Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 09:36

General

  • Target

    SSBottmacEngineersPvt.Ltd..exe

  • Size

    562KB

  • MD5

    ff9e45d7326698f34526793bf1244811

  • SHA1

    b3ff69abfe1c5e6633a866ffbebe2139a69e3f0a

  • SHA256

    4db566fcdc413fe50153dc8431ae86192241f0e1e86071f80d42eb6e0fb5baca

  • SHA512

    ed2e02262beb00f77c5d17854c7b6544cdb4edce37e870505e21c0cd08999cb99904a667e5ed31cde3a3437c4e9713e6bfc63f091b30a9cec25a046ad0120657

  • SSDEEP

    12288:FDxrXQ9TZweejcQ1FXQEcupRk6CvPlZ0wJOszYkR:ZQejd1BpcupC6Cb0qL

Malware Config

Extracted

Family

xworm

Version

3.1

C2

kanrplest.duckdns.org:4068

Mutex

TdUxMCK2FUdy51AH

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 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).

  • System Location Discovery: System Language Discovery 1 TTPs 8 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SSBottmacEngineersPvt.Ltd..exe
    "C:\Users\Admin\AppData\Local\Temp\SSBottmacEngineersPvt.Ltd..exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3632
    • 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\SSBottmacEngineersPvt.Ltd..exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RTUZKYTc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RTUZKYTc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp15A6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1536
    • C:\Users\Admin\AppData\Local\Temp\SSBottmacEngineersPvt.Ltd..exe
      "C:\Users\Admin\AppData\Local\Temp\SSBottmacEngineersPvt.Ltd..exe"
      2⤵
        PID:4924
      • C:\Users\Admin\AppData\Local\Temp\SSBottmacEngineersPvt.Ltd..exe
        "C:\Users\Admin\AppData\Local\Temp\SSBottmacEngineersPvt.Ltd..exe"
        2⤵
        • Checks computer location settings
        • Drops startup file
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2012
        • 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\SSBottmacEngineersPvt.Ltd..exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4324
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SSBottmacEngineersPvt.Ltd..exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2772
        • 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\Roaming\SSBottmacEngineersPvt.Ltd..exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SSBottmacEngineersPvt.Ltd..exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      786ff0aed365e6a2add6ca08a5ad0baf

      SHA1

      b9f540fd9f00779fbd0d1095c89329bf0fd8c2cc

      SHA256

      66c46b3e87d9730a7bd880b5ca4688ea6846b7fbf3b13c93dde33319f73b934a

      SHA512

      10b2b154e5ac479f8811036fa0040581bce1ed99814b70abe5ebb61078b2458f1c3c3f3469fd4ab33b69d731051636defba6cbf17b87aed506f6f0a771bf180f

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      896B

      MD5

      8181e9ee77e6fc9c4d98a8c1d999b04f

      SHA1

      9869273b33a0720dae156a2cb1b687fdfc57d493

      SHA256

      e9d5c548b96d6079446cc860a68032c187af31fd342dffbaaf097c954156dcf2

      SHA512

      246b6286401fd02fd7f6aaaf15c576b50eb1069ccbff18eba10c6bafb1cd7fc9bf3cb2d2100a0a52f080eba8afa15577f69fb90bf95ff15a75e8f73f05ed271c

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      f8c06c61b4a3d6a6b3d70cbcb3298d94

      SHA1

      d5ef5c785c4d5e077b70d033f6db84a810f948fc

      SHA256

      bdcbc9fdda0f832d1a487f782f34173b218cedc568aa761e244f983a88bb2808

      SHA512

      dce3468537bdf9164bd01ac3ccfdb340e08bf7a64a5727a6898a7124b06f7c851e7a4afef5063d4a1176fa3f9816567b576a8a8a5a9c5a521480c59767c6b071

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      b1b3780c00188c140cb60929a5575d6d

      SHA1

      6ef89ed42c41a9c68b4edfda596efbfc3d77ee98

      SHA256

      5de80c28b2c37cd4911b14e28b82cd7096e628a26219ed87af439ff43abbe7ba

      SHA512

      7b4086f359515831d1b8b100257e6b6c7b6266aad37000d4d20963f04868b5d12acca28c717b7d0d8aa4d830c25d2de32941076ffa0d70b35143083383a99161

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_undh2xqj.x2h.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp15A6.tmp

      Filesize

      1KB

      MD5

      80a4bb1a5e91ad3a114e1d46b95ae9c7

      SHA1

      a54b71f9306a416e10be5bf523f5e6d807dc22e3

      SHA256

      41ba18b3ec1c2bda64c217a3c4a53bf79aecbe51457edd1cc8abdad5f639025f

      SHA512

      1895b53343e0e4efa9a2ffff9bc89d54046315c91ea27d1e65114cdde74f1646058f71f1f394aa2df4c2daab475c1c7f57a0a347b6802191fef57768dbe895bc

    • C:\Users\Admin\AppData\Roaming\SSBottmacEngineersPvt.Ltd..exe

      Filesize

      562KB

      MD5

      ff9e45d7326698f34526793bf1244811

      SHA1

      b3ff69abfe1c5e6633a866ffbebe2139a69e3f0a

      SHA256

      4db566fcdc413fe50153dc8431ae86192241f0e1e86071f80d42eb6e0fb5baca

      SHA512

      ed2e02262beb00f77c5d17854c7b6544cdb4edce37e870505e21c0cd08999cb99904a667e5ed31cde3a3437c4e9713e6bfc63f091b30a9cec25a046ad0120657

    • memory/2012-22-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/2728-18-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2728-51-0x0000000006E00000-0x0000000006E4C000-memory.dmp

      Filesize

      304KB

    • memory/2728-16-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2728-17-0x0000000005A00000-0x0000000006028000-memory.dmp

      Filesize

      6.2MB

    • memory/2728-87-0x0000000007E70000-0x0000000007F06000-memory.dmp

      Filesize

      600KB

    • memory/2728-86-0x0000000007C60000-0x0000000007C6A000-memory.dmp

      Filesize

      40KB

    • memory/2728-84-0x0000000008230000-0x00000000088AA000-memory.dmp

      Filesize

      6.5MB

    • memory/2728-21-0x00000000060A0000-0x00000000060C2000-memory.dmp

      Filesize

      136KB

    • memory/2728-85-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

      Filesize

      104KB

    • memory/2728-83-0x0000000007AD0000-0x0000000007B73000-memory.dmp

      Filesize

      652KB

    • memory/2728-28-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2728-61-0x0000000007890000-0x00000000078C2000-memory.dmp

      Filesize

      200KB

    • memory/2728-72-0x0000000006EC0000-0x0000000006EDE000-memory.dmp

      Filesize

      120KB

    • memory/2728-15-0x0000000002FC0000-0x0000000002FF6000-memory.dmp

      Filesize

      216KB

    • memory/2728-62-0x0000000075770000-0x00000000757BC000-memory.dmp

      Filesize

      304KB

    • memory/2728-109-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2728-50-0x00000000068C0000-0x00000000068DE000-memory.dmp

      Filesize

      120KB

    • memory/2772-112-0x0000000005460000-0x00000000057B4000-memory.dmp

      Filesize

      3.3MB

    • memory/2772-136-0x0000000007070000-0x0000000007084000-memory.dmp

      Filesize

      80KB

    • memory/2772-123-0x0000000005F30000-0x0000000005F7C000-memory.dmp

      Filesize

      304KB

    • memory/2772-134-0x0000000006CC0000-0x0000000006D63000-memory.dmp

      Filesize

      652KB

    • memory/2772-124-0x0000000070B60000-0x0000000070BAC000-memory.dmp

      Filesize

      304KB

    • memory/2772-135-0x0000000007030000-0x0000000007041000-memory.dmp

      Filesize

      68KB

    • memory/3472-148-0x0000000070B60000-0x0000000070BAC000-memory.dmp

      Filesize

      304KB

    • memory/3632-1-0x0000000000C40000-0x0000000000CD0000-memory.dmp

      Filesize

      576KB

    • memory/3632-9-0x0000000002F20000-0x0000000002F72000-memory.dmp

      Filesize

      328KB

    • memory/3632-10-0x000000000D570000-0x000000000D60C000-memory.dmp

      Filesize

      624KB

    • memory/3632-8-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3632-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

      Filesize

      4KB

    • memory/3632-2-0x0000000005BE0000-0x0000000006184000-memory.dmp

      Filesize

      5.6MB

    • memory/3632-39-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3632-3-0x0000000005570000-0x0000000005602000-memory.dmp

      Filesize

      584KB

    • memory/3632-7-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

      Filesize

      4KB

    • memory/3632-4-0x0000000005630000-0x000000000563A000-memory.dmp

      Filesize

      40KB

    • memory/3632-6-0x0000000005970000-0x000000000598C000-memory.dmp

      Filesize

      112KB

    • memory/3632-5-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4324-89-0x0000000075770000-0x00000000757BC000-memory.dmp

      Filesize

      304KB

    • memory/4544-23-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4544-105-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4544-102-0x0000000007410000-0x0000000007418000-memory.dmp

      Filesize

      32KB

    • memory/4544-101-0x0000000007430000-0x000000000744A000-memory.dmp

      Filesize

      104KB

    • memory/4544-100-0x0000000007330000-0x0000000007344000-memory.dmp

      Filesize

      80KB

    • memory/4544-90-0x0000000007320000-0x000000000732E000-memory.dmp

      Filesize

      56KB

    • memory/4544-88-0x00000000072F0000-0x0000000007301000-memory.dmp

      Filesize

      68KB

    • memory/4544-73-0x0000000075770000-0x00000000757BC000-memory.dmp

      Filesize

      304KB

    • memory/4544-49-0x0000000005740000-0x0000000005A94000-memory.dmp

      Filesize

      3.3MB

    • memory/4544-40-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4544-26-0x00000000056D0000-0x0000000005736000-memory.dmp

      Filesize

      408KB

    • memory/4544-24-0x0000000005660000-0x00000000056C6000-memory.dmp

      Filesize

      408KB

    • memory/4544-20-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB