Analysis

  • max time kernel
    143s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 16:46

General

  • Target

    2A26D4514305FCB4BC2AF3DEB844B68D.exe

  • Size

    538KB

  • MD5

    2a26d4514305fcb4bc2af3deb844b68d

  • SHA1

    68880c892211548fb691876960683fa90a4173de

  • SHA256

    de07b53ebefb0b2f51f956664de486a9a078a6997c0508e6b9eb41d7c4c265f1

  • SHA512

    8430b12fa09d691e60ebf51168e95fcd16ec750e43e293b5bf45569ceac3e665e1354e0aeb8742e59769bd9a1ca494f2f9ef83d3224d9e54d3b9ca3fb3a2eb0f

  • SSDEEP

    12288:thrO5q5qRbfdltGbr6IaRP+Tu+zLC54MV9:QqgRbdyxaRPWzLCe89

Malware Config

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

ronymahmoud.casacam.net:5050

Mutex

8f1e01fb78d64f28

Attributes
  • reg_key

    8f1e01fb78d64f28

  • splitter

    @!#&^%$

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2A26D4514305FCB4BC2AF3DEB844B68D.exe
    "C:\Users\Admin\AppData\Local\Temp\2A26D4514305FCB4BC2AF3DEB844B68D.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2A26D4514305FCB4BC2AF3DEB844B68D.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2596
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oJFNpRAYB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oJFNpRAYB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8EF7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2128
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8EF7.tmp

    Filesize

    1KB

    MD5

    2fe333228403f4868c97641886c7e02c

    SHA1

    76e410cbba60bca3c90fcff0e9a79e7d31b53fb2

    SHA256

    9f8c9d8a76c286239a2aab8b801202e890575a3e7eb8adc7fb58e6ff618aced6

    SHA512

    f31720ed7b9e50ddf5b7f2bce3c2f5994504138bc48b4fc8517999bbd2868b92d31e49295678304060d2dddd5e0eb7c51f0f098f0d004514cf35ccf941932eae

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    c84a2fab6f1544a7e4338ba8abe8ff72

    SHA1

    de1d47c64bff30b825e92ff07a52322d78decc51

    SHA256

    291dafc2c605bf4e53601a945346bb36321888c5702cca8e982db95219f0b2e1

    SHA512

    3e43563b0aae1621a88fbc0ae724d1056774ba5bb06198ab60dec2724b9714ba266ce913fc9491f973109d7a91bbc64242fb4d9ae8acb3284e56f85c62e1e700

  • memory/2368-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

    Filesize

    4KB

  • memory/2368-31-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2368-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

    Filesize

    4KB

  • memory/2368-5-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2368-6-0x00000000043E0000-0x0000000004430000-memory.dmp

    Filesize

    320KB

  • memory/2368-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2368-1-0x0000000000930000-0x00000000009BC000-memory.dmp

    Filesize

    560KB

  • memory/2368-3-0x0000000000310000-0x0000000000320000-memory.dmp

    Filesize

    64KB

  • memory/2452-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2452-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2452-25-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2452-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2452-21-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2452-30-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2452-29-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2452-28-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB