General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241122-29n19sxqcl

  • MD5

    4c6bba984af9160dde6f2e0dd0e0bc79

  • SHA1

    f640dbc263db012465255670a489800705aea14c

  • SHA256

    d95e7aa0b2f5b8cc914cd095b0695377f7d73fda2b9571bed2cc55ac30e6cc89

  • SHA512

    1093c8650a8b1465cae21a1f7dc31a2603f1f57aeb09af7105a0dbb256eb4eefa3ffa27a937716f4dec1b38f67e44209d348dcd93a6827ad12dc8f23dad6f2f5

  • SSDEEP

    98304:OTeKRxXJdVkd8Mq1HBavhJ+XT9mdRW1g/ZoyUxl+agn3K:ORXXVkGMhhUjUWxy+Hd

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      4c6bba984af9160dde6f2e0dd0e0bc79

    • SHA1

      f640dbc263db012465255670a489800705aea14c

    • SHA256

      d95e7aa0b2f5b8cc914cd095b0695377f7d73fda2b9571bed2cc55ac30e6cc89

    • SHA512

      1093c8650a8b1465cae21a1f7dc31a2603f1f57aeb09af7105a0dbb256eb4eefa3ffa27a937716f4dec1b38f67e44209d348dcd93a6827ad12dc8f23dad6f2f5

    • SSDEEP

      98304:OTeKRxXJdVkd8Mq1HBavhJ+XT9mdRW1g/ZoyUxl+agn3K:ORXXVkGMhhUjUWxy+Hd

    • 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