General

  • Target

    c24ce3306cb3ca0ed0b5ac7893aed9ec0cd69feed5a11dc421132428ca7b4205

  • Size

    349KB

  • Sample

    220521-cmmr9ahber

  • MD5

    14f01de4f85f4822316fad7ea425cc9a

  • SHA1

    0fd0097385c1ebaee73589c209675d1ea5ca5c8f

  • SHA256

    c24ce3306cb3ca0ed0b5ac7893aed9ec0cd69feed5a11dc421132428ca7b4205

  • SHA512

    4933ab8bcee5eae43c5fd1172af99d2bdb52ce8328dd5b69600a6cd65a0a2be62874095882cb9d5d6f8e17c09aef8b2230219600d7c8c99b9c8dde17a704d9e6

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ome2j3bw.3utilities.com:1907

Mutex

bec896f1-592b-47d9-b6d7-441c6093682d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    ome2j3bw.3utilities.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-13T02:35:20.505000936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    3997

  • connection_port

    1907

  • default_group

    Default

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    29997

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    bec896f1-592b-47d9-b6d7-441c6093682d

  • mutex_timeout

    4995

  • prevent_system_sleep

    false

  • primary_connection_host

    ome2j3bw.3utilities.com

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    4997

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    4934

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      Order & Specification.exe

    • Size

      435KB

    • MD5

      6ed8d16bcfa3fdb721ce6f75100a89fa

    • SHA1

      3a13e7679803db6b5fa4082a10e9981301967f3d

    • SHA256

      953b28fd61cb8eb78e1fca699aead009a12bb5a0a6a8d42b0447cbe2bf828143

    • SHA512

      df4143a936ed0a6d8b9624c981c1a1e100995c82e1b7f05b0458940aaab2108a4e50504002cf5e69ef7721d241fe75cdb2eea0e9ad7f4103c44f7862d3b1d8c4

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks