Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 07:51

General

  • Target

    4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe

  • Size

    719KB

  • MD5

    c1a3337afb27ed2646b79091729251f0

  • SHA1

    88c7254022e28dba23685f6c31cda79eb133c7fe

  • SHA256

    4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f

  • SHA512

    3cf3d3d02e214f91c336769070aabe35cced9e932c76f0ef50b41f9998d4b6b6b62f4c5bcff3cf5e2f31b5020d0656b9ea07e0c8a99d4be9e4bd173b0ed29929

  • SSDEEP

    12288:eJ80FdJWXadx2rlbXgp7yTVwjPScS2MsfJ3ZFs2Rc:eJ8+MKd8dXfTuVSz8Vlc

Malware Config

Extracted

Family

darkcomet

Botnet

bloodyvictim

C2

gehtdichnixan.no-ip.org:21

Mutex

DC_MUTEX-M48G38K

Attributes
  • InstallPath

    Antivirus Smart.exe

  • gencode

    uc6fEUW70PuU

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Antivir Update 7.0.3.9

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Users\Admin\AppData\Local\Temp\4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe
      C:\Users\Admin\AppData\Local\Temp\4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Users\Admin\AppData\Local\Temp\ANTIVIRUS.EXE
        "C:\Users\Admin\AppData\Local\Temp\ANTIVIRUS.EXE"
        3⤵
        • Executes dropped EXE
        PID:1108
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Deletes itself
        PID:4732
      • C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe
        "C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe
          "C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe"
          4⤵
          • Modifies security service
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:3864
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1288,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4276 /prefetch:8
    1⤵
      PID:2408

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Defense Evasion

    Modify Registry

    4
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe
      Filesize

      719KB

      MD5

      c1a3337afb27ed2646b79091729251f0

      SHA1

      88c7254022e28dba23685f6c31cda79eb133c7fe

      SHA256

      4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f

      SHA512

      3cf3d3d02e214f91c336769070aabe35cced9e932c76f0ef50b41f9998d4b6b6b62f4c5bcff3cf5e2f31b5020d0656b9ea07e0c8a99d4be9e4bd173b0ed29929

    • C:\Users\Admin\AppData\Local\Temp\ANTIVIRUS.EXE
      Filesize

      135KB

      MD5

      1a466dcfc0c3a5c9ecc3201612db5d6f

      SHA1

      e09d7fadee425b417d18cb422a4af3855df0263b

      SHA256

      044e4366d0340747a3ea3b3e4edf0e37f4c61e6fd8b366fee12207e693e923ec

      SHA512

      a51bbdf80b9ced7c71ba34901b97eee1d5142d3c2037fc67ea1253415ec62d7339e859acb320a57b04a2ba90ff802ef3e82fee46ff192ceba810d1b447142cca

    • memory/1108-27-0x0000000072B30000-0x00000000732E0000-memory.dmp
      Filesize

      7.7MB

    • memory/1108-47-0x0000000072B3E000-0x0000000072B3F000-memory.dmp
      Filesize

      4KB

    • memory/1108-48-0x0000000072B30000-0x00000000732E0000-memory.dmp
      Filesize

      7.7MB

    • memory/1108-25-0x00000000051B0000-0x00000000051BA000-memory.dmp
      Filesize

      40KB

    • memory/1108-26-0x0000000005310000-0x0000000005366000-memory.dmp
      Filesize

      344KB

    • memory/1108-20-0x0000000072B3E000-0x0000000072B3F000-memory.dmp
      Filesize

      4KB

    • memory/1108-21-0x0000000000700000-0x000000000072A000-memory.dmp
      Filesize

      168KB

    • memory/1108-22-0x00000000050C0000-0x000000000515C000-memory.dmp
      Filesize

      624KB

    • memory/1108-23-0x0000000005780000-0x0000000005D24000-memory.dmp
      Filesize

      5.6MB

    • memory/1108-24-0x0000000005270000-0x0000000005302000-memory.dmp
      Filesize

      584KB

    • memory/2532-4-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/2532-3-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/2532-6-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/2532-5-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/2532-34-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/2532-1-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-41-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-57-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-40-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-44-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-43-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-46-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-61-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-60-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-49-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-50-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-51-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-52-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-53-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-54-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-55-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-56-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-42-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-58-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/3864-59-0x0000000000400000-0x00000000004DC000-memory.dmp
      Filesize

      880KB

    • memory/4484-0-0x0000000000650000-0x0000000000654000-memory.dmp
      Filesize

      16KB

    • memory/4732-28-0x0000000001060000-0x0000000001061000-memory.dmp
      Filesize

      4KB