Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 08:09

General

  • Target

    JaffaCakes118_6b4961bd714e87ac58bc94057c4729a0.exe

  • Size

    128KB

  • MD5

    6b4961bd714e87ac58bc94057c4729a0

  • SHA1

    0f90067112fe4d6de159bb4170fafc4abf111907

  • SHA256

    707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937

  • SHA512

    45887544f16f59dc6063ed96a7f3e04335120d08b0f7e6f20412e4fa6cbb6bd90b1a230af07508e6195bb381c1c2b92624a14a33b4d9bc4b075fe9cecebb9679

  • SSDEEP

    3072:JIJO91gvrt/YObLz6tTs6b/KItLvYFdJIwFAd/LWxidvIuV:H1OtgWLGtfb/1lviIkAdEid5

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

backdoor25.no-ip.org:81

Mutex

23556fb1360f366337f97c924e76ead3

Attributes
  • reg_key

    23556fb1360f366337f97c924e76ead3

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 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.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b4961bd714e87ac58bc94057c4729a0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b4961bd714e87ac58bc94057c4729a0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Users\Admin\AppData\Local\Temp\397.exe
      C:\Users\Admin\AppData\Local\Temp\397.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2060
        • C:\Windows\system32\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\397.exe

    Filesize

    79KB

    MD5

    424a710bce5c774f95b1e5bcf384ffa7

    SHA1

    d43e116ea93ec730f760c22c7b85ed94805f974f

    SHA256

    2051eb8988f73e300fd76fd59934d47dfa335afce0d71c6b46bba3c38e1fc33c

    SHA512

    46f537ab24ab75796cba3c002887d055672b3ecd6735ac8b98f078b073422573316f27fdabf0406e180f761a370d0da10afec242c82443e2eb31c72a9df56a7d

  • memory/556-0-0x000007FEF628E000-0x000007FEF628F000-memory.dmp

    Filesize

    4KB

  • memory/556-5-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

    Filesize

    9.6MB

  • memory/556-6-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

    Filesize

    9.6MB

  • memory/556-24-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

    Filesize

    9.6MB

  • memory/2060-22-0x0000000001340000-0x000000000135A000-memory.dmp

    Filesize

    104KB

  • memory/2284-11-0x0000000000300000-0x000000000030A000-memory.dmp

    Filesize

    40KB

  • memory/2284-10-0x00000000002F0000-0x00000000002FA000-memory.dmp

    Filesize

    40KB

  • memory/2284-9-0x00000000002E0000-0x00000000002EC000-memory.dmp

    Filesize

    48KB

  • memory/2284-12-0x0000000000310000-0x000000000031C000-memory.dmp

    Filesize

    48KB

  • memory/2284-13-0x000007FEF3930000-0x000007FEF431C000-memory.dmp

    Filesize

    9.9MB

  • memory/2284-16-0x0000000000AE0000-0x0000000000AEE000-memory.dmp

    Filesize

    56KB

  • memory/2284-15-0x0000000000AD0000-0x0000000000ADC000-memory.dmp

    Filesize

    48KB

  • memory/2284-14-0x0000000000320000-0x000000000032C000-memory.dmp

    Filesize

    48KB

  • memory/2284-23-0x000007FEF3930000-0x000007FEF431C000-memory.dmp

    Filesize

    9.9MB

  • memory/2284-8-0x0000000000C40000-0x0000000000C5A000-memory.dmp

    Filesize

    104KB

  • memory/2284-7-0x000007FEF3933000-0x000007FEF3934000-memory.dmp

    Filesize

    4KB