Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 00:45

General

  • Target

    ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe

  • Size

    55KB

  • MD5

    ea473bd1e6f91a020a89b25695d8ba35

  • SHA1

    92a56a271532038532d7091830e3f9f7a8a871be

  • SHA256

    d264f3aa382f23e1b0bf3176f54a8f1b977b7daf482af3f8d384dc7d1b8db27e

  • SHA512

    96f2cc0a73bd041d0f6a5f48d6e88407e7c8832835bb437378031d701672d4a0edce41f648b1aa4ed34f67190a66aaf3f53e5552de853b83d65e4d38028ff541

  • SSDEEP

    1536:RKgzkS8p1G/NsOCMuvrEFWyC4hGW53K1G/NsOCMuvrEFWyC4hGW:RKgzkS8qC7yxwW53vC7yxwW

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

23f0e3bce589df29a3e6f3e8879b41c1

Attributes
  • reg_key

    23f0e3bce589df29a3e6f3e8879b41c1

  • splitter

    |'|'|

Signatures

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ea473bd1e6f91a020a89b25695d8ba35_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    ea473bd1e6f91a020a89b25695d8ba35

    SHA1

    92a56a271532038532d7091830e3f9f7a8a871be

    SHA256

    d264f3aa382f23e1b0bf3176f54a8f1b977b7daf482af3f8d384dc7d1b8db27e

    SHA512

    96f2cc0a73bd041d0f6a5f48d6e88407e7c8832835bb437378031d701672d4a0edce41f648b1aa4ed34f67190a66aaf3f53e5552de853b83d65e4d38028ff541

  • memory/2220-13-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-14-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-12-0x0000000001040000-0x0000000001054000-memory.dmp

    Filesize

    80KB

  • memory/2220-15-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-16-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2644-1-0x00000000001E0000-0x00000000001F4000-memory.dmp

    Filesize

    80KB

  • memory/2644-2-0x0000000000240000-0x000000000024C000-memory.dmp

    Filesize

    48KB

  • memory/2644-3-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-11-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB