General

  • Target

    XClient.exe

  • Size

    42KB

  • Sample

    240710-jpw72axepb

  • MD5

    6da0e4f23e02c67b4f5f45e7369070a9

  • SHA1

    b197cf861336bdde76f43d39c8bd2a1d5907d6da

  • SHA256

    f0d5909dae19e6f2283ccd44ff55cfc5e493c7edba9086ff0f31e082c40828da

  • SHA512

    25c2ddc7f5215e20cfe15288b9bec1036df81f3bf95f3df09393356b1ccbfef442fb4e6cb90d4008cdd7e3c42127babfdeb0e64f96c1b2965712aff36bea7c4c

  • SSDEEP

    768:SIANdbPlCBC/gRFKoerXT+2n4KXAIZFEPh9/eOChKk2BYLfgJ:RAHxngb0rTTXFFw9/eOCPQ+6

Malware Config

Extracted

Family

xworm

Version

3.1

C2

127.0.0.1:1

Mutex

3S3MtWrqfnXGxzOF

Attributes
  • Install_directory

    %AppData%

  • install_file

    file.exe

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      42KB

    • MD5

      6da0e4f23e02c67b4f5f45e7369070a9

    • SHA1

      b197cf861336bdde76f43d39c8bd2a1d5907d6da

    • SHA256

      f0d5909dae19e6f2283ccd44ff55cfc5e493c7edba9086ff0f31e082c40828da

    • SHA512

      25c2ddc7f5215e20cfe15288b9bec1036df81f3bf95f3df09393356b1ccbfef442fb4e6cb90d4008cdd7e3c42127babfdeb0e64f96c1b2965712aff36bea7c4c

    • SSDEEP

      768:SIANdbPlCBC/gRFKoerXT+2n4KXAIZFEPh9/eOChKk2BYLfgJ:RAHxngb0rTTXFFw9/eOCPQ+6

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks