General

  • Target

    91180f943fef39f7177bbd1c1d8cf225fe93c0264dee172ebc7c96e69592373f

  • Size

    4.2MB

  • Sample

    241123-k1badaskhv

  • MD5

    b759516b5ee0d73ed0870c1be43fb479

  • SHA1

    34533e5ca737f48d55c73ba5cb939f39089c04c2

  • SHA256

    91180f943fef39f7177bbd1c1d8cf225fe93c0264dee172ebc7c96e69592373f

  • SHA512

    e911a8ca629d58942da1b2f8a85552b7f65814e071fb3105049e61eeef75fe4b545adbd95e01d58510b48f2abe83a630d438c8ea95abfd0e1866de330f27bc26

  • SSDEEP

    98304:KyomaMWEVLamDLaUw+Z1R0pfhNmVoTkj9AblQFHtN:KQQEJhDLPw20p3e1NT

Malware Config

Targets

    • Target

      91180f943fef39f7177bbd1c1d8cf225fe93c0264dee172ebc7c96e69592373f

    • Size

      4.2MB

    • MD5

      b759516b5ee0d73ed0870c1be43fb479

    • SHA1

      34533e5ca737f48d55c73ba5cb939f39089c04c2

    • SHA256

      91180f943fef39f7177bbd1c1d8cf225fe93c0264dee172ebc7c96e69592373f

    • SHA512

      e911a8ca629d58942da1b2f8a85552b7f65814e071fb3105049e61eeef75fe4b545adbd95e01d58510b48f2abe83a630d438c8ea95abfd0e1866de330f27bc26

    • SSDEEP

      98304:KyomaMWEVLamDLaUw+Z1R0pfhNmVoTkj9AblQFHtN:KQQEJhDLPw20p3e1NT

    • CryptBot

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

    • Cryptbot family

    • Detects CryptBot payload

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

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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