General

  • Target

    8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004

  • Size

    1.3MB

  • Sample

    240912-ksmnfazelh

  • MD5

    ae5e7ba3510eb0929a573c831177443a

  • SHA1

    860292d7189eeab350530e0a214f95d974f9aa4e

  • SHA256

    8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004

  • SHA512

    48d7d30f1192d317750d3203a61d8bfb945d56afe2083d2e13f9fe7dbb3317319182d98b333e8e589fd898deb89fb0b21719dc1f4f48d5409bc2ce8fb9f004fc

  • SSDEEP

    24576:lVuT/FduHyRMRvdyDGXQMBnoWdmq/thsXTXP4QhlkNM4:ju7FsHyR8dyKgOnoWoq/ths8QcN

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

      8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004

    • Size

      1.3MB

    • MD5

      ae5e7ba3510eb0929a573c831177443a

    • SHA1

      860292d7189eeab350530e0a214f95d974f9aa4e

    • SHA256

      8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004

    • SHA512

      48d7d30f1192d317750d3203a61d8bfb945d56afe2083d2e13f9fe7dbb3317319182d98b333e8e589fd898deb89fb0b21719dc1f4f48d5409bc2ce8fb9f004fc

    • SSDEEP

      24576:lVuT/FduHyRMRvdyDGXQMBnoWdmq/thsXTXP4QhlkNM4:ju7FsHyR8dyKgOnoWoq/ths8QcN

    • Detect Xworm Payload

    • NanoCore

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

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks