General

  • Target

    47cdb0d722e27e4a42940e9d32cfb8ad37d55f5bfcba833e007014c1a7909dfb

  • Size

    3.7MB

  • Sample

    250212-ydcrkswmfl

  • MD5

    e66a5f604eeb063f2d72bd673300e002

  • SHA1

    2b2569a0efe32964ae5a908fc3b0662d387835f5

  • SHA256

    47cdb0d722e27e4a42940e9d32cfb8ad37d55f5bfcba833e007014c1a7909dfb

  • SHA512

    275fb55c22070a9eaf7220f0cb2a30720ca6f3f4ea7a97915b7af180b7c823d99d6a74a5f48409aeda52ed4e92667d5b595a40cb2f17c6fc00cc7870bec15082

  • SSDEEP

    98304:Zspwe8EpfdMgg3vrdkiDy2q5mIi3kI9KHe/Rz:zEpfOhTLe2q5mV3kE

Malware Config

Extracted

Family

cryptbot

C2

http://home.elvnjj1sr.top/pekvtmslVrBVfMWtJqVA17

Targets

    • Target

      47cdb0d722e27e4a42940e9d32cfb8ad37d55f5bfcba833e007014c1a7909dfb

    • Size

      3.7MB

    • MD5

      e66a5f604eeb063f2d72bd673300e002

    • SHA1

      2b2569a0efe32964ae5a908fc3b0662d387835f5

    • SHA256

      47cdb0d722e27e4a42940e9d32cfb8ad37d55f5bfcba833e007014c1a7909dfb

    • SHA512

      275fb55c22070a9eaf7220f0cb2a30720ca6f3f4ea7a97915b7af180b7c823d99d6a74a5f48409aeda52ed4e92667d5b595a40cb2f17c6fc00cc7870bec15082

    • SSDEEP

      98304:Zspwe8EpfdMgg3vrdkiDy2q5mIi3kI9KHe/Rz:zEpfOhTLe2q5mV3kE

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Enumerates VirtualBox registry keys

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks