General

  • Target

    c6092b1788722f82280d3dca79784556df6b8203f4d8f271c327582dd9dcf6e1.vbs

  • Size

    2.3MB

  • Sample

    240829-clwzjazgpq

  • MD5

    1033c6b6d28d44c062806cf7d594e6f2

  • SHA1

    74c6a8a092c267399e87e91abb7be13df725b046

  • SHA256

    c6092b1788722f82280d3dca79784556df6b8203f4d8f271c327582dd9dcf6e1

  • SHA512

    2b8e1421f95b631843cdfdd1c6419f43a12dd523eef53bc513b889a685655d313cfde7db5169cf3d662b638ec032644e1c9b4c7a1c2e9a6b285545052b6673b0

  • SSDEEP

    24576:bD/qEBZa71HU8t5t1brARP+rHHSjIPwSVs5fEEkhTb+jUTjs0oi6vXkkQW+pUFX8:vqyMTtMDjIYSi5MTCY3s0o2kQWCXKBo

Malware Config

Extracted

Family

xworm

Version

5.0

C2

reserved2021whsjsr.mywire.org:7100

Mutex

TDATvs0wpMfRfMfE

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

nanocore

Version

1.2.2.0

C2

builderlloulirabaonline23rd.mywire.org:7077

127.0.0.1:7077

Mutex

5a71ca6b-558e-46f1-b51d-f5c300aa04cd

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-05-20T07:18:37.133361836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    7077

  • default_group

    D-Online23rd

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    5a71ca6b-558e-46f1-b51d-f5c300aa04cd

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    builderlloulirabaonline23rd.mywire.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      c6092b1788722f82280d3dca79784556df6b8203f4d8f271c327582dd9dcf6e1.vbs

    • Size

      2.3MB

    • MD5

      1033c6b6d28d44c062806cf7d594e6f2

    • SHA1

      74c6a8a092c267399e87e91abb7be13df725b046

    • SHA256

      c6092b1788722f82280d3dca79784556df6b8203f4d8f271c327582dd9dcf6e1

    • SHA512

      2b8e1421f95b631843cdfdd1c6419f43a12dd523eef53bc513b889a685655d313cfde7db5169cf3d662b638ec032644e1c9b4c7a1c2e9a6b285545052b6673b0

    • SSDEEP

      24576:bD/qEBZa71HU8t5t1brARP+rHHSjIPwSVs5fEEkhTb+jUTjs0oi6vXkkQW+pUFX8:vqyMTtMDjIYSi5MTCY3s0o2kQWCXKBo

    • Detect Xworm Payload

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks