Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 09:33

General

  • Target

    JaffaCakes118_5b30e1abda6519224400a3130ec4a6d9.exe

  • Size

    351KB

  • MD5

    5b30e1abda6519224400a3130ec4a6d9

  • SHA1

    da3e38bccae55d990367c0fca23168c51d701a5b

  • SHA256

    653905714967697a317969fb085044c2ba054fb4f975133ac788ffa1b31fba10

  • SHA512

    828ccfd11b91f73f43fc6fcaa325c2bdfe5cfeae7820a3d1717a4342968fc43d0844b01975700a57ba6d048915c48e80c18347c43a1d93844c6d04df3893d921

  • SSDEEP

    6144:Lafar3yuIwet2afLtA59zDAyu938Vt4oz1H5svXtko9f6U:LaCb/KVLa5CyuCH4SG/i06U

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

mohammed

C2

127.0.0.1:1172

Mutex

e1de216f4ec1f885bb08ae5a1e62495b

Attributes
  • reg_key

    e1de216f4ec1f885bb08ae5a1e62495b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 4 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 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b30e1abda6519224400a3130ec4a6d9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b30e1abda6519224400a3130ec4a6d9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b30e1abda6519224400a3130ec4a6d9.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b30e1abda6519224400a3130ec4a6d9.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b30e1abda6519224400a3130ec4a6d9.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b30e1abda6519224400a3130ec4a6d9.exe"
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Users\Admin\AppData\Local\Temp\feqd.exe
          "C:\Users\Admin\AppData\Local\Temp\feqd.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5040
          • C:\Users\Admin\AppData\Local\Temp\feqd.exe
            "C:\Users\Admin\AppData\Local\Temp\feqd.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1436
            • C:\Users\Admin\AppData\Local\Temp\feqd.exe
              "C:\Users\Admin\AppData\Local\Temp\feqd.exe"
              6⤵
              • Drops startup file
              • 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:4712
              • C:\Windows\SysWOW64\netsh.exe
                netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\feqd.exe" "feqd.exe" ENABLE
                7⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                • System Location Discovery: System Language Discovery
                PID:2344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\JaffaCakes118_5b30e1abda6519224400a3130ec4a6d9.exe.log

    Filesize

    312B

    MD5

    6dba4702b346903da02f7dd9e839a128

    SHA1

    d69f255866f30a87c9eca8312d425c47059bf15e

    SHA256

    29d145faac0201870c39b9119894f78694a776e03fc8f79349bdf92e56a65bcd

    SHA512

    33afef187e806838717238881aaaf41272f8b484fcfe97a85057fd43a7eeb119df813d6023d2ee770aa22a067f7e9d532dd1c30b512f9c48b76f838615863e1d

  • C:\Users\Admin\AppData\Local\Temp\feqd.exe

    Filesize

    351KB

    MD5

    5b30e1abda6519224400a3130ec4a6d9

    SHA1

    da3e38bccae55d990367c0fca23168c51d701a5b

    SHA256

    653905714967697a317969fb085044c2ba054fb4f975133ac788ffa1b31fba10

    SHA512

    828ccfd11b91f73f43fc6fcaa325c2bdfe5cfeae7820a3d1717a4342968fc43d0844b01975700a57ba6d048915c48e80c18347c43a1d93844c6d04df3893d921

  • memory/2408-10-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-3-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2408-5-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-9-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/4132-13-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/4132-11-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/4132-14-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/4132-6-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4132-22-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-2-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

    Filesize

    4KB

  • memory/4496-7-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-1-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/5040-24-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/5040-28-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/5040-23-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB