Analysis

  • max time kernel
    149s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 08:11

General

  • Target

    466ba796060b3ad9149c36468ddb74e0_NeikiAnalytics.exe

  • Size

    281KB

  • MD5

    466ba796060b3ad9149c36468ddb74e0

  • SHA1

    162e295382b582a297c3864748125bf42e9a43f3

  • SHA256

    e3805d671a90bbf845d63056b881f20abcfb8b57acb6c6eeab06810a78550c41

  • SHA512

    1de27dc6fd5ce447bb854f75d345ca74b45ca0012739ef878167f7d3503fdfe14b539d96c6abe5e7866b7427d72c1c36bdf994e90c1f229870f953834d4a2590

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfd:boSeGUA5YZazpXUmZhZ6Sg

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2020-04-24T17:41:53.492468936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    45400

  • 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

    ae82ab7f-db07-49ee-9d2b-76075d76f37f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    sysupdate24.ddns.net

  • primary_dns_server

  • 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

Signatures

  • NanoCore

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\466ba796060b3ad9149c36468ddb74e0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\466ba796060b3ad9149c36468ddb74e0_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
      "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1324

Network

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

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    Filesize

    281KB

    MD5

    92cd14316ca97a48e0a2dedf19fad77d

    SHA1

    099557d06fb0209662ff7ba1f635a0b668c145bd

    SHA256

    e708fd8926374c86e60c1f6e60ebcb51bd2e413963dae5c1f97f484b624960b9

    SHA512

    64102d11e8a288973dc857232cdc18723c1673747e2fa04f3c130e611c1081dc01bfa798ab1a86c46ae2dfa1cdb7281bde73c01f22eb6bc0691610d435170544

  • memory/952-18-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/952-1-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/952-2-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/952-3-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/952-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp
    Filesize

    4KB

  • memory/1324-26-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/1324-23-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1324-22-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1324-21-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1324-28-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/1324-32-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/1324-33-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/3376-19-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/3376-20-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/3376-17-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/3376-29-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB

  • memory/3376-31-0x0000000074CD0000-0x0000000075281000-memory.dmp
    Filesize

    5.7MB