Analysis

  • max time kernel
    349s
  • max time network
    351s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/03/2024, 01:27

General

  • Target
    sus_protected.exe
  • Size 105KB
  • Sample240315-bveaeafc32
  • SHA256 f730bbdf76ecc7e6a3cbc22516b2f66e6ce1bc0ff79f86fb651a9caa9020dba2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • hai1723rat-60039.portmap.io:60039

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 7 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 14 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 42 IoCs
  • Modifies registry class 12 IoCs
  • Opens file in notepad (likely ransom note) 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sus_protected.exe
    "C:\Users\Admin\AppData\Local\Temp\sus_protected.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '113';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '113' -Value '"C:\Users\Admin\Desktop\lmao\nice.exe"' -PropertyType 'String'
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1240
    • C:\Users\Admin\AppData\Local\Temp\sus_protected.exe
      #cmd
      2⤵
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\sus_protected.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2504
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'sus_protected.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2020
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\How To Decrypt My Files.html
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2692
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2692 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1756
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2692 CREDAT:209930 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:3036
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\desktop.ini
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:2188
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2180
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\lmao\nice.exe.ENC
    1⤵
    • Modifies registry class
    PID:1148
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\lmao\nice.exe.ENC
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        • Size 67KB
        • SHA256 b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78
        • MD5 SHA1 SHA512 SSDEEP

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 6619114cf703f2e05bdbe1970ed7c42b0e9c9f495fc8ee3ea33dd715032ee133
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 2260eadd7436794dbf1178cc5435528fa21b0fce30c133d24c22af103ce72a58
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 02b86bed7bc979c0a352641c02a028dd8fbe05930fc33b7ad260ce9abf2e7e2b
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 876e5e050350fb791ec405039fa1f729210c39861512c0750f18d811f73a1429
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 c8790262d6243375d914dc6e0628f6cb02835a8c31029f8b41e977fd610c7f2d
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 04862c70c5bd87e0a66f473d0011d2bb7b715f7898913c84c00d7c2a3601d55f
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 9cd624d3035513edc9387cc6e579bf7bd3e289ee826c06792f851a29960c5901
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 71867c2d362fcb1dda54f024e83e22e4963a2cddf24dcff63ee1b4500bcf4775
        • MD5 SHA1 SHA512

        Cab7A13.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab7A13.tmp
        • Size 65KB
        • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
        • MD5 SHA1 SHA512 SSDEEP

        Tar7D35.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar7D35.tmp
        • Size 175KB
        • SHA256 a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22
        • MD5 SHA1 SHA512 SSDEEP

        ~DF4A92E3BA8773BA0B.TMP

        • Path C:\Users\Admin\AppData\Local\Temp\~DF4A92E3BA8773BA0B.TMP
        • Size 16KB
        • SHA256 d073471b14585f91a7769a134eb7d85212cd80f68f59bb97ba100213eba66f09
        • MD5 SHA1 SHA512 SSDEEP

        d93f411851d7c929.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
        • Size 7KB
        • SHA256 36e419a558cf646a921d1288897defa5d69794ba12c88186cd81b996faa1cfaf
        • MD5 SHA1 SHA512 SSDEEP

        How To Decrypt My Files.html

        • Path C:\Users\Admin\Desktop\How To Decrypt My Files.html
        • Size 639B
        • SHA256 5ca82cbc4d582a4a425ae328ad12fd198095e2854f4f87b27a4b09e91173a3be
        • MD5 SHA1 SHA512

        desktop.ini

        • Path C:\Users\Admin\Desktop\desktop.ini
        • Size 282B
        • SHA256 4b9d687ac625690fd026ed4b236dad1cac90ef69e7ad256cc42766a065b50026
        • MD5 SHA1 SHA512

        nice.exe

        • Path C:\Users\Admin\Desktop\lmao\nice.exe
        • Size 105KB
        • SHA256 f730bbdf76ecc7e6a3cbc22516b2f66e6ce1bc0ff79f86fb651a9caa9020dba2
        • MD5 SHA1 SHA512 SSDEEP

        nice.exe.ENC

        • Path C:\Users\Admin\Desktop\lmao\nice.exe.ENC
        • Size 105KB
        • SHA256 925b2520f923b4538b1bfec90178b4196b71b613fe727ceefddf4d4828156cf2
        • MD5 SHA1 SHA512 SSDEEP

        NTUSER.DAT{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.TMContainer00000000000000000001.regtrans-ms.ENC

        • Path C:\Users\Admin\NTUSER.DAT{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.TMContainer00000000000000000001.regtrans-ms.ENC
        • Size 16B
        • SHA256 5ac3b9df305ea99b6ee01eabce27cbae747a52e2d920f30a2915aa3fd52ce505
        • MD5 SHA1 SHA512

        memory/1240-20-0x0000000071560000-0x0000000071B0B000-memory.dmp

        memory/1240-34-0x0000000071560000-0x0000000071B0B000-memory.dmp

        memory/1240-19-0x0000000071560000-0x0000000071B0B000-memory.dmp

        memory/1240-21-0x0000000002260000-0x00000000022A0000-memory.dmp

        memory/1240-22-0x0000000002260000-0x00000000022A0000-memory.dmp

        memory/2020-43-0x00000000025A0000-0x00000000025E0000-memory.dmp

        memory/2020-40-0x0000000071270000-0x000000007181B000-memory.dmp

        memory/2020-41-0x0000000071270000-0x000000007181B000-memory.dmp

        memory/2020-42-0x00000000025A0000-0x00000000025E0000-memory.dmp

        memory/2020-44-0x0000000071270000-0x000000007181B000-memory.dmp

        memory/2180-2231-0x0000000000560000-0x0000000000561000-memory.dmp

        memory/2180-1590-0x0000000140000000-0x00000001405E8000-memory.dmp

        memory/2180-1711-0x0000000000560000-0x0000000000561000-memory.dmp

        memory/2180-2232-0x0000000140000000-0x00000001405E8000-memory.dmp

        memory/2180-2212-0x0000000140000000-0x00000001405E8000-memory.dmp

        memory/2180-2213-0x0000000140000000-0x00000001405E8000-memory.dmp

        memory/2180-1589-0x0000000140000000-0x00000001405E8000-memory.dmp

        memory/2504-32-0x0000000002840000-0x0000000002880000-memory.dmp

        memory/2504-30-0x0000000071560000-0x0000000071B0B000-memory.dmp

        memory/2504-31-0x0000000002840000-0x0000000002880000-memory.dmp

        memory/2504-28-0x0000000071560000-0x0000000071B0B000-memory.dmp

        memory/2504-33-0x0000000071560000-0x0000000071B0B000-memory.dmp

        memory/2504-29-0x0000000002840000-0x0000000002880000-memory.dmp

        memory/2748-0-0x0000000000280000-0x00000000002A0000-memory.dmp

        memory/2748-3-0x00000000002A0000-0x00000000002E0000-memory.dmp

        memory/2748-12-0x0000000074DB0000-0x000000007549E000-memory.dmp

        memory/2748-1-0x0000000074DB0000-0x000000007549E000-memory.dmp

        memory/2796-70-0x00000000046C0000-0x00000000046CC000-memory.dmp

        memory/2796-5-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/2796-6-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/2796-7-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/2796-4-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/2796-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2796-10-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/2796-13-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/2796-15-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/2796-16-0x0000000074D40000-0x000000007542E000-memory.dmp

        memory/2796-46-0x0000000006D50000-0x0000000006E6E000-memory.dmp

        memory/2796-45-0x0000000074D40000-0x000000007542E000-memory.dmp

        memory/2796-2295-0x0000000002350000-0x000000000235E000-memory.dmp