Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 21:30

General

  • Target

    hdgskhajdas.exe

  • Size

    76KB

  • MD5

    aa8bcf0e83ab2a2af7ce39875fd20fbe

  • SHA1

    c55ad41b192f90ca53a42ecf04db5765313ac87d

  • SHA256

    83987f4b73cdd5039147a00ee7340b05edf3d672d07e848085ec29a328173585

  • SHA512

    9dc8b2958fb7fb42a7843ad4d1a7a9c08f3e17f12c1b44ffb3b2a2a07d49d8389cbcc3ff3bbd6a52c95d4856e1721c66ceffc2ca22473f373ff070cc21ed6700

  • SSDEEP

    1536:Fi2fm7411REAwgc2/HbYftO9Y7bIKkYY+qdko76b+O1NdP0hX:DE/J6y7bIKk1Pdkp+OTdY

Malware Config

Extracted

Family

xworm

C2

147.185.221.21:4825

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    EpicGamesLauncher.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 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 use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\hdgskhajdas.exe
    "C:\Users\Admin\AppData\Local\Temp\hdgskhajdas.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\hdgskhajdas.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:740
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'hdgskhajdas.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2932
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\EpicGamesLauncher.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1648
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'EpicGamesLauncher.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4976
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "EpicGamesLauncher" /tr "C:\ProgramData\EpicGamesLauncher.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4380
  • C:\ProgramData\EpicGamesLauncher.exe
    C:\ProgramData\EpicGamesLauncher.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3536
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3032
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4196
    • C:\Users\Admin\AppData\Local\Temp\hdgskhajdas.exe
      "C:\Users\Admin\AppData\Local\Temp\hdgskhajdas.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4412
    • C:\ProgramData\EpicGamesLauncher.exe
      C:\ProgramData\EpicGamesLauncher.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1076
    • C:\Users\Admin\AppData\Local\Temp\hdgskhajdas.exe
      "C:\Users\Admin\AppData\Local\Temp\hdgskhajdas.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2288

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\ProgramData\EpicGamesLauncher.exe

            Filesize

            76KB

            MD5

            aa8bcf0e83ab2a2af7ce39875fd20fbe

            SHA1

            c55ad41b192f90ca53a42ecf04db5765313ac87d

            SHA256

            83987f4b73cdd5039147a00ee7340b05edf3d672d07e848085ec29a328173585

            SHA512

            9dc8b2958fb7fb42a7843ad4d1a7a9c08f3e17f12c1b44ffb3b2a2a07d49d8389cbcc3ff3bbd6a52c95d4856e1721c66ceffc2ca22473f373ff070cc21ed6700

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

            Filesize

            654B

            MD5

            2ff39f6c7249774be85fd60a8f9a245e

            SHA1

            684ff36b31aedc1e587c8496c02722c6698c1c4e

            SHA256

            e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

            SHA512

            1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

            Filesize

            2KB

            MD5

            750e4be22a6fdadd7778a388198a9ee3

            SHA1

            8feb2054d8a3767833dd972535df54f0c3ab6648

            SHA256

            26209c196c9c45202d27468ea707b2b46f375bb612d50271924a28f9210df6a1

            SHA512

            b0415087dfc32908b449b876b395a607698b0f7b72031916b6fe7c002e4b163ba318b7e85c8ce41f007429e666974c04967bc14345e3f4614e34d94f5c8ae804

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

            Filesize

            944B

            MD5

            23d57569dab03234d2f82868dcd3c07e

            SHA1

            dc814b3a3e4493390ff7f7a48d88f0d12362af1b

            SHA256

            388c5c9ddb7476787c02a83d2fe6473082518d40d4cc4d8c224e78ca4bf442ff

            SHA512

            f0e654e1bc87c4901860d4174610451fb945a012a3c41e44f4cd688cbb8c3971555ce2993853f989403f1f515bca1fe9896ccf0ef78ce7ef1b1c6596c48b133f

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

            Filesize

            944B

            MD5

            eb1ad317bd25b55b2bbdce8a28a74a94

            SHA1

            98a3978be4d10d62e7411946474579ee5bdc5ea6

            SHA256

            9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

            SHA512

            d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

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

            Filesize

            944B

            MD5

            da185fddf7e751e39023edde12930f37

            SHA1

            657fcb7fda401b69d3bb97e7b6abf126ac36d4b2

            SHA256

            8928226805a92acd76d21e1a276176d9af3ca1ec31f14e45a2b4b88f4722cad5

            SHA512

            db7bc02a1bd86d587840a56334dee9cb80aa0a8635cd2eb1c490bc5466659350de4d625f320731e34fac235016515d0dddc05a6081149dc6c2e82c262be6b975

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pfsuvtdn.czy.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/740-14-0x00007FFA14ED0000-0x00007FFA15991000-memory.dmp

            Filesize

            10.8MB

          • memory/740-3-0x00007FFA14ED0000-0x00007FFA15991000-memory.dmp

            Filesize

            10.8MB

          • memory/740-15-0x000001B3EB260000-0x000001B3EB282000-memory.dmp

            Filesize

            136KB

          • memory/740-18-0x00007FFA14ED0000-0x00007FFA15991000-memory.dmp

            Filesize

            10.8MB

          • memory/740-4-0x00007FFA14ED0000-0x00007FFA15991000-memory.dmp

            Filesize

            10.8MB

          • memory/3032-59-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-71-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-68-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-69-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-70-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-60-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-61-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-67-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-66-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/3032-65-0x000001D157170000-0x000001D157171000-memory.dmp

            Filesize

            4KB

          • memory/4424-0-0x00007FFA14ED3000-0x00007FFA14ED5000-memory.dmp

            Filesize

            8KB

          • memory/4424-2-0x00007FFA14ED0000-0x00007FFA15991000-memory.dmp

            Filesize

            10.8MB

          • memory/4424-55-0x00007FFA14ED0000-0x00007FFA15991000-memory.dmp

            Filesize

            10.8MB

          • memory/4424-1-0x00000000006F0000-0x000000000070A000-memory.dmp

            Filesize

            104KB

          • memory/4976-53-0x000001B7403F0000-0x000001B74060C000-memory.dmp

            Filesize

            2.1MB