Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2024 11:33

General

  • Target

    b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe

  • Size

    23KB

  • MD5

    721020604870e1f7c83c27ea1eb0fa91

  • SHA1

    d8e778096cbf5c2af4e121ea76eac0c8dd523937

  • SHA256

    b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163

  • SHA512

    c51ab5286585ccc697226e40008e82929049f29a3e1a1f62259efdaba31f9dfcf02642df2b490d5fa4dce97fd8b579a60f1e555591dcfbb1e84c799ccfa502a4

  • SSDEEP

    384:7oWSkWHa55BgDVRGipkItzY6vZg36Eh7FpmRvR6JZlbw8hqIusZzZrRk:UJuk9pHRpcnu4K

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

fidapeste.duckdns.org:5552

Mutex

c8dd732f2b05016dcf1d715ae5c01daf

Attributes
  • reg_key

    c8dd732f2b05016dcf1d715ae5c01daf

  • splitter

    |'|'|

Signatures

  • 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\b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe
    "C:\Users\Admin\AppData\Local\Temp\b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Roaming\Ssvchost.exe
      "C:\Users\Admin\AppData\Roaming\Ssvchost.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:2544
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Ssvchost.exe" "Ssvchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Ssvchost.exe

    Filesize

    23KB

    MD5

    721020604870e1f7c83c27ea1eb0fa91

    SHA1

    d8e778096cbf5c2af4e121ea76eac0c8dd523937

    SHA256

    b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163

    SHA512

    c51ab5286585ccc697226e40008e82929049f29a3e1a1f62259efdaba31f9dfcf02642df2b490d5fa4dce97fd8b579a60f1e555591dcfbb1e84c799ccfa502a4

  • memory/2120-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

    Filesize

    4KB

  • memory/2120-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2120-2-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2120-11-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-12-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-10-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-13-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-15-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-16-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB