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Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2025, 08:03

General

  • Target

    JaffaCakes118_63b02e797ff83d6564f8a179a334b450.exe

  • Size

    122KB

  • MD5

    63b02e797ff83d6564f8a179a334b450

  • SHA1

    8c385e68245bb3beff75431179efae7749528ec9

  • SHA256

    8546ca6aed3fa349818ef096c0fc5738a1e875a89329cc1204ce01b8db87e366

  • SHA512

    cf2888a6a717f9969f132b6fae1290857a80c0fe7808122a0c461aa01cb74ec056acbb1c941fa3d3fac8aa945d227b042340f6e0e4f2fcc8c2fbb3b321b8891b

  • SSDEEP

    1536:eHWw9O9qCDO3w0rW3cT1lxP3qIVHOqA5ZX6w5qqdkXA9SzcFDOgiXbqruuN8:QO9qCDOFwIZsX6w5HdSA9hFDZW

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

rwan.no-ip.biz:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • 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.

  • Executes dropped EXE 2 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 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b02e797ff83d6564f8a179a334b450.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b02e797ff83d6564f8a179a334b450.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b02e797ff83d6564f8a179a334b450.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b02e797ff83d6564f8a179a334b450.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
        "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1308
        • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
          C:\Users\Admin\AppData\Local\Temp\Trojan.exe
          4⤵
          • 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:552
          • 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:4836

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_63b02e797ff83d6564f8a179a334b450.exe.log

    Filesize

    128B

    MD5

    a5dcc7c9c08af7dddd82be5b036a4416

    SHA1

    4f998ca1526d199e355ffb435bae111a2779b994

    SHA256

    e24033ceec97fd03402b03acaaabd1d1e378e83bb1683afbccac760e00f8ead5

    SHA512

    56035de734836c0c39f0b48641c51c26adb6e79c6c65e23ca96603f71c95b8673e2ef853146e87efc899dd1878d0bbc2c82d91fbf0fce81c552048e986f9bb5a

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

    Filesize

    122KB

    MD5

    63b02e797ff83d6564f8a179a334b450

    SHA1

    8c385e68245bb3beff75431179efae7749528ec9

    SHA256

    8546ca6aed3fa349818ef096c0fc5738a1e875a89329cc1204ce01b8db87e366

    SHA512

    cf2888a6a717f9969f132b6fae1290857a80c0fe7808122a0c461aa01cb74ec056acbb1c941fa3d3fac8aa945d227b042340f6e0e4f2fcc8c2fbb3b321b8891b

  • memory/552-59-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/552-58-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-56-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-57-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-55-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-39-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-38-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-37-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/2564-16-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2564-24-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/2564-36-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/3412-22-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/3412-21-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/3412-20-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/3412-18-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/3412-0-0x0000000075522000-0x0000000075523000-memory.dmp

    Filesize

    4KB

  • memory/3412-4-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/3412-3-0x0000000075522000-0x0000000075523000-memory.dmp

    Filesize

    4KB

  • memory/3412-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB

  • memory/3412-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

    Filesize

    5.7MB