Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 17:19

General

  • Target

    84e19fdbbf684408ba2eeb96d01f1219_JaffaCakes118.exe

  • Size

    28KB

  • MD5

    84e19fdbbf684408ba2eeb96d01f1219

  • SHA1

    e8ef86328b4fc6de391fdebe69931546bcb29adb

  • SHA256

    312b0eb7bfb4618339d424ce828b4956c50bab132732f0813897e476f9a33014

  • SHA512

    5b79f2c7a9c3e4ead5eb03cfd52c96c40fc4822465093571bab1d2028cc20dfdbca04f6ce47277cfe629723f08fc8022f0daacda41e5b1c125e3499c3b5db6ab

  • SSDEEP

    384:VqYOGDuwIKY2f8BCgUF8BROwnA5WIBUJ6aIfgLZmpVk3O8TcdZcDMwScUievXeH0:Vsvw/Y2f8m8Tn9JjmAeQcPNwSfU7Wm

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Dark

C2

ZGFyazEx*jIz*zQ0YTViNTZkNy5kZG5zLm5ldA!!:1177

Mutex

d30e81b53079ab01f7442a2f86c7357d

Attributes
  • reg_key

    d30e81b53079ab01f7442a2f86c7357d

  • 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84e19fdbbf684408ba2eeb96d01f1219_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\84e19fdbbf684408ba2eeb96d01f1219_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Roaming\chrome.exe
      "C:\Users\Admin\AppData\Roaming\chrome.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\chrome.exe" "chrome.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    28KB

    MD5

    84e19fdbbf684408ba2eeb96d01f1219

    SHA1

    e8ef86328b4fc6de391fdebe69931546bcb29adb

    SHA256

    312b0eb7bfb4618339d424ce828b4956c50bab132732f0813897e476f9a33014

    SHA512

    5b79f2c7a9c3e4ead5eb03cfd52c96c40fc4822465093571bab1d2028cc20dfdbca04f6ce47277cfe629723f08fc8022f0daacda41e5b1c125e3499c3b5db6ab

  • memory/2316-10-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2316-12-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2316-14-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2316-15-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2848-0-0x00000000748E1000-0x00000000748E2000-memory.dmp

    Filesize

    4KB

  • memory/2848-1-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2848-2-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2848-11-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB