General

  • Target

    tt.exe

  • Size

    580KB

  • Sample

    240525-zx219aah77

  • MD5

    2e7532cdc61138393bae66c151b7d6da

  • SHA1

    f14d7efb1cdc79c7de7f1e1fee6f142ca5025372

  • SHA256

    784b0c7ff69ad51139cf4eab636eeb2b1f1473fa0a65b33769001c4ef2c82cfa

  • SHA512

    560e31dad4b36d5a21491ca9bc2b1a951ffccdf6f4ee60f45e1c87119e66e074633ad7e35cf387238762c0b6deea6afba977f382a0487876a47dcd9ff21f3e69

  • SSDEEP

    12288:MIHKg1YeCE3LMjed9fXOZKQkU4yv7sRaAODHVrB/lDH8:Mi1YeCFjed9fOZqtyvHAODdB9DH

Malware Config

Extracted

Family

xworm

Mutex

سPيIXNtJمrCWpكxـاطMWEلD21LcبإA

Attributes
  • Install_directory

    %Port%

  • install_file

    USB.exe

aes.plain

Targets

    • Target

      tt.exe

    • Size

      580KB

    • MD5

      2e7532cdc61138393bae66c151b7d6da

    • SHA1

      f14d7efb1cdc79c7de7f1e1fee6f142ca5025372

    • SHA256

      784b0c7ff69ad51139cf4eab636eeb2b1f1473fa0a65b33769001c4ef2c82cfa

    • SHA512

      560e31dad4b36d5a21491ca9bc2b1a951ffccdf6f4ee60f45e1c87119e66e074633ad7e35cf387238762c0b6deea6afba977f382a0487876a47dcd9ff21f3e69

    • SSDEEP

      12288:MIHKg1YeCE3LMjed9fXOZKQkU4yv7sRaAODHVrB/lDH8:Mi1YeCFjed9fOZqtyvHAODdB9DH

    • Detect Xworm Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks