General

  • Target

    PROOF OF PAYMENT.exe

  • Size

    1.1MB

  • Sample

    210121-tgmlkazxe2

  • MD5

    dcf168394ef0a6d6774b099dd8493b75

  • SHA1

    565c77fa9f7f22229ff5aabad52f6f9e0c5fbce0

  • SHA256

    373e294fccf1cbc447469aeb6fc86678efbfd072b5035a295d1fc74ce6e9fd79

  • SHA512

    6f19bd8c1ce255848fc9e60b92b758ac960c81e3cb4c3c7bc5e520de5b03cfc0a2244891150b50ecc179fc35a9d7f9477e567bdd275b32b4873fe640dafe7ac9

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:3190

Mutex

c3f2ffac-72ce-4a70-9d04-4f6a62cc4c81

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    amechi.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-02T13:48:01.329593636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3190

  • default_group

    OJO 202111111111

  • 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

    c3f2ffac-72ce-4a70-9d04-4f6a62cc4c81

  • 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

      PROOF OF PAYMENT.exe

    • Size

      1.1MB

    • MD5

      dcf168394ef0a6d6774b099dd8493b75

    • SHA1

      565c77fa9f7f22229ff5aabad52f6f9e0c5fbce0

    • SHA256

      373e294fccf1cbc447469aeb6fc86678efbfd072b5035a295d1fc74ce6e9fd79

    • SHA512

      6f19bd8c1ce255848fc9e60b92b758ac960c81e3cb4c3c7bc5e520de5b03cfc0a2244891150b50ecc179fc35a9d7f9477e567bdd275b32b4873fe640dafe7ac9

    • NanoCore

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • 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

System Information Discovery

2
T1082

Tasks