General

  • Target

    a8750b5975e3f52c9285f811e9fe22cf19cc9b097fd96ee945623965c613a385

  • Size

    5.4MB

  • Sample

    250211-nx6tnaxmey

  • MD5

    7bee3a8f387bbbc84ab90a8a92be6dc6

  • SHA1

    d93b5a47af4094bb8d900a8a6feb89bcbf38c118

  • SHA256

    a8750b5975e3f52c9285f811e9fe22cf19cc9b097fd96ee945623965c613a385

  • SHA512

    95cbe2ed9005342fa1caf3a192f636fd9c8ef64df8f7baaeb09a701c209ef139da90e61a1fd24efef0c4d078706a8acdc082ac7b3f5c138ca5341d6b829846af

  • SSDEEP

    98304:ZsskiQvHYE7PyrHXIJ1zqRfm0zWPReVl23hIJyNm4/acqTsg:wiyYaH1q9z6eVlPJygsg

Malware Config

Extracted

Family

cryptbot

C2

http://home.elvnpp11sb.top/PbeokZpPUOamImAhVrmG11

Targets

    • Target

      a8750b5975e3f52c9285f811e9fe22cf19cc9b097fd96ee945623965c613a385

    • Size

      5.4MB

    • MD5

      7bee3a8f387bbbc84ab90a8a92be6dc6

    • SHA1

      d93b5a47af4094bb8d900a8a6feb89bcbf38c118

    • SHA256

      a8750b5975e3f52c9285f811e9fe22cf19cc9b097fd96ee945623965c613a385

    • SHA512

      95cbe2ed9005342fa1caf3a192f636fd9c8ef64df8f7baaeb09a701c209ef139da90e61a1fd24efef0c4d078706a8acdc082ac7b3f5c138ca5341d6b829846af

    • SSDEEP

      98304:ZsskiQvHYE7PyrHXIJ1zqRfm0zWPReVl23hIJyNm4/acqTsg:wiyYaH1q9z6eVlPJygsg

    • 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