Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 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 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 43 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:4060
    • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2020
      • 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:4000
      • 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:1664
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4576
      • 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:3472
      • C:\Users\Admin\AppData\Roaming\Client.exe
        "C:\Users\Admin\AppData\Roaming\Client.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:804
        • C:\Users\Admin\AppData\Roaming\Client.exe
          C:\Users\Admin\AppData\Roaming\Client.exe
          4⤵
            PID:4256
    • 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:4436
      • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4068
        • 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:2284
        • 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:1932
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Delete /tn NYAN /F
          3⤵
          • System Location Discovery: System Language Discovery
          PID:504
        • 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:4336
    • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
      1⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe
        2⤵
          PID:4000

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\d0458d9fbe73ca1aa592edb5efc17c7f_JaffaCakes118.exe.log

        Filesize

        224B

        MD5

        c19eb8c8e7a40e6b987f9d2ee952996e

        SHA1

        6fc3049855bc9100643e162511673c6df0f28bfb

        SHA256

        677e9e30350df17e2bc20fa9f7d730e9f7cc6e870d6520a345f5f7dc5b31f58a

        SHA512

        860713b4a787c2189ed12a47d4b68b60ac00c7a253cae52dd4eb9276dacafeae3a81906b6d0742c8ecfdfaa255777c445beb7c2a532f3c677a9903237ac97596

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

        Filesize

        145KB

        MD5

        d0458d9fbe73ca1aa592edb5efc17c7f

        SHA1

        9e141e603d8beb468d996b77a28410816b47baf8

        SHA256

        2900578658bbb8349305983ac9a5ca487a8f4f928d202a3dfc639b80c165727e

        SHA512

        a75e3959d699e98cccbced31fc039eec3499168495b697600375e392b95add27c65a0275e3925d140cf04c1b3cd167db85b996a358f6614a9e7b8c5d4f1242fc

      • memory/2020-27-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-51-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-29-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-38-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-37-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-20-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-21-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-22-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-23-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-24-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-25-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-26-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-30-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-14-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2020-36-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-28-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-31-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-32-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-33-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-34-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2020-35-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4060-16-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4060-19-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4060-18-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4060-2-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4060-1-0x00000000749F0000-0x0000000074FA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4060-0-0x00000000749F2000-0x00000000749F3000-memory.dmp

        Filesize

        4KB