Analysis

  • max time kernel
    146s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 22:54

General

  • Target

    1960fc0413732cabf1620cd1244d354238bda3d31210feff72570dc825e3c4ed.exe

  • Size

    1.0MB

  • MD5

    08d5c4483e2106305bc73d6456455f2e

  • SHA1

    ee5c737012942806df0a834ebd3914bd8bb19702

  • SHA256

    1960fc0413732cabf1620cd1244d354238bda3d31210feff72570dc825e3c4ed

  • SHA512

    1c4dbc3273b617704d78e35c5903c6872bb904249f84ae2de5facd9cf2f365d3a9de9e4eccca6a624e9b922dcf856c052e299485d34df22a097dbbfc4ac6952a

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

ZZZZZZQUARENTINEE

C2

tonystark2025.duckdns.org:4010

Mutex

Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    1234

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1960fc0413732cabf1620cd1244d354238bda3d31210feff72570dc825e3c4ed.exe
    "C:\Users\Admin\AppData\Local\Temp\1960fc0413732cabf1620cd1244d354238bda3d31210feff72570dc825e3c4ed.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1876

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/528-54-0x0000000076121000-0x0000000076123000-memory.dmp

    Filesize

    8KB

  • memory/528-62-0x00000000001A0000-0x00000000001C8000-memory.dmp

    Filesize

    160KB

  • memory/528-63-0x0000000000290000-0x00000000002B8000-memory.dmp

    Filesize

    160KB

  • memory/1876-55-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1876-56-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1876-61-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1876-64-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1876-65-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB