General

  • Target

    3a844cec6076901b623b1354dad68a7e_JaffaCakes118

  • Size

    728KB

  • Sample

    240512-rg9gdsch77

  • MD5

    3a844cec6076901b623b1354dad68a7e

  • SHA1

    47c79404bc4d4b1ae7be6bbdf8fcb1e9df27ff43

  • SHA256

    772814528f5d70b28f79e3865317a8ded4ea597d59966a7ba6cd854bc69fe9f3

  • SHA512

    33df66525df0df52788a0b596de6116a66a2845ca33a008172c9f3b8dbf15318ffa05ffab2aa3957c803001e34752c92deb6c40510b0acb624483aae7f594f38

  • SSDEEP

    12288:mpww/Geu9yZV9fE3RebnlKViwA1Gn/Pe7x7PdKoE9jp2vmMjPgJEtW:PweL96tKIOsPIP

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

162.194.17.151:5540

Mutex

88e68db8-f6fe-4a32-a87f-c4e07a150453

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    162.194.17.151

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2017-07-05T20:15:45.478507836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    3994

  • connection_port

    5540

  • default_group

    recent

  • 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

    88e68db8-f6fe-4a32-a87f-c4e07a150453

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    162.194.17.151

  • 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

      3a844cec6076901b623b1354dad68a7e_JaffaCakes118

    • Size

      728KB

    • MD5

      3a844cec6076901b623b1354dad68a7e

    • SHA1

      47c79404bc4d4b1ae7be6bbdf8fcb1e9df27ff43

    • SHA256

      772814528f5d70b28f79e3865317a8ded4ea597d59966a7ba6cd854bc69fe9f3

    • SHA512

      33df66525df0df52788a0b596de6116a66a2845ca33a008172c9f3b8dbf15318ffa05ffab2aa3957c803001e34752c92deb6c40510b0acb624483aae7f594f38

    • SSDEEP

      12288:mpww/Geu9yZV9fE3RebnlKViwA1Gn/Pe7x7PdKoE9jp2vmMjPgJEtW:PweL96tKIOsPIP

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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