Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 20:05

General

  • Target

    JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe

  • Size

    80KB

  • MD5

    6067b027089481ea72cd18b2882768f0

  • SHA1

    9e36042c99d5635989327cfffd2e0ead0d786d8b

  • SHA256

    97dd41743346198cd775d0b18e6a44dc3d75df4273378f9f5b4b84d7b53159e2

  • SHA512

    51c2d0280819cfba01917b69fde4b60da034917c8daac7a1bf45f72000346433e369539936941bc8bca0341e88d67c9be07bd25e2395a9f39c7802e1e68ca085

  • SSDEEP

    1536:zA8MK9KTyAKY1XT+5pcrk+v5KAqkceml11ZJb:j5B5SrXKAHcegrb

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

abunasreeeecom.ddns.net:5552

Mutex

26b6b4d063df431e0e2d530a57f410e6

Attributes
  • reg_key

    26b6b4d063df431e0e2d530a57f410e6

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    80KB

    MD5

    6067b027089481ea72cd18b2882768f0

    SHA1

    9e36042c99d5635989327cfffd2e0ead0d786d8b

    SHA256

    97dd41743346198cd775d0b18e6a44dc3d75df4273378f9f5b4b84d7b53159e2

    SHA512

    51c2d0280819cfba01917b69fde4b60da034917c8daac7a1bf45f72000346433e369539936941bc8bca0341e88d67c9be07bd25e2395a9f39c7802e1e68ca085

  • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch

    Filesize

    908B

    MD5

    b859bfb127a606a1484fcdf707738a1e

    SHA1

    251925d66c417215fd9b6d87b365f7e5ab80cfb6

    SHA256

    038d245d313673a2ea39a8ccaff888a0b4d8d0523ad9a05dbfec76e00f04d778

    SHA512

    873e9d34b9fe5d2cdd863befad0b4c5c7823c4f41f9614facd716a22b2c6f5f3ad92872e9fe90b599e4aa3cda130fa3dd05c0414f4ce44041e98c5aa88b4ae16

  • memory/1156-8-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1156-24-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1156-5-0x0000000000550000-0x0000000000558000-memory.dmp

    Filesize

    32KB

  • memory/1156-4-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

    Filesize

    40KB

  • memory/1156-3-0x0000000000310000-0x000000000031C000-memory.dmp

    Filesize

    48KB

  • memory/1156-7-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1156-0-0x000007FEF609E000-0x000007FEF609F000-memory.dmp

    Filesize

    4KB

  • memory/1156-2-0x0000000000A00000-0x0000000000A0E000-memory.dmp

    Filesize

    56KB

  • memory/1156-1-0x00000000002E0000-0x00000000002EE000-memory.dmp

    Filesize

    56KB

  • memory/1156-6-0x0000000000E80000-0x0000000000E8C000-memory.dmp

    Filesize

    48KB

  • memory/1448-20-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-21-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-19-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-25-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-26-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-27-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-28-0x000007FEF5DE0000-0x000007FEF677D000-memory.dmp

    Filesize

    9.6MB