Analysis

  • max time kernel
    6s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20240611-en
  • resource tags

    arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30-06-2024 22:01

General

  • Target

    sv.exe

  • Size

    63KB

  • MD5

    c095a62b525e62244cad230e696028cf

  • SHA1

    67232c186d3efe248b540f1f2fe3382770b5074a

  • SHA256

    a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

  • SHA512

    5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0

  • SSDEEP

    1536:unjFXblMp3wgDkbivVSm16KTOKjLIJXc:unrAwgDkbicmbOKj0JM

Malware Config

Extracted

Family

xworm

C2

amount-acceptance.gl.at.ply.gg:7420

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    svhost.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.

  • 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: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sv.exe
    "C:\Users\Admin\AppData\Local\Temp\sv.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2372
    • 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\sv.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'sv.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3728
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4200
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svhost" /tr "C:\ProgramData\svhost.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3016
  • C:\ProgramData\svhost.exe
    C:\ProgramData\svhost.exe
    1⤵
      PID:4196
    • C:\ProgramData\svhost.exe
      C:\ProgramData\svhost.exe
      1⤵
        PID:4856

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Persistence

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Privilege Escalation

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\svhost.exe
        Filesize

        63KB

        MD5

        c095a62b525e62244cad230e696028cf

        SHA1

        67232c186d3efe248b540f1f2fe3382770b5074a

        SHA256

        a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

        SHA512

        5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0

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

        3KB

        MD5

        ad5cd538ca58cb28ede39c108acb5785

        SHA1

        1ae910026f3dbe90ed025e9e96ead2b5399be877

        SHA256

        c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033

        SHA512

        c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13

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

        654B

        MD5

        16c5fce5f7230eea11598ec11ed42862

        SHA1

        75392d4824706090f5e8907eee1059349c927600

        SHA256

        87ba77c13905298acbac72be90949c4fe0755b6eff9777615aa37f252515f151

        SHA512

        153edd6da59beea6cc411ed7383c32916425d6ebb65f04c65aab7c1d6b25443d143aa8449aa92149de0ad8a975f6ecaa60f9f7574536eec6b38fe5fd3a6c6adc

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

        1KB

        MD5

        ae352a26dd1891a604949dc8f6d619dd

        SHA1

        ac4ae2bd5ad621215249eafe3309eadb49b00fee

        SHA256

        6fa1c3c7ba6ab86be0b7a278d5788c0fed5994e1da22e303327b93c4c4c4c767

        SHA512

        fdfd56b4c55d28772c158405557718a306a2ce4e2f637db33dd8aaea687054818db9db9adf10f5fd2184a91f5f1bc7c7baf5b563dfc90073aabab96fe74d50ae

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

        1KB

        MD5

        a75621c0b20e43cd46145ddb40981049

        SHA1

        16c60bbcb07b27511a6282a737b01a52685c705a

        SHA256

        984bd869c5ed652f42ffdd407e70e2db769f3278fe6fefbc6857e778139f594b

        SHA512

        455306f5cb45f7722921fe34b649f784911af00d9f8d6d712b963230d22e16777b4eb4b437419acdf9f186c28446a5deedb4e9f19fa5ba8fba27bec1b1db64a4

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

        1KB

        MD5

        05f6fc5efc3f11dff3aa125a3d0c6ca5

        SHA1

        9174b2fb95da61ae5ca1d7c5b95ff7d61eeaab5b

        SHA256

        f248030da392584f5dae89ddaa0b82c834f2c0323fff31d788cd26b43ee5c98d

        SHA512

        19f1657404273ee5d2609ca45580ed983f53dfc729aadf1f65b1aeb759cbcb50733ca16b2bfe105db2f9e54aa2d0da4295cadb5e4d2c4d25679f44aa2ce499aa

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jxjgdvdz.get.ps1
        Filesize

        1B

        MD5

        c4ca4238a0b923820dcc509a6f75849b

        SHA1

        356a192b7913b04c54574d18c28d46e6395428ab

        SHA256

        6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

        SHA512

        4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

      • memory/2372-187-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp
        Filesize

        9.9MB

      • memory/2372-1-0x0000000000410000-0x0000000000426000-memory.dmp
        Filesize

        88KB

      • memory/2372-0-0x00007FF862F13000-0x00007FF862F14000-memory.dmp
        Filesize

        4KB

      • memory/2372-190-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp
        Filesize

        9.9MB

      • memory/2372-189-0x00000000027C0000-0x00000000027CA000-memory.dmp
        Filesize

        40KB

      • memory/2372-188-0x00007FF862F13000-0x00007FF862F14000-memory.dmp
        Filesize

        4KB

      • memory/4372-10-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp
        Filesize

        9.9MB

      • memory/4372-9-0x000001F79C9A0000-0x000001F79CA16000-memory.dmp
        Filesize

        472KB

      • memory/4372-11-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp
        Filesize

        9.9MB

      • memory/4372-20-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp
        Filesize

        9.9MB

      • memory/4372-41-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp
        Filesize

        9.9MB

      • memory/4372-51-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp
        Filesize

        9.9MB

      • memory/4372-6-0x000001F79C7F0000-0x000001F79C812000-memory.dmp
        Filesize

        136KB

      • memory/4372-52-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp
        Filesize

        9.9MB