Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2024 11:29

General

  • Target

    scvhost.exe

  • Size

    61KB

  • MD5

    409c4205d1119c67e3ed65c16f9b71c7

  • SHA1

    2dd6c500f1bc16e59764cd1ac13642463efa52e7

  • SHA256

    924d8102157fd6dbcda4cac2b035be62d8aeeb3e3d8d5bea167989a33d0141fd

  • SHA512

    1de55f5dd34b546078130cb5619295113200d7fc254ef32573db256ece2ebc89181ff0cb92900617728f04a11d688d9b4bbd32b3152d1a66c9d93a206d1d135d

  • SSDEEP

    768:gDifR2nzIdDiIp2PhtWZRYs/b1NnW9bnj5jWzNd6RuhO0utthei4Jq8Z:d2sdgh4b/b7835aJd6gO0at43J9

Malware Config

Extracted

Family

xworm

C2

gift-scientists.gl.at.ply.gg:20443

Attributes
  • Install_directory

    %AppData%

  • install_file

    scvhost.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
  • Enumerates physical storage devices 1 TTPs

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

  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 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\scvhost.exe
    "C:\Users\Admin\AppData\Local\Temp\scvhost.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3272
    • 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\scvhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4476
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'scvhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2216
    • 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\Roaming\scvhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4404
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'scvhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4708
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "scvhost" /tr "C:\Users\Admin\AppData\Roaming\scvhost.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2976
  • C:\Users\Admin\AppData\Roaming\scvhost.exe
    C:\Users\Admin\AppData\Roaming\scvhost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1188
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3628
    • C:\Users\Admin\AppData\Roaming\scvhost.exe
      C:\Users\Admin\AppData\Roaming\scvhost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

      Filesize

      654B

      MD5

      2ff39f6c7249774be85fd60a8f9a245e

      SHA1

      684ff36b31aedc1e587c8496c02722c6698c1c4e

      SHA256

      e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

      SHA512

      1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

      Filesize

      944B

      MD5

      62623d22bd9e037191765d5083ce16a3

      SHA1

      4a07da6872672f715a4780513d95ed8ddeefd259

      SHA256

      95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

      SHA512

      9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

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

      Filesize

      944B

      MD5

      205f6010c033eefc37d63d8ce846bce4

      SHA1

      417b1aabb447765a2aa149529a1f4f52ded194ea

      SHA256

      993dbee9fb487dbdff56c09a1df360ea68b583bd8b28b2c315ec9d92639f3697

      SHA512

      c6bbd60c82ffbc3297d1d355ab3c6692de97da0b3bdd60ea4aacec6d27d360341cefa11a4411d7b8877d54d1177b48f4dc003e2a391031cc1a304b177689bfaf

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

      Filesize

      944B

      MD5

      f5ea6e485a296269f874f3d12709ce50

      SHA1

      c73e5adec8ceef00e49e0f51d382b990fc5b4d4c

      SHA256

      980d5cc1b33f9995ce40b593bac646373b613070e5ca6da2c297c5fb8c1f28c3

      SHA512

      09e3083c712ae875d1dae3d4c903e96e6f5e97f5a15d4301319d3f6f63b2e704ce1b728704fd4ada7f0c26b782b05b551f961db8775f7527b1b1b224e7478659

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_31opntaf.qx5.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      61KB

      MD5

      409c4205d1119c67e3ed65c16f9b71c7

      SHA1

      2dd6c500f1bc16e59764cd1ac13642463efa52e7

      SHA256

      924d8102157fd6dbcda4cac2b035be62d8aeeb3e3d8d5bea167989a33d0141fd

      SHA512

      1de55f5dd34b546078130cb5619295113200d7fc254ef32573db256ece2ebc89181ff0cb92900617728f04a11d688d9b4bbd32b3152d1a66c9d93a206d1d135d

    • memory/3272-1-0x0000000000AA0000-0x0000000000AB6000-memory.dmp

      Filesize

      88KB

    • memory/3272-0-0x00007FFA36593000-0x00007FFA36595000-memory.dmp

      Filesize

      8KB

    • memory/3272-60-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

      Filesize

      10.8MB

    • memory/3272-56-0x00007FFA36593000-0x00007FFA36595000-memory.dmp

      Filesize

      8KB

    • memory/3272-55-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

      Filesize

      10.8MB

    • memory/4476-12-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

      Filesize

      10.8MB

    • memory/4476-19-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

      Filesize

      10.8MB

    • memory/4476-16-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

      Filesize

      10.8MB

    • memory/4476-15-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

      Filesize

      10.8MB

    • memory/4476-14-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

      Filesize

      10.8MB

    • memory/4476-13-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

      Filesize

      10.8MB

    • memory/4476-2-0x0000026F981A0000-0x0000026F981C2000-memory.dmp

      Filesize

      136KB