Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 19:16

General

  • Target

    JaffaCakes118_6792a39bf671d4072534e4d91648d720.exe

  • Size

    453KB

  • MD5

    6792a39bf671d4072534e4d91648d720

  • SHA1

    7007803aaff4e8de99a49ba0035f7447fa7d6f4c

  • SHA256

    bb60523263102e30304b879b02bac1179e07a2642232049beef4307a587c9a4a

  • SHA512

    03b0fe75629b2806e8521aa5ec50b36429cc955f23df0111e946e1f741b6922764caa25415fa1740c4dbc9d6745a148dca21b5d27ab7625a39d9be1c970fd54e

  • SSDEEP

    6144:hulQI4MikY0QVYf99hSTCciNuAPFvq3G8kH10Fj3cq45B7:cMkY0QcITCci35

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

reeem20102010.ddns.net:8080

Mutex

14d6da4c751dc9c96791754c828d69d3

Attributes
  • reg_key

    14d6da4c751dc9c96791754c828d69d3

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6792a39bf671d4072534e4d91648d720.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6792a39bf671d4072534e4d91648d720.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6792a39bf671d4072534e4d91648d720.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6792a39bf671d4072534e4d91648d720.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2664
        • C:\Users\Admin\AppData\Local\Temp\server.exe
          C:\Users\Admin\AppData\Local\Temp\server.exe
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2604
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    453KB

    MD5

    6792a39bf671d4072534e4d91648d720

    SHA1

    7007803aaff4e8de99a49ba0035f7447fa7d6f4c

    SHA256

    bb60523263102e30304b879b02bac1179e07a2642232049beef4307a587c9a4a

    SHA512

    03b0fe75629b2806e8521aa5ec50b36429cc955f23df0111e946e1f741b6922764caa25415fa1740c4dbc9d6745a148dca21b5d27ab7625a39d9be1c970fd54e

  • memory/2664-31-0x0000000000F40000-0x0000000000FB8000-memory.dmp

    Filesize

    480KB

  • memory/2764-22-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-3-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/2764-20-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

    Filesize

    4KB

  • memory/2764-2-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-1-0x0000000000A60000-0x0000000000AD8000-memory.dmp

    Filesize

    480KB

  • memory/3028-14-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3028-19-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3028-17-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3028-21-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3028-30-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB