Analysis

  • max time kernel
    32s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:13

General

  • Target

    822a16f7ff868ecf1ac2602e4b40e7c0.exe

  • Size

    23KB

  • MD5

    822a16f7ff868ecf1ac2602e4b40e7c0

  • SHA1

    33b780733d1ecf3a50523a458b6634a5e7573441

  • SHA256

    12f57299bfa01cdba9a07dbc468601f158fc025d52554bc48102d1b960d5741f

  • SHA512

    e5c058548c93e1fa30ebf681d0b77ced2da7425351b11c8a74d9cc0e3124ccbb31eff677af5fdeec44a1818269b971f214d2907f7eb57c64e5102a93ece9c61b

  • SSDEEP

    384:R3gexUw/L+JrgUon5b9uSDMwT9Pfg6NgrWoBYi51mRvR6JZlbw8hqIusZzZpxuU:9IAKG91DP1hPRpcnukcU

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKEd By ; WsWsh.

C2

wso22.ddns.net:911

Mutex

fc95dd350940f8060476f2a3dc4d93bc

Attributes
  • reg_key

    fc95dd350940f8060476f2a3dc4d93bc

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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
  • 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\822a16f7ff868ecf1ac2602e4b40e7c0.exe
    "C:\Users\Admin\AppData\Local\Temp\822a16f7ff868ecf1ac2602e4b40e7c0.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Users\Admin\AppData\Roaming\SndVol.exe
      "C:\Users\Admin\AppData\Roaming\SndVol.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\SndVol.exe" "SndVol.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\SndVol.exe

    Filesize

    23KB

    MD5

    822a16f7ff868ecf1ac2602e4b40e7c0

    SHA1

    33b780733d1ecf3a50523a458b6634a5e7573441

    SHA256

    12f57299bfa01cdba9a07dbc468601f158fc025d52554bc48102d1b960d5741f

    SHA512

    e5c058548c93e1fa30ebf681d0b77ced2da7425351b11c8a74d9cc0e3124ccbb31eff677af5fdeec44a1818269b971f214d2907f7eb57c64e5102a93ece9c61b

  • memory/2432-13-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-14-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-15-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-0-0x00000000745B1000-0x00000000745B2000-memory.dmp

    Filesize

    4KB

  • memory/2604-1-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-2-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-3-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-11-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-12-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB