Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 19:39

General

  • Target

    12dcdaea2069f7b55448e6355d94cceb31e76b6efb49a16aa34f655ffcbbc13b.exe

  • Size

    118KB

  • MD5

    be2a2733f807f6df147448012488c911

  • SHA1

    63a6203231aa71ac313439779dce73fbcd74a7ef

  • SHA256

    12dcdaea2069f7b55448e6355d94cceb31e76b6efb49a16aa34f655ffcbbc13b

  • SHA512

    9ab8fda7da6ca286c7a869d8aa938758ccd462d6a4362a448a18da3322f0b7f5eaae6506b797bd7d40895864301225b63703122cbb0d03e661f159fd4ccf2f82

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL2rKZ:P5eznsjsguGDFqGZ2rDL2OZ

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

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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.

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12dcdaea2069f7b55448e6355d94cceb31e76b6efb49a16aa34f655ffcbbc13b.exe
    "C:\Users\Admin\AppData\Local\Temp\12dcdaea2069f7b55448e6355d94cceb31e76b6efb49a16aa34f655ffcbbc13b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4844
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3044
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:3992
  • 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=4120,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4036 /prefetch:8
    1⤵
      PID:3680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

      Filesize

      400B

      MD5

      0a9b4592cd49c3c21f6767c2dabda92f

      SHA1

      f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

      SHA256

      c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

      SHA512

      6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

      Filesize

      118KB

      MD5

      4b7980440ff49a9465293e76861cc135

      SHA1

      970db9f666fa339dabe0cdab7889d0da037c7041

      SHA256

      167be104799d9101512e7d03bd91dc601d6f803077622ff47af218aabafd143f

      SHA512

      f07b42a42698650d61893c631a3e0d326a3f573f416868cfbe2e94c87ecbdf47ffb8a56ea0f4ec5ba75927ffbf26eddcaebf3a5dd7db29d3d2edfb0a86ee2b19

    • memory/2400-1-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-2-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-6-0x00000000752B2000-0x00000000752B3000-memory.dmp

      Filesize

      4KB

    • memory/2400-7-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-19-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-0-0x00000000752B2000-0x00000000752B3000-memory.dmp

      Filesize

      4KB

    • memory/3044-27-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/3044-30-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/3044-29-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/3044-23-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4844-21-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/4844-28-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/4844-22-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/4844-20-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB