Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-05-2024 03:03

General

  • Target

    7b777263642cd694415accdb45b19de6_JaffaCakes118.exe

  • Size

    223KB

  • MD5

    7b777263642cd694415accdb45b19de6

  • SHA1

    157c6b950a34e59a575c943955d4a6347f484b2b

  • SHA256

    23ce7d714e8ccd6fe40a1b10803b587e2cf4dbb61e8ee4624654d7fd2c38bdf7

  • SHA512

    525a71dd76441cb2f25706594217ddff2300fb1c177f821334993c46e041a8ac3416031183f013083397ec270a15e0b98cb28579ed891a003a58321c52e55e6a

  • SSDEEP

    1536:SoqdjhPaj/r8YOQLFCdZt5W8SOMIOGZ+qqeydYNAX5Jo/FRKP6ecRiTn:Od0jjNfgZt5Wpkee/C

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

cb4cb4

C2

cb4cb4.ddns.net:1604

Mutex

2b4311709f49c1773d2dd641126cf3dd

Attributes
  • reg_key

    2b4311709f49c1773d2dd641126cf3dd

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Users\Admin\AppData\Roaming\server.exe
        "C:\Users\Admin\AppData\Roaming\server.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2592
        • C:\Users\Admin\AppData\Roaming\server.exe
          "C:\Users\Admin\AppData\Roaming\server.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2968
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:1728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\server.exe

    Filesize

    223KB

    MD5

    7b777263642cd694415accdb45b19de6

    SHA1

    157c6b950a34e59a575c943955d4a6347f484b2b

    SHA256

    23ce7d714e8ccd6fe40a1b10803b587e2cf4dbb61e8ee4624654d7fd2c38bdf7

    SHA512

    525a71dd76441cb2f25706594217ddff2300fb1c177f821334993c46e041a8ac3416031183f013083397ec270a15e0b98cb28579ed891a003a58321c52e55e6a

  • memory/1148-0-0x00000000742A1000-0x00000000742A2000-memory.dmp

    Filesize

    4KB

  • memory/1148-2-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/1148-1-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/1148-3-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/1148-31-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/1148-27-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/2612-30-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/2612-8-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2612-23-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2612-29-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/2612-19-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2612-26-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2612-11-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2612-28-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/2612-6-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2612-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-14-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2612-4-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2612-39-0x00000000742A0000-0x000000007484B000-memory.dmp

    Filesize

    5.7MB

  • memory/2968-52-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2968-56-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2968-55-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB