General

  • Target

    POP.exe

  • Size

    660KB

  • Sample

    240425-lnrl9she29

  • MD5

    46d06b32a50fd0c1a1981695e6504aa5

  • SHA1

    562f1b0f554ab339d851e7c031059d20a1c88af6

  • SHA256

    3796fdf35ca6c4557746dc1de61e477fe9972bc44a2fb23503e302c27fab4335

  • SHA512

    c6ff00d37a3d8f8716df5a67d5f6e16bec0ec1a5ea4625138651ca8bc43ffda9e4ff77c158803d3399aa7543ec88dd37551215f60e159d226ac307cfd6e4cb44

  • SSDEEP

    12288:nYIPXjeFKYoJyZTH5Zx161j9QMRLPfVtc1qHNanyP8POCxU:nYIPGKYokbF01j9b1tcoMyP8POCy

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:4190

Mutex

1e951a16-0899-4a49-9bed-fad9fc6657d1

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    amechi.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-02-05T10:09:03.565293536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4190

  • default_group

    clement

  • 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

    1e951a16-0899-4a49-9bed-fad9fc6657d1

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    amechi.duckdns.org

  • 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

      POP.exe

    • Size

      660KB

    • MD5

      46d06b32a50fd0c1a1981695e6504aa5

    • SHA1

      562f1b0f554ab339d851e7c031059d20a1c88af6

    • SHA256

      3796fdf35ca6c4557746dc1de61e477fe9972bc44a2fb23503e302c27fab4335

    • SHA512

      c6ff00d37a3d8f8716df5a67d5f6e16bec0ec1a5ea4625138651ca8bc43ffda9e4ff77c158803d3399aa7543ec88dd37551215f60e159d226ac307cfd6e4cb44

    • SSDEEP

      12288:nYIPXjeFKYoJyZTH5Zx161j9QMRLPfVtc1qHNanyP8POCxU:nYIPGKYokbF01j9b1tcoMyP8POCy

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks