Analysis

  • max time kernel
    65s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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 3 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.

  • Executes dropped EXE 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 18 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⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1252
    • 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:2296
    • 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:2608
    • 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:2736
    • 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:264
    • 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:2004
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2824
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {102AA688-8D4D-4E37-A2B5-F1A3961AB618} S-1-5-21-39690363-730359138-1046745555-1000:EILATWEW\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Users\Admin\AppData\Roaming\scvhost.exe
        C:\Users\Admin\AppData\Roaming\scvhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1584

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      dbc20fee0125584009d8709f620b7764

      SHA1

      c376d243dd954918c46c8119c59ad1ecc4df9da2

      SHA256

      235ef57319d903c4d01f0ee5a1af4779e1306d35b4a8036bad093d0256e7f8d1

      SHA512

      2174cc258f0e2cc935d34978d756948b8c0b48bb38fb6063adc4c42d66b35e83666ad21e4d77e739b93d9b5bb58d794b5449f36e46da0b84cb2bcb4a7214102a

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

      Filesize

      61KB

      MD5

      409c4205d1119c67e3ed65c16f9b71c7

      SHA1

      2dd6c500f1bc16e59764cd1ac13642463efa52e7

      SHA256

      924d8102157fd6dbcda4cac2b035be62d8aeeb3e3d8d5bea167989a33d0141fd

      SHA512

      1de55f5dd34b546078130cb5619295113200d7fc254ef32573db256ece2ebc89181ff0cb92900617728f04a11d688d9b4bbd32b3152d1a66c9d93a206d1d135d

    • \??\PIPE\srvsvc

      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • memory/1252-28-0x000000001B390000-0x000000001B410000-memory.dmp

      Filesize

      512KB

    • memory/1252-1-0x00000000003B0000-0x00000000003C6000-memory.dmp

      Filesize

      88KB

    • memory/1252-0-0x000007FEF6023000-0x000007FEF6024000-memory.dmp

      Filesize

      4KB

    • memory/1252-30-0x000000001B390000-0x000000001B410000-memory.dmp

      Filesize

      512KB

    • memory/1252-29-0x000007FEF6023000-0x000007FEF6024000-memory.dmp

      Filesize

      4KB

    • memory/1584-34-0x0000000000920000-0x0000000000936000-memory.dmp

      Filesize

      88KB

    • memory/2296-7-0x000000001B390000-0x000000001B672000-memory.dmp

      Filesize

      2.9MB

    • memory/2296-8-0x0000000001F20000-0x0000000001F28000-memory.dmp

      Filesize

      32KB

    • memory/2296-6-0x0000000002650000-0x00000000026D0000-memory.dmp

      Filesize

      512KB

    • memory/2608-15-0x0000000001F40000-0x0000000001F48000-memory.dmp

      Filesize

      32KB

    • memory/2608-14-0x000000001B380000-0x000000001B662000-memory.dmp

      Filesize

      2.9MB