General

  • Target

    4c88ff06e9f5d8aaf6b642eb809dd2ff.exe

  • Size

    4.3MB

  • Sample

    241227-jm5fmatjby

  • MD5

    4c88ff06e9f5d8aaf6b642eb809dd2ff

  • SHA1

    08af05a701deb7cb5863567cf8a63bfce814c07d

  • SHA256

    8fa7158a6212803480850dec0236641a4a249216778d0cef9a1d82738566af98

  • SHA512

    3709f76fc1f8c25c705e9325f914f5ae7b87d35b3136c28c3cc427eceba946d47a353baa0d8cc4a0c85eb61e37ffad4c478704cf437dc0b3adaa912793dcc581

  • SSDEEP

    98304:luk8dUe4UmUcvXT/aCnlXt2csbEqkpe6aYp2reuju193f:lR8dUem9vuCnfRvqweXr0Hf

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      4c88ff06e9f5d8aaf6b642eb809dd2ff.exe

    • Size

      4.3MB

    • MD5

      4c88ff06e9f5d8aaf6b642eb809dd2ff

    • SHA1

      08af05a701deb7cb5863567cf8a63bfce814c07d

    • SHA256

      8fa7158a6212803480850dec0236641a4a249216778d0cef9a1d82738566af98

    • SHA512

      3709f76fc1f8c25c705e9325f914f5ae7b87d35b3136c28c3cc427eceba946d47a353baa0d8cc4a0c85eb61e37ffad4c478704cf437dc0b3adaa912793dcc581

    • SSDEEP

      98304:luk8dUe4UmUcvXT/aCnlXt2csbEqkpe6aYp2reuju193f:lR8dUem9vuCnfRvqweXr0Hf

    • CryptBot

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

    • Cryptbot family

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks