Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2024 20:20

General

  • Target

    1453dea35bb0999da71915c5f67aa02f_JaffaCakes118.exe

  • Size

    31KB

  • MD5

    1453dea35bb0999da71915c5f67aa02f

  • SHA1

    bea0bc17d93324afe2de3125e749d32cfc93d62e

  • SHA256

    34fce5dfe31c71df306d1928ee1b230c1fcd6e405372b86c805d55decae90cf6

  • SHA512

    45fbf4def048becdf047d13f079f618b804a37bc6183f49c6a147254e43ec70caf699cd5ab686d23c5f1fd213c2eb950b8ceb3f4110f9465a092ea4aade53b87

  • SSDEEP

    768:/5bSzG1XB9Qzxry13IPf4bxvy/QmIDUu0tiusj:km6ixoQVkaj

Malware Config

Signatures

  • 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 1 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1453dea35bb0999da71915c5f67aa02f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1453dea35bb0999da71915c5f67aa02f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      "C:\Users\Admin\AppData\Roaming\WindowsServices.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\WindowsServices.exe

    Filesize

    31KB

    MD5

    1453dea35bb0999da71915c5f67aa02f

    SHA1

    bea0bc17d93324afe2de3125e749d32cfc93d62e

    SHA256

    34fce5dfe31c71df306d1928ee1b230c1fcd6e405372b86c805d55decae90cf6

    SHA512

    45fbf4def048becdf047d13f079f618b804a37bc6183f49c6a147254e43ec70caf699cd5ab686d23c5f1fd213c2eb950b8ceb3f4110f9465a092ea4aade53b87

  • memory/1536-0-0x0000000074DA2000-0x0000000074DA3000-memory.dmp

    Filesize

    4KB

  • memory/1536-1-0x0000000074DA0000-0x0000000075351000-memory.dmp

    Filesize

    5.7MB

  • memory/1536-2-0x0000000074DA0000-0x0000000075351000-memory.dmp

    Filesize

    5.7MB

  • memory/1536-12-0x0000000074DA0000-0x0000000075351000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-13-0x0000000074DA0000-0x0000000075351000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-15-0x0000000074DA0000-0x0000000075351000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-16-0x0000000074DA0000-0x0000000075351000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-17-0x0000000074DA0000-0x0000000075351000-memory.dmp

    Filesize

    5.7MB