Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 22:35

General

  • Target

    e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    e89734cb5f03a7205150c1dd2b63f482

  • SHA1

    e13bcecf89bd561fa0dee793c7768e7d905997b4

  • SHA256

    da6f282bda21ae7d7672b12038088c5683f4b6c05f651bb8bcce0e50330cd7f0

  • SHA512

    a43373f0d5ef35317f9ccbd4b5a3269c2fa4ae2247f509e148fe73fd8a0a6a36111b2286bd76553d63696878761a863c536f3b48d8e934953bd9f96a7c39d75c

  • SSDEEP

    24576:9Lf44W9ESiWy9EFFTZdXTZdHXTZdXTZzyQHqVE008sWVmiXMf7OM4pWC7FdT59Dl:uiSTZdXTZdHXTZdXTZzyQKVE0zmDI

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

62.227.124.106:5552

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\Stub,.exe
      "C:\Users\Admin\AppData\Local\Temp\Stub,.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2092
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 488
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2884
    • C:\Users\Admin\AppData\Local\Temp\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e89734cb5f03a7205150c1dd2b63f482_JaffaCakes118.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Users\Admin\AppData\Local\Temp\Payload.exe
        "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2512
        • C:\Users\Admin\AppData\Local\Temp\Payload.exe
          "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
          4⤵
          • Executes dropped EXE
          PID:2880
        • C:\Users\Admin\AppData\Local\Temp\Payload.exe
          "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
          4⤵
          • Executes dropped EXE
          PID:2500
        • C:\Users\Admin\AppData\Local\Temp\Payload.exe
          "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
          4⤵
          • Executes dropped EXE
          PID:668
        • C:\Users\Admin\AppData\Local\Temp\Payload.exe
          "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
          4⤵
          • Executes dropped EXE
          PID:1996
        • C:\Users\Admin\AppData\Local\Temp\Payload.exe
          "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
          4⤵
          • Executes dropped EXE
          PID:1104
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Stub,.exe

    Filesize

    669KB

    MD5

    5e2c1a42cd6d66b10f49371a712a554c

    SHA1

    a29e99551f4bd77aafaf24ab07144426a6324d38

    SHA256

    9e3619a9774f78d06757bd69784863fd9eceecfccc847c9de0f6783568864749

    SHA512

    1dc0ce574427f5b5abc80225601c4fa3b6486e9609c95ae08c304efd4c52354c2e122fce47c52688a9e8052a79e0370103343ba9f1fcf1a063bdada274bde0ea

  • \Users\Admin\AppData\Local\Temp\Payload.exe

    Filesize

    1.3MB

    MD5

    e89734cb5f03a7205150c1dd2b63f482

    SHA1

    e13bcecf89bd561fa0dee793c7768e7d905997b4

    SHA256

    da6f282bda21ae7d7672b12038088c5683f4b6c05f651bb8bcce0e50330cd7f0

    SHA512

    a43373f0d5ef35317f9ccbd4b5a3269c2fa4ae2247f509e148fe73fd8a0a6a36111b2286bd76553d63696878761a863c536f3b48d8e934953bd9f96a7c39d75c

  • memory/2092-23-0x000000006ECE2000-0x000000006ECE4000-memory.dmp

    Filesize

    8KB

  • memory/2092-28-0x000000006ECE0000-0x000000006F28B000-memory.dmp

    Filesize

    5.7MB

  • memory/2092-26-0x000000006ECE0000-0x000000006F28B000-memory.dmp

    Filesize

    5.7MB

  • memory/2092-22-0x0000000000340000-0x0000000000380000-memory.dmp

    Filesize

    256KB

  • memory/2272-1-0x00000000008A0000-0x00000000009FC000-memory.dmp

    Filesize

    1.4MB

  • memory/2272-9-0x0000000001F90000-0x0000000001FA8000-memory.dmp

    Filesize

    96KB

  • memory/2272-0-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/2272-21-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2512-36-0x0000000000380000-0x00000000004DC000-memory.dmp

    Filesize

    1.4MB

  • memory/2896-10-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2896-11-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2896-12-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2896-13-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2896-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2896-16-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2896-18-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2896-20-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB