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Analysis

  • max time kernel
    139s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    07/12/2024, 02:40

General

  • Target

    d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe

  • Size

    145KB

  • MD5

    d0458d9fbe73ca1aa592edb5efc17c7f

  • SHA1

    9e141e603d8beb468d996b77a28410816b47baf8

  • SHA256

    2900578658bbb8349305983ac9a5ca487a8f4f928d202a3dfc639b80c165727e

  • SHA512

    a75e3959d699e98cccbced31fc039eec3499168495b697600375e392b95add27c65a0275e3925d140cf04c1b3cd167db85b996a358f6614a9e7b8c5d4f1242fc

  • SSDEEP

    3072:R2+b4i7mTwrJKJsrqUDWu9CXtl/wLY9ePBmGniAOLZzhOUBL:R2Y4E8wr4ip9CXnh0cdnl1v

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

Lime

C2

127.0.0.1:1528

Mutex

Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    AZERTY

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 19 IoCs

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

  • Kills process with taskkill 6 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:828
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2320
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2792
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:336
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1384
      • C:\Users\Admin\AppData\Roaming\Client.exe
        "C:\Users\Admin\AppData\Roaming\Client.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Users\Admin\AppData\Roaming\Client.exe
          C:\Users\Admin\AppData\Roaming\Client.exe
          4⤵
            PID:1728
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {A39899D0-027D-4285-8165-087ED7F8ABBD} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
          C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2128
          • C:\Windows\SysWOW64\TASKKILL.exe
            TASKKILL /F /IM wscript.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3056
          • C:\Windows\SysWOW64\TASKKILL.exe
            TASKKILL /F /IM cmd.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2172
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Delete /tn NYAN /F
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2064
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe" /sc minute /mo 1
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1676
      • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1408
        • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
          C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3008
          • C:\Windows\SysWOW64\TASKKILL.exe
            TASKKILL /F /IM wscript.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2668
          • C:\Windows\SysWOW64\TASKKILL.exe
            TASKKILL /F /IM cmd.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1548
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Delete /tn NYAN /F
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2696
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe" /sc minute /mo 1
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Client.exe

      Filesize

      145KB

      MD5

      d0458d9fbe73ca1aa592edb5efc17c7f

      SHA1

      9e141e603d8beb468d996b77a28410816b47baf8

      SHA256

      2900578658bbb8349305983ac9a5ca487a8f4f928d202a3dfc639b80c165727e

      SHA512

      a75e3959d699e98cccbced31fc039eec3499168495b697600375e392b95add27c65a0275e3925d140cf04c1b3cd167db85b996a358f6614a9e7b8c5d4f1242fc

    • memory/828-24-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-40-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-19-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/828-17-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/828-14-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/828-49-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-41-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-22-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-23-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-27-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-26-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-25-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-39-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-28-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/828-29-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/2128-68-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/2128-69-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/2884-0-0x0000000074311000-0x0000000074312000-memory.dmp

      Filesize

      4KB

    • memory/2884-2-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/2884-20-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/2884-1-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/2884-21-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB