Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

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

General

  • Target

    JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe

  • Size

    61KB

  • MD5

    61b553f3f0ff71dd68510cf2301dcac0

  • SHA1

    f4e6f6d471ce3df1956b393fe87f761b38c49cb1

  • SHA256

    975656c76badd9ffb80493b3968f51d31cf93fe7effbda1bdced377bda2266e5

  • SHA512

    beb63e1b959d7d7069c9487f75fd31619ea916cc0422f2d64b9d98cac7d6db8076f61d68868ab811ae11572884115bb9aa705017514ac4d943d0c45fa02ca3c7

  • SSDEEP

    1536:wg+dL1sfm++vZkeQzpKbzuqtG6ksBYjQvVxe:wg+dLOe+O/29Cxe

Malware Config

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 3 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 39 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
        "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3060
        • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
          C:\Users\Admin\AppData\Local\Temp\Trojan.exe
          4⤵
          • 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:264
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    61KB

    MD5

    61b553f3f0ff71dd68510cf2301dcac0

    SHA1

    f4e6f6d471ce3df1956b393fe87f761b38c49cb1

    SHA256

    975656c76badd9ffb80493b3968f51d31cf93fe7effbda1bdced377bda2266e5

    SHA512

    beb63e1b959d7d7069c9487f75fd31619ea916cc0422f2d64b9d98cac7d6db8076f61d68868ab811ae11572884115bb9aa705017514ac4d943d0c45fa02ca3c7

  • memory/2664-20-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2664-58-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-26-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-16-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2664-27-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-28-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-22-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2764-24-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-17-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-0-0x0000000074C01000-0x0000000074C02000-memory.dmp

    Filesize

    4KB

  • memory/2764-25-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-23-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-6-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-4-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-30-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-2-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-1-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/3060-43-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB

  • memory/3060-59-0x0000000074C00000-0x00000000751AB000-memory.dmp

    Filesize

    5.7MB