General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241115-ek72hsyeph

  • MD5

    995c33eff87589a1a63d9e2db9c272fe

  • SHA1

    08c4094e4b7c48799932592f0a3ec1f511fcc790

  • SHA256

    badda0322150a67e7bff91296f2db23ef819ebbc1e69e201cf9c16384d693408

  • SHA512

    75d0404d4fe9b3f8489be8e7e89ba8b44034cd8c6aa3b3c9f073e0a02d57daf2cdf60821c7f26a3948e3ec647dadce25d5d2d6549d92f7f38d346ea48eb94ff5

  • SSDEEP

    98304:CPyEt13KStR/J1z4m+cz2/cJjZEXbIRu2sk:C6Ev35XD+UnebeP

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      995c33eff87589a1a63d9e2db9c272fe

    • SHA1

      08c4094e4b7c48799932592f0a3ec1f511fcc790

    • SHA256

      badda0322150a67e7bff91296f2db23ef819ebbc1e69e201cf9c16384d693408

    • SHA512

      75d0404d4fe9b3f8489be8e7e89ba8b44034cd8c6aa3b3c9f073e0a02d57daf2cdf60821c7f26a3948e3ec647dadce25d5d2d6549d92f7f38d346ea48eb94ff5

    • SSDEEP

      98304:CPyEt13KStR/J1z4m+cz2/cJjZEXbIRu2sk:C6Ev35XD+UnebeP

    • 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