Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 01:21

General

  • Target

    JaffaCakes118_61cd32c0115bbe2155b047d97ead0770.exe

  • Size

    126KB

  • MD5

    61cd32c0115bbe2155b047d97ead0770

  • SHA1

    f05447cfd938a837de67cfe843555696dbfdf96a

  • SHA256

    f171a94241d09383c5c3d8f0393fb4f9ef7aeefa05ea3ebabae60566be7ebb1d

  • SHA512

    f7da835e65906d406b6e64f85e9405c9843978c31baa46f618d95321a35f4e36c68128769145c3859b9d78c13f073b4a4536fd62a31dc892a201496f756268ce

  • SSDEEP

    1536:975CPkj8KhG29jn4geWklluiIPOuaxrgJeu4a6I:3CcjbA29UXuDt4N

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

maaher1.no-ip.biz:5552

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61cd32c0115bbe2155b047d97ead0770.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61cd32c0115bbe2155b047d97ead0770.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    126KB

    MD5

    61cd32c0115bbe2155b047d97ead0770

    SHA1

    f05447cfd938a837de67cfe843555696dbfdf96a

    SHA256

    f171a94241d09383c5c3d8f0393fb4f9ef7aeefa05ea3ebabae60566be7ebb1d

    SHA512

    f7da835e65906d406b6e64f85e9405c9843978c31baa46f618d95321a35f4e36c68128769145c3859b9d78c13f073b4a4536fd62a31dc892a201496f756268ce

  • memory/1916-11-0x0000000074990000-0x0000000074F3B000-memory.dmp

    Filesize

    5.7MB

  • memory/1916-13-0x0000000074990000-0x0000000074F3B000-memory.dmp

    Filesize

    5.7MB

  • memory/1916-12-0x0000000074990000-0x0000000074F3B000-memory.dmp

    Filesize

    5.7MB

  • memory/1916-14-0x0000000074990000-0x0000000074F3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2076-0-0x0000000074991000-0x0000000074992000-memory.dmp

    Filesize

    4KB

  • memory/2076-1-0x0000000074990000-0x0000000074F3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2076-3-0x0000000074990000-0x0000000074F3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2076-10-0x0000000074990000-0x0000000074F3B000-memory.dmp

    Filesize

    5.7MB