General

  • Target

    63664023b7d97149d0fc324513987feac3fe98de9796d1702f44ae2c68f6b29e

  • Size

    4.3MB

  • Sample

    220625-fxjecshgc2

  • MD5

    2589e3d75de5f9311889d103431dfc54

  • SHA1

    f80edb57bc5bfb8a96f9a6505cee837eaf495a33

  • SHA256

    63664023b7d97149d0fc324513987feac3fe98de9796d1702f44ae2c68f6b29e

  • SHA512

    380e56d9503fe97771beb0ec4ba7faec9cfb3eefceaf5962120268130f2e6d210a7e21f80daef234e762febe3a3321c3e5490ba1f4afb4e1ab43314c96b5ec4d

Malware Config

Targets

    • Target

      63664023b7d97149d0fc324513987feac3fe98de9796d1702f44ae2c68f6b29e

    • Size

      4.3MB

    • MD5

      2589e3d75de5f9311889d103431dfc54

    • SHA1

      f80edb57bc5bfb8a96f9a6505cee837eaf495a33

    • SHA256

      63664023b7d97149d0fc324513987feac3fe98de9796d1702f44ae2c68f6b29e

    • SHA512

      380e56d9503fe97771beb0ec4ba7faec9cfb3eefceaf5962120268130f2e6d210a7e21f80daef234e762febe3a3321c3e5490ba1f4afb4e1ab43314c96b5ec4d

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

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

    • Blocklisted process makes network request

    • Executes dropped EXE

    • 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.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks