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Analysis

  • max time kernel
    150s
  • 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
    01/01/2025, 20:23

General

  • Target

    JaffaCakes118_6079b2fccc047c315bd3a2d69fcd2a60.exe

  • Size

    45KB

  • MD5

    6079b2fccc047c315bd3a2d69fcd2a60

  • SHA1

    a81539df25997e19fe911b885eea26a69784731a

  • SHA256

    73faacbd90f740cd6efe93cfa92c47b23beb7679a43d2dcbad4a435d84cd270b

  • SHA512

    ce502ee386f0eebba33b1dc8de83ce3f0dad23d1a6788969ad902fc6629767600293cb9435ffee5743ef7f0f6752bf024af7996e745d0c44dd7163ce4389984b

  • SSDEEP

    768:XA7N43zjQOaObNBVOE/4z7eB7F1pWZy9A2u6fwvmXOPKMK2r:w763wOaObNBhw67F1pWk9E6YpCM7

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

betabetabetabeta.no-ip.info:5552

Mutex

5d31a1ca43a2f478d6483da11bf5d515

Attributes
  • reg_key

    5d31a1ca43a2f478d6483da11bf5d515

  • 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 use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6079b2fccc047c315bd3a2d69fcd2a60.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6079b2fccc047c315bd3a2d69fcd2a60.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6079b2fccc047c315bd3a2d69fcd2a60.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6079b2fccc047c315bd3a2d69fcd2a60.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4252
        • C:\Users\Admin\AppData\Local\Temp\server.exe
          C:\Users\Admin\AppData\Local\Temp\server.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1772
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2428

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_6079b2fccc047c315bd3a2d69fcd2a60.exe.log

    Filesize

    224B

    MD5

    c19eb8c8e7a40e6b987f9d2ee952996e

    SHA1

    6fc3049855bc9100643e162511673c6df0f28bfb

    SHA256

    677e9e30350df17e2bc20fa9f7d730e9f7cc6e870d6520a345f5f7dc5b31f58a

    SHA512

    860713b4a787c2189ed12a47d4b68b60ac00c7a253cae52dd4eb9276dacafeae3a81906b6d0742c8ecfdfaa255777c445beb7c2a532f3c677a9903237ac97596

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

    Filesize

    45KB

    MD5

    6079b2fccc047c315bd3a2d69fcd2a60

    SHA1

    a81539df25997e19fe911b885eea26a69784731a

    SHA256

    73faacbd90f740cd6efe93cfa92c47b23beb7679a43d2dcbad4a435d84cd270b

    SHA512

    ce502ee386f0eebba33b1dc8de83ce3f0dad23d1a6788969ad902fc6629767600293cb9435ffee5743ef7f0f6752bf024af7996e745d0c44dd7163ce4389984b

  • memory/1260-9-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1260-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1260-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1260-3-0x0000000074D32000-0x0000000074D33000-memory.dmp

    Filesize

    4KB

  • memory/1260-4-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1260-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

    Filesize

    4KB

  • memory/1624-11-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-10-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-8-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-5-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1624-24-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1772-32-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1772-33-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1772-34-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-23-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-25-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-26-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-31-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB