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Analysis

  • max time kernel
    147s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2025, 20:02

General

  • Target

    YOU.exe

  • Size

    955KB

  • MD5

    eb86db27432e31d958931668b20dd18d

  • SHA1

    12a8af666e5f1018071b46cb04df4a34384bb6be

  • SHA256

    5f0a6832da6604ee51d0072fa8ae6ad9b0151074c30c6a08acaad43d339abdf7

  • SHA512

    545b2ccdadb21aadc12a820ede8d4a730614d430816745aae817a4110cc36fa6891ff04e206d020f914debd388257222afcbbead55a2d88cd13e9e72b9ac938e

  • SSDEEP

    24576:Iu6J33O0c+JY5UZ+XC0kGso6Fak67DeQlaWY:iu0c++OCvkGs9Fak8DY

Malware Config

Extracted

Family

xworm

C2

176.96.137.181:2222

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient2.exe

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 4 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 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\YOU.exe
    "C:\Users\Admin\AppData\Local\Temp\YOU.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Users\Admin\AppData\Local\untrashed\avenses.exe
      "C:\Users\Admin\AppData\Local\Temp\YOU.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3512
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\YOU.exe"
        3⤵
        • 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:4304
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3196
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RegSvcs.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:536
        • 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\XClient2.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3820
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient2.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4460
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient2" /tr "C:\Users\Admin\AppData\Roaming\XClient2.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2712
  • C:\Users\Admin\AppData\Roaming\XClient2.exe
    C:\Users\Admin\AppData\Roaming\XClient2.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2300
  • C:\Users\Admin\AppData\Roaming\XClient2.exe
    C:\Users\Admin\AppData\Roaming\XClient2.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\XClient2.exe.log

    Filesize

    142B

    MD5

    8c0458bb9ea02d50565175e38d577e35

    SHA1

    f0b50702cd6470f3c17d637908f83212fdbdb2f2

    SHA256

    c578e86db701b9afa3626e804cf434f9d32272ff59fb32fa9a51835e5a148b53

    SHA512

    804a47494d9a462ffa6f39759480700ecbe5a7f3a15ec3a6330176ed9c04695d2684bf6bf85ab86286d52e7b727436d0bb2e8da96e20d47740b5ce3f856b5d0f

  • 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

    8244c651fde02d7427ffe485be66fe3a

    SHA1

    96a198db01a8f615b119c3091aed2293bf29d367

    SHA256

    f9b669fb0de962378903273d011773db4405e63ab1c7dbc29473c52528e3f7f8

    SHA512

    6621066472b90a9a309c4df3fc246083e03e9c61eff8cc48c6fcc32794100691e31ff55c689d453404c463b3581f9b7de7e790d746c800f7775d986fddc94b8d

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

    Filesize

    18KB

    MD5

    b18f98c8f8e4f97b344d6c7182f7ceb4

    SHA1

    f4b556d7f8b3b5dab90597fa41a6ce805cb97f30

    SHA256

    08cdb6d1d890b6c0e50478de987cf8cac22d5a28d105ad4ed79df3d22667f336

    SHA512

    7478e572e6beac75d6db5789a218ba4a367b8f65be502a8ef18fcfa749c29e7f1d274df6747021386f433b0dd8d0004e95313d3d0e671b6808550e8be9b1244f

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

    Filesize

    18KB

    MD5

    a49010e00fbc4405da52818258a04034

    SHA1

    d66216df7a22392b54a15796c670e423dc219822

    SHA256

    7c835130b0618247942036948091e2027346a231ddcc97effb184c0ee7606294

    SHA512

    20e488497b014a67a8e3c8d5b10e271255e87e7b1f0a8d6fa2a79f90499b7f09806fd3b583c57ebe291e0a100fb4b4d4035d53029340976ef88b1155ec6af46e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3b3ptpir.v3w.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\isochronally

    Filesize

    75KB

    MD5

    f7b1a17b45163be88460855ee2d1a8e6

    SHA1

    1362e944185439cdbeda78fabfaae4cc3b6e2808

    SHA256

    42f000296d3ff5241464a865d2f74ded4ec42febbf4f2ccc2787a1fef7eb9a84

    SHA512

    5949bbe9109d5b256622619ebbb09e68754f18a55b43f82a7b579460046dff7765df75d01ad96d46a23b2876cf62724f67821319a5b419be5ba7f9624d05f2a4

  • C:\Users\Admin\AppData\Local\untrashed\avenses.exe

    Filesize

    955KB

    MD5

    eb86db27432e31d958931668b20dd18d

    SHA1

    12a8af666e5f1018071b46cb04df4a34384bb6be

    SHA256

    5f0a6832da6604ee51d0072fa8ae6ad9b0151074c30c6a08acaad43d339abdf7

    SHA512

    545b2ccdadb21aadc12a820ede8d4a730614d430816745aae817a4110cc36fa6891ff04e206d020f914debd388257222afcbbead55a2d88cd13e9e72b9ac938e

  • C:\Users\Admin\AppData\Roaming\XClient2.exe

    Filesize

    44KB

    MD5

    9d352bc46709f0cb5ec974633a0c3c94

    SHA1

    1969771b2f022f9a86d77ac4d4d239becdf08d07

    SHA256

    2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

    SHA512

    13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

  • memory/536-73-0x0000000070930000-0x000000007097C000-memory.dmp

    Filesize

    304KB

  • memory/536-71-0x0000000005580000-0x00000000058D4000-memory.dmp

    Filesize

    3.3MB

  • memory/2300-139-0x0000000004E50000-0x0000000004E8C000-memory.dmp

    Filesize

    240KB

  • memory/2300-138-0x0000000000670000-0x000000000067E000-memory.dmp

    Filesize

    56KB

  • memory/2300-140-0x0000000004E10000-0x0000000004E31000-memory.dmp

    Filesize

    132KB

  • memory/3060-5-0x0000000001AE0000-0x0000000001AE8000-memory.dmp

    Filesize

    32KB

  • memory/3196-53-0x0000000007ED0000-0x0000000007F66000-memory.dmp

    Filesize

    600KB

  • memory/3196-34-0x0000000006540000-0x0000000006894000-memory.dmp

    Filesize

    3.3MB

  • memory/3196-37-0x0000000007AF0000-0x0000000007B22000-memory.dmp

    Filesize

    200KB

  • memory/3196-49-0x0000000007B30000-0x0000000007BD3000-memory.dmp

    Filesize

    652KB

  • memory/3196-50-0x0000000008290000-0x000000000890A000-memory.dmp

    Filesize

    6.5MB

  • memory/3196-51-0x0000000007C50000-0x0000000007C6A000-memory.dmp

    Filesize

    104KB

  • memory/3196-52-0x0000000007CC0000-0x0000000007CCA000-memory.dmp

    Filesize

    40KB

  • memory/3196-48-0x0000000006F00000-0x0000000006F1E000-memory.dmp

    Filesize

    120KB

  • memory/3196-54-0x0000000007E50000-0x0000000007E61000-memory.dmp

    Filesize

    68KB

  • memory/3196-55-0x0000000007E80000-0x0000000007E8E000-memory.dmp

    Filesize

    56KB

  • memory/3196-56-0x0000000007E90000-0x0000000007EA4000-memory.dmp

    Filesize

    80KB

  • memory/3196-58-0x0000000007F70000-0x0000000007F78000-memory.dmp

    Filesize

    32KB

  • memory/3196-57-0x0000000007F90000-0x0000000007FAA000-memory.dmp

    Filesize

    104KB

  • memory/3196-36-0x0000000006970000-0x00000000069BC000-memory.dmp

    Filesize

    304KB

  • memory/3196-35-0x0000000006940000-0x000000000695E000-memory.dmp

    Filesize

    120KB

  • memory/3196-38-0x0000000070930000-0x000000007097C000-memory.dmp

    Filesize

    304KB

  • memory/3196-23-0x0000000006250000-0x00000000062B6000-memory.dmp

    Filesize

    408KB

  • memory/3196-24-0x00000000062C0000-0x0000000006326000-memory.dmp

    Filesize

    408KB

  • memory/3196-20-0x0000000005350000-0x0000000005386000-memory.dmp

    Filesize

    216KB

  • memory/3196-22-0x00000000060B0000-0x00000000060D2000-memory.dmp

    Filesize

    136KB

  • memory/3196-21-0x0000000005A80000-0x00000000060A8000-memory.dmp

    Filesize

    6.2MB

  • memory/3820-94-0x0000000070930000-0x000000007097C000-memory.dmp

    Filesize

    304KB

  • memory/4304-133-0x0000000006740000-0x00000000067D2000-memory.dmp

    Filesize

    584KB

  • memory/4304-132-0x0000000075470000-0x0000000075C20000-memory.dmp

    Filesize

    7.7MB

  • memory/4304-134-0x0000000006140000-0x000000000614A000-memory.dmp

    Filesize

    40KB

  • memory/4304-131-0x0000000006190000-0x0000000006734000-memory.dmp

    Filesize

    5.6MB

  • memory/4304-135-0x0000000075470000-0x0000000075C20000-memory.dmp

    Filesize

    7.7MB

  • memory/4304-115-0x000000007547E000-0x000000007547F000-memory.dmp

    Filesize

    4KB

  • memory/4304-19-0x0000000005100000-0x000000000519C000-memory.dmp

    Filesize

    624KB

  • memory/4304-18-0x000000007547E000-0x000000007547F000-memory.dmp

    Filesize

    4KB

  • memory/4304-17-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4460-116-0x0000000070930000-0x000000007097C000-memory.dmp

    Filesize

    304KB