Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2024 20:38

General

  • Target

    News.exe

  • Size

    73KB

  • MD5

    be488e5157902bc9d0b920863d4405e9

  • SHA1

    c7fcb865c0591a3b095a6384a189882144d7dfe6

  • SHA256

    7376d155a75df53c85fbea9d9576e1cb004352102c7266c0f0b8ef60f60c8a25

  • SHA512

    f0a2caaa72d35b2faaa36e7347f3b46c545ea0bdcaf7589bb6af72d0df1cecab2bd7d2bbe5d1cad87fa36d9d39e8a17df4ffd472f680a47dc4373a0c817bdb9a

  • SSDEEP

    1536:MhJq9QuBn6bcNr6KcHwRc3lbVbxKrUM3+6tkhE39pWIEHyv5JXH3W+DqVqHGKEY1:MW9QuBnYZIrTV+WtpPE4V3W+eVqHWYyY

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

Victim

C2

kgb963.duckdns.org:1118

Mutex

svchost.exe

Attributes
  • reg_key

    svchost.exe

  • splitter

    |Ghost|

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 4 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).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Kills process with taskkill 8 IoCs
  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\News.exe
    "C:\Users\Admin\AppData\Local\Temp\News.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionProcess "News.exe";Add-MpPreference -ExclusionProcess "svchost.exe";Add-MpPreference -ExclusionProcess "Windows.exe";Add-MpPreference -ExclusionPath "Windows.exe";Add-MpPreference -ExclusionPath "svchost.exe";Add-MpPreference -ExclusionProcess ".exe";Add-MpPreference -ExclusionProcess "exe";Add-MpPreference -ExclusionPath 'C:\';Add-MpPreference -ExclusionPath '%AppData%\Microsoft\Windows';Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp';Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows';Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup';Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2344
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2572
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2508
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2860
        • C:\Windows\SysWOW64\TASKKILL.exe
          TASKKILL /F /IM wscript.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1264
        • C:\Windows\SysWOW64\TASKKILL.exe
          TASKKILL /F /IM cmd.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2712
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /delete /tn "ChromeUpdate" /f
          4⤵
          • System Location Discovery: System Language Discovery
          PID:356
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "ChromeUpdate" /tr C:\Users\Admin\AppData\Local\Temp\svchost.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1900
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe"
        3⤵
          PID:1296
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {F95D177F-BBFB-4A79-AB61-B92F66E2138B} S-1-5-21-2172136094-3310281978-782691160-1000:EXCFTDUU\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        C:\Users\Admin\AppData\Local\Temp\svchost.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1856
        • C:\Windows\SysWOW64\TASKKILL.exe
          TASKKILL /F /IM wscript.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2248
        • C:\Windows\SysWOW64\TASKKILL.exe
          TASKKILL /F /IM cmd.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1536
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        C:\Users\Admin\AppData\Local\Temp\svchost.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Windows\SysWOW64\TASKKILL.exe
          TASKKILL /F /IM wscript.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1508
        • C:\Windows\SysWOW64\TASKKILL.exe
          TASKKILL /F /IM cmd.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2424

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Windows.exe

      Filesize

      543KB

      MD5

      de0a165d6020dd41386184bf1e101f5f

      SHA1

      1d6e966de8d4f0c9a1009d9b4050af9c63cce214

      SHA256

      3fc3d2a5608216ba7c7a761d1fe103c78137d5f09c005b227ef146cfa21f6f10

      SHA512

      a1c800dc9dd74e231e8dacc9976d3a69982a0c36ca9edbbc21947ef943ae02090baa465efc5474b48bc8f36e386fed063a69fb1cfb0168b1c5eb1a535f21a75f

    • memory/1936-22-0x0000000000C00000-0x0000000000C8E000-memory.dmp

      Filesize

      568KB

    • memory/2344-11-0x000007FEF2830000-0x000007FEF31CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2344-8-0x000007FEF2830000-0x000007FEF31CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2344-7-0x000000001B580000-0x000000001B862000-memory.dmp

      Filesize

      2.9MB

    • memory/2344-12-0x000007FEF2830000-0x000007FEF31CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2344-10-0x000007FEF2830000-0x000007FEF31CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2344-9-0x0000000001E70000-0x0000000001E78000-memory.dmp

      Filesize

      32KB

    • memory/2344-13-0x000007FEF2830000-0x000007FEF31CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2344-14-0x000007FEF2830000-0x000007FEF31CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2344-6-0x000007FEF2AEE000-0x000007FEF2AEF000-memory.dmp

      Filesize

      4KB

    • memory/2860-40-0x0000000000810000-0x000000000089E000-memory.dmp

      Filesize

      568KB

    • memory/3008-0-0x000007FEF61A3000-0x000007FEF61A4000-memory.dmp

      Filesize

      4KB

    • memory/3008-15-0x000000001CC20000-0x000000001CCA0000-memory.dmp

      Filesize

      512KB

    • memory/3008-1-0x000000013FBE0000-0x000000013FBF6000-memory.dmp

      Filesize

      88KB