General

  • Target

    fdb84298836a2682cf6ed805bc8852de_JaffaCakes118

  • Size

    706KB

  • Sample

    240420-1nkahsbd4z

  • MD5

    fdb84298836a2682cf6ed805bc8852de

  • SHA1

    c0024979815687a93ff689f7df62a0bcbb06aa4a

  • SHA256

    1504763b84e950b66d6cad0d999137471b87f4a1cbedb28b9e0107ffd247d4dd

  • SHA512

    3fa5cb84ee453a2f54357818f7f7a9c0aaa2749531e5f1f0b2cc4ac7a91406e8c1d177d6778045dd6f935888d4285d6633c74d97a893f7c109cfd1885d9a7643

  • SSDEEP

    12288:a8t5vy4E/psIgdXAl6stPWF236ISuNeGJifJiQgK5nmhc8Vi:a8t5q4E/pDgdm6stPWSp3NSBiQ6nVi

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

discoveryvipshinjiru2law.ooguy.com:56648

Mutex

3fe77eab-32ab-4bb1-8b02-0ebd7c384dad

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-06-05T12:45:57.022320836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    56648

  • default_group

    Shinjiru RDP 5

  • 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

    3fe77eab-32ab-4bb1-8b02-0ebd7c384dad

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    discoveryvipshinjiru2law.ooguy.com

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      fdb84298836a2682cf6ed805bc8852de_JaffaCakes118

    • Size

      706KB

    • MD5

      fdb84298836a2682cf6ed805bc8852de

    • SHA1

      c0024979815687a93ff689f7df62a0bcbb06aa4a

    • SHA256

      1504763b84e950b66d6cad0d999137471b87f4a1cbedb28b9e0107ffd247d4dd

    • SHA512

      3fa5cb84ee453a2f54357818f7f7a9c0aaa2749531e5f1f0b2cc4ac7a91406e8c1d177d6778045dd6f935888d4285d6633c74d97a893f7c109cfd1885d9a7643

    • SSDEEP

      12288:a8t5vy4E/psIgdXAl6stPWF236ISuNeGJifJiQgK5nmhc8Vi:a8t5q4E/pDgdm6stPWSp3NSBiQ6nVi

    • NanoCore

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks