General

  • Target

    3a666487f340d30db19e2ddd3ea56099_JaffaCakes118

  • Size

    742KB

  • Sample

    240711-xwes8asfnh

  • MD5

    3a666487f340d30db19e2ddd3ea56099

  • SHA1

    8afdb3352b8fc1428657853eb34fc18269928f6d

  • SHA256

    bf9b98d3c7f449c22350739501fd763d47ab3a4e33be82b106ac54b9bd2b7e68

  • SHA512

    15e7525d00db995bc59734cb61dea1fe6f4125ed668e111135a55f879ece2a1dd0af5db63801f6d4f0294cfb192e1b6e7f54fc28d4e590d96f48d83c61e8c3dc

  • SSDEEP

    12288:bp+aRBZi970Hq83hAkJlk1wA8XyonCo+aUwbjpa1BDCROuTngLsIB:19ZhikJKJCx+atpab/WnFW

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

godismyhelperalways.ddns.net:2030

Mutex

08e0afad-4bed-4e7d-8205-2bf2bc84e8fb

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-14T17:48:21.782068136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    2030

  • default_group

    BLESSINGS

  • 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

    08e0afad-4bed-4e7d-8205-2bf2bc84e8fb

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    godismyhelperalways.ddns.net

  • 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

      ILPEA_MRC2021751433030XMY,pdf.exe

    • Size

      680KB

    • MD5

      3efde66cdd917e83801b722b04ad1c20

    • SHA1

      e26af977f80544526851012f80061acd03ff72a6

    • SHA256

      a0aa261b6eca399214785a831f60f317f7fb5795d33fe2a07e330b7aabfc0318

    • SHA512

      2c0030d7e624668f35dd067f9e2029918d42f3c47f2923290628e330d0a68c4de24535415245936f403aafcc1bdc4a127c4700407a55a741c89db2ea285f5e9f

    • SSDEEP

      12288:3p+aRBZi970Hq83hAkJlk1wA8XyonCo+aUwbjpa1BDCROuTngLsIB:Z9ZhikJKJCx+atpab/WnFW

    • 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.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks