Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    01-09-2024 07:52

General

  • Target

    ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe

  • Size

    23KB

  • MD5

    f2c12d60565cc11e11247cef0381c91b

  • SHA1

    da032f76b0930d85f58192a0494c7544dbdc51d7

  • SHA256

    ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5

  • SHA512

    a8dbd23a72ccbe3a590a5818084b934ba2436fdc9955916b26803281c1763ae27e742a58c05c1fec82abc60d9711e888bcfd9c0fcb048a9fa33836708aaa6a6f

  • SSDEEP

    384:JslUlEvOEJ8xWwYJOMiOBZEdj1567gtwi5HhbQmRvR6JZlbw8hqIusZzZ6w:aeEvwIlLMRpcnuQ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.10.10:5552

Mutex

0dc24807523d3cd24b54cd0996e4c49b

Attributes
  • reg_key

    0dc24807523d3cd24b54cd0996e4c49b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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).

  • 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 3 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 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe
    "C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2368
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\SysWOW64\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
        • System Location Discovery: System Language Discovery
        PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    f2c12d60565cc11e11247cef0381c91b

    SHA1

    da032f76b0930d85f58192a0494c7544dbdc51d7

    SHA256

    ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5

    SHA512

    a8dbd23a72ccbe3a590a5818084b934ba2436fdc9955916b26803281c1763ae27e742a58c05c1fec82abc60d9711e888bcfd9c0fcb048a9fa33836708aaa6a6f

  • memory/2348-11-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-12-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-13-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-14-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2368-0-0x0000000074831000-0x0000000074832000-memory.dmp

    Filesize

    4KB

  • memory/2368-1-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2368-2-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2368-10-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB