Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 05:24

General

  • Target

    83272ae366111201b532f0c5f22a6fe7_JaffaCakes118.exe

  • Size

    29KB

  • MD5

    83272ae366111201b532f0c5f22a6fe7

  • SHA1

    7bf1f65586685bea1e0398c582968082728ade0e

  • SHA256

    dacab3f01eaf2e8c59256124dc47ab03d472a46739918f707f752d9c8d473c1e

  • SHA512

    5de81da902a88ce424684dbe6564c280378165b0399f17c40cf939298c7708d840a0a06dbfb08ea19c94529fd326e1e542f50acb81aebb3643271d80c3de94bc

  • SSDEEP

    768:67JEWe4PVzdmBRbqELeuBKh0p29SgROu:67JbhmBRblrKhG29jOu

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Control

C2

id7oomz.ddns.net:1177

Mutex

07db318145681dc5e0cbb8c76a1a4fa9

Attributes
  • reg_key

    07db318145681dc5e0cbb8c76a1a4fa9

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83272ae366111201b532f0c5f22a6fe7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\83272ae366111201b532f0c5f22a6fe7_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe
      "C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe" "Windows Defender.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe

    Filesize

    29KB

    MD5

    83272ae366111201b532f0c5f22a6fe7

    SHA1

    7bf1f65586685bea1e0398c582968082728ade0e

    SHA256

    dacab3f01eaf2e8c59256124dc47ab03d472a46739918f707f752d9c8d473c1e

    SHA512

    5de81da902a88ce424684dbe6564c280378165b0399f17c40cf939298c7708d840a0a06dbfb08ea19c94529fd326e1e542f50acb81aebb3643271d80c3de94bc

  • memory/2348-0-0x0000000074BB1000-0x0000000074BB2000-memory.dmp

    Filesize

    4KB

  • memory/2348-1-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-2-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-10-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2516-11-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2516-13-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2516-14-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB