Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 14:19

General

  • Target

    2f82f645f08b8671e14d516865be699caaf85d46604c3f89968454067c22d1edN.exe

  • Size

    539KB

  • MD5

    ab6cad09631f7e2dd5df02d0b260a560

  • SHA1

    0f174a5a3f482616e564448db14dfafee4383d26

  • SHA256

    2f82f645f08b8671e14d516865be699caaf85d46604c3f89968454067c22d1ed

  • SHA512

    bae0fb167802cfceb92f36397220360a49178f8971f99db79139012f0137bf2628fbc9939d2486323da1f2dc59b498ba3e254530269aaec21238d44ecb175bd0

  • SSDEEP

    12288:UTzx0YPX/NqPsG/zfovs0x3wHYlBVEfTNjP6:UT2HPsG/zfJ0x3w4lBmRP6

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

185.254.37.137:7788

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f82f645f08b8671e14d516865be699caaf85d46604c3f89968454067c22d1edN.exe
    "C:\Users\Admin\AppData\Local\Temp\2f82f645f08b8671e14d516865be699caaf85d46604c3f89968454067c22d1edN.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hQzxwCqLgmHm.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1200
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hQzxwCqLgmHm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96E6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3380
    • C:\Users\Admin\AppData\Local\Temp\2f82f645f08b8671e14d516865be699caaf85d46604c3f89968454067c22d1edN.exe
      "C:\Users\Admin\AppData\Local\Temp\2f82f645f08b8671e14d516865be699caaf85d46604c3f89968454067c22d1edN.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4976
  • 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 --field-trial-handle=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
    1⤵
      PID:1392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jrfezxxv.y3e.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp96E6.tmp

      Filesize

      1KB

      MD5

      ee32d705296fc7bd5ebe6d204e72da3c

      SHA1

      24a91ca1c350742f05a6f8122a8d7826e7467ed2

      SHA256

      672df4e3876bdfd2606f3a2f0bbf6b74e8867ecc52919bffebd23e637bb6f241

      SHA512

      ef27c4b2f595d97ffcd289846ec127d65c14de5cbe9c3d3ebef71f35f999f6e245747bab0f0295b22b9c3e46f5491804ffa26f06173157f9d4e24cb5c7f2d730

    • memory/1200-57-0x0000000007580000-0x0000000007BFA000-memory.dmp

      Filesize

      6.5MB

    • memory/1200-17-0x0000000002300000-0x0000000002336000-memory.dmp

      Filesize

      216KB

    • memory/1200-26-0x0000000004D00000-0x0000000004D66000-memory.dmp

      Filesize

      408KB

    • memory/1200-68-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/1200-65-0x0000000007250000-0x0000000007258000-memory.dmp

      Filesize

      32KB

    • memory/1200-64-0x0000000007270000-0x000000000728A000-memory.dmp

      Filesize

      104KB

    • memory/1200-63-0x0000000007170000-0x0000000007184000-memory.dmp

      Filesize

      80KB

    • memory/1200-62-0x0000000007160000-0x000000000716E000-memory.dmp

      Filesize

      56KB

    • memory/1200-61-0x0000000007130000-0x0000000007141000-memory.dmp

      Filesize

      68KB

    • memory/1200-60-0x00000000071B0000-0x0000000007246000-memory.dmp

      Filesize

      600KB

    • memory/1200-59-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

      Filesize

      40KB

    • memory/1200-25-0x0000000004B60000-0x0000000004B82000-memory.dmp

      Filesize

      136KB

    • memory/1200-28-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/1200-18-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/1200-58-0x0000000006F30000-0x0000000006F4A000-memory.dmp

      Filesize

      104KB

    • memory/1200-56-0x0000000006C30000-0x0000000006CD3000-memory.dmp

      Filesize

      652KB

    • memory/1200-22-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/1200-55-0x00000000061C0000-0x00000000061DE000-memory.dmp

      Filesize

      120KB

    • memory/1200-27-0x00000000054C0000-0x0000000005526000-memory.dmp

      Filesize

      408KB

    • memory/1200-45-0x0000000070C30000-0x0000000070C7C000-memory.dmp

      Filesize

      304KB

    • memory/1200-19-0x0000000004D90000-0x00000000053B8000-memory.dmp

      Filesize

      6.2MB

    • memory/1200-44-0x0000000006BF0000-0x0000000006C22000-memory.dmp

      Filesize

      200KB

    • memory/1200-43-0x0000000006170000-0x00000000061BC000-memory.dmp

      Filesize

      304KB

    • memory/1200-42-0x0000000005C10000-0x0000000005C2E000-memory.dmp

      Filesize

      120KB

    • memory/4484-9-0x0000000005550000-0x000000000555A000-memory.dmp

      Filesize

      40KB

    • memory/4484-8-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/4484-4-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/4484-3-0x00000000050D0000-0x0000000005162000-memory.dmp

      Filesize

      584KB

    • memory/4484-29-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/4484-5-0x0000000005290000-0x000000000529A000-memory.dmp

      Filesize

      40KB

    • memory/4484-21-0x0000000008A20000-0x0000000008A36000-memory.dmp

      Filesize

      88KB

    • memory/4484-0-0x000000007476E000-0x000000007476F000-memory.dmp

      Filesize

      4KB

    • memory/4484-2-0x0000000005580000-0x0000000005B24000-memory.dmp

      Filesize

      5.6MB

    • memory/4484-15-0x00000000086A0000-0x00000000089F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4484-11-0x0000000006120000-0x00000000061BC000-memory.dmp

      Filesize

      624KB

    • memory/4484-10-0x0000000006030000-0x000000000607E000-memory.dmp

      Filesize

      312KB

    • memory/4484-1-0x0000000000670000-0x00000000006FC000-memory.dmp

      Filesize

      560KB

    • memory/4484-6-0x00000000054C0000-0x00000000054CE000-memory.dmp

      Filesize

      56KB

    • memory/4484-7-0x000000007476E000-0x000000007476F000-memory.dmp

      Filesize

      4KB

    • memory/4976-41-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/4976-23-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4976-69-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB