Analysis

  • max time kernel
    153s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 16:01

General

  • Target

    272807e29879a6d16fd18eed2e7ff7ea.exe

  • Size

    114KB

  • MD5

    272807e29879a6d16fd18eed2e7ff7ea

  • SHA1

    79dbc3bc456688a5eb6e11443d2e756c069a74fd

  • SHA256

    f1ee6a26a415669c195bb842fad2d0330776d9e8544a406ba60837c5f5d45e2d

  • SHA512

    5767ad38c4a8dbe79bb979acdc7f0c0ae87f708a1b6dc8099c2a38592ab7dea031e35b5fd467e48262510b93d3af96e130a3f83622b53c1611218e4f0d35e365

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuML:P5eznsjsguGDFqGZ2rL

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\272807e29879a6d16fd18eed2e7ff7ea.exe
    "C:\Users\Admin\AppData\Local\Temp\272807e29879a6d16fd18eed2e7ff7ea.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:4764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 80
          4⤵
          • Program crash
          PID:796
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4768
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:4436
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4764 -ip 4764
    1⤵
      PID:3488
    • 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 --mojo-platform-channel-handle=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4116

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

        Filesize

        114KB

        MD5

        f0cf43422b9db8db5a06c35787d0d13a

        SHA1

        31f60e21a218a4d03d10efc96efcac78a7e2ed19

        SHA256

        f9ad5fe78a9d4c0dd659531381b88684802e2700566432e3615b076454b6a6a5

        SHA512

        33379935446431942ae366ce674f71de9c293d644df8aa9059fa9ecdd2f085de59b4d3821403013dbf2732626fd2772e3e3613e503891378b67892e2a871b249

      • memory/1712-20-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/1712-1-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/1712-2-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/1712-17-0x0000000075502000-0x0000000075503000-memory.dmp

        Filesize

        4KB

      • memory/1712-18-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/1712-0-0x0000000075502000-0x0000000075503000-memory.dmp

        Filesize

        4KB

      • memory/2608-21-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/2608-19-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/2608-22-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/2608-29-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/4768-23-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/4768-28-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/4768-30-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/4768-31-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB

      • memory/4768-32-0x0000000075500000-0x0000000075AB1000-memory.dmp

        Filesize

        5.7MB