Modifies WinLogon for persistence

    • suricata: ET MALWARE ISRStealer Checkin

      suricata: ET MALWARE ISRStealer Checkin

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks