Resubmissions

03-08-2024 17:27

240803-v1gghazelp 10

02-08-2024 21:54

240802-1sdzassajk 10

General

  • Target

    sever.exe

  • Size

    203KB

  • Sample

    240803-v1gghazelp

  • MD5

    d8158104745439bf75e071b4305b14cf

  • SHA1

    24ad4d25061233c6266ac6c8dfe14e9120ff37e8

  • SHA256

    3c4e4bfa14ccb528331fafd98accf22ca640b3d251f45859c4427df56614bcf2

  • SHA512

    b0072a56bb7a4bbdcfb7a93e14732a49cf726a5b51240f1f612d056c9e06c00b53f776ec31c63ca0e2d1ac868beba1eed4035bd5a119f7acc773b54de7fd98b9

  • SSDEEP

    3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIHSQYusdrK6ymbcYmRriGNnD:MLV6Bta6dtJmakIM51ax0cYgrimD

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

178.208.235.89:54984

Mutex

4659416a-3b2e-4a7e-8caf-804e24014049

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    178.208.235.89

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-05-14T23:35:49.432258936Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    Default

  • 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

    4659416a-3b2e-4a7e-8caf-804e24014049

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

  • 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

      sever.exe

    • Size

      203KB

    • MD5

      d8158104745439bf75e071b4305b14cf

    • SHA1

      24ad4d25061233c6266ac6c8dfe14e9120ff37e8

    • SHA256

      3c4e4bfa14ccb528331fafd98accf22ca640b3d251f45859c4427df56614bcf2

    • SHA512

      b0072a56bb7a4bbdcfb7a93e14732a49cf726a5b51240f1f612d056c9e06c00b53f776ec31c63ca0e2d1ac868beba1eed4035bd5a119f7acc773b54de7fd98b9

    • SSDEEP

      3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIHSQYusdrK6ymbcYmRriGNnD:MLV6Bta6dtJmakIM51ax0cYgrimD

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Tasks