Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 13:15

General

  • Target

    1733490739e5e30edcf0680d8a10de07d13f0f9a2284bc87bf8b4af988e0742c1432ac615d942.exe

  • Size

    23KB

  • MD5

    813cae645a859f9e7f6fffbe0e9120a9

  • SHA1

    0addbb3b28af97dd5b26f79c89a0327b0e1b8719

  • SHA256

    8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17

  • SHA512

    ccf8cc53449630174289e796bda1bc61f7973e0220caf1bcb0f10cb45d05e65fd60360f514949cc750a7d7669ed50b83257e4c913258c9909c9da049c6a5efa7

  • SSDEEP

    384:u8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZhD:hXcwt3tRpcnui

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

TAKTOUKA

C2

127.0.0.1:8090

Mutex

2239074f375016b7c06b239673132d3c

Attributes
  • reg_key

    2239074f375016b7c06b239673132d3c

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 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\1733490739e5e30edcf0680d8a10de07d13f0f9a2284bc87bf8b4af988e0742c1432ac615d942.exe
    "C:\Users\Admin\AppData\Local\Temp\1733490739e5e30edcf0680d8a10de07d13f0f9a2284bc87bf8b4af988e0742c1432ac615d942.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Users\Admin\AppData\Local\Temp\hi.exe
      "C:\Users\Admin\AppData\Local\Temp\hi.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\hi.exe" "hi.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    813cae645a859f9e7f6fffbe0e9120a9

    SHA1

    0addbb3b28af97dd5b26f79c89a0327b0e1b8719

    SHA256

    8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17

    SHA512

    ccf8cc53449630174289e796bda1bc61f7973e0220caf1bcb0f10cb45d05e65fd60360f514949cc750a7d7669ed50b83257e4c913258c9909c9da049c6a5efa7

  • memory/1972-11-0x00000000749E0000-0x0000000074F8B000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-12-0x00000000749E0000-0x0000000074F8B000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-14-0x00000000749E0000-0x0000000074F8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2668-0-0x00000000749E1000-0x00000000749E2000-memory.dmp

    Filesize

    4KB

  • memory/2668-1-0x00000000749E0000-0x0000000074F8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2668-2-0x00000000749E0000-0x0000000074F8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2668-10-0x00000000749E0000-0x0000000074F8B000-memory.dmp

    Filesize

    5.7MB