General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241125-jjtvqawmbs

  • MD5

    88d3b1255894e7039c67b2272b3386df

  • SHA1

    84fd4519dbb0270ca681451ca7092b8e803677bf

  • SHA256

    ec85e681b765cf685363a2aa3a5b8a86837d0d8923d2ecba7b35e67d74b29265

  • SHA512

    c6f51d6ca7e9002a4a7806d347f91b3a17d70926a9d34971a07a40fe2121593469ae8388c47f0c2abbc9f3e29329f39b01ca7a07fd5b55c2d86260d4f4d514ac

  • SSDEEP

    98304:6xzN1ubGXKM4lbptXERRspQND8nRM6keUQSuq11aN4ch:m/atLtmKQNDA+6keUcuc

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      88d3b1255894e7039c67b2272b3386df

    • SHA1

      84fd4519dbb0270ca681451ca7092b8e803677bf

    • SHA256

      ec85e681b765cf685363a2aa3a5b8a86837d0d8923d2ecba7b35e67d74b29265

    • SHA512

      c6f51d6ca7e9002a4a7806d347f91b3a17d70926a9d34971a07a40fe2121593469ae8388c47f0c2abbc9f3e29329f39b01ca7a07fd5b55c2d86260d4f4d514ac

    • SSDEEP

      98304:6xzN1ubGXKM4lbptXERRspQND8nRM6keUQSuq11aN4ch:m/atLtmKQNDA+6keUcuc

    • 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