Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 14:18

General

  • Target

    2031gojosatoru.exe

  • Size

    79KB

  • MD5

    f686daf477cd61c3eb72515148c22e05

  • SHA1

    a3689bf018dd135b924a4a98f82613ea2cc83b3a

  • SHA256

    552395ebc69975a174f299e3fac4909585eda51ed1554281165ba640f53f9679

  • SHA512

    cd6af2ebccfb7671965c255ad54f0e651c2c1f6ffb9ce832f39ac8998adb2bae42df6251730be2c884d75485890c30801d173675259e113b30c782ec7cccf153

  • SSDEEP

    1536:cqdGeH5wKOnDvi9r3JP7FiXqbU4s29iobdAJ6QOBWoFEBqPoUC:iP9D4317FkqbUzKdWOBWoF6Hj

Malware Config

Extracted

Family

xworm

C2

19.ip.gl.ply.gg:45758

ads-enabled.gl.at.ply.gg:45758

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 4 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 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\2031gojosatoru.exe
    "C:\Users\Admin\AppData\Local\Temp\2031gojosatoru.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:844
    • 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\2031gojosatoru.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2031gojosatoru.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • 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\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1988
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Creates scheduled task(s)
      PID:2732
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5739FB93-B851-4677-BE9B-512D5C3904EE} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      C:\Users\Admin\AppData\Roaming\XClient.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1464
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      C:\Users\Admin\AppData\Roaming\XClient.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    7KB

    MD5

    626af0e903f4ff908da9b0a6fc9d00a0

    SHA1

    98f2cc7c098af09335ffd4630cfafbd007d9c372

    SHA256

    bcad460fa734ba0cf78749fce75d34a22868df67255bf604a4029d39d77f91cb

    SHA512

    a819df9e69925f3d151d038b2703530b8d620d6ed5e76dc95244fb7cb16c74e00d48b3f4906225ed16c07a8f3714a4391c9df45b6c4a518526bcc6eb4aca953f

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

    Filesize

    79KB

    MD5

    f686daf477cd61c3eb72515148c22e05

    SHA1

    a3689bf018dd135b924a4a98f82613ea2cc83b3a

    SHA256

    552395ebc69975a174f299e3fac4909585eda51ed1554281165ba640f53f9679

    SHA512

    cd6af2ebccfb7671965c255ad54f0e651c2c1f6ffb9ce832f39ac8998adb2bae42df6251730be2c884d75485890c30801d173675259e113b30c782ec7cccf153

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/844-33-0x000007FEF5CB3000-0x000007FEF5CB4000-memory.dmp

    Filesize

    4KB

  • memory/844-1-0x0000000000900000-0x000000000091A000-memory.dmp

    Filesize

    104KB

  • memory/844-0-0x000007FEF5CB3000-0x000007FEF5CB4000-memory.dmp

    Filesize

    4KB

  • memory/844-34-0x000000001B140000-0x000000001B1C0000-memory.dmp

    Filesize

    512KB

  • memory/844-32-0x000000001B140000-0x000000001B1C0000-memory.dmp

    Filesize

    512KB

  • memory/1464-38-0x00000000003E0000-0x00000000003FA000-memory.dmp

    Filesize

    104KB

  • memory/1468-41-0x0000000000E00000-0x0000000000E1A000-memory.dmp

    Filesize

    104KB

  • memory/2624-14-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

    Filesize

    2.9MB

  • memory/2624-15-0x0000000002920000-0x0000000002928000-memory.dmp

    Filesize

    32KB

  • memory/3044-8-0x0000000001D90000-0x0000000001D98000-memory.dmp

    Filesize

    32KB

  • memory/3044-7-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

    Filesize

    2.9MB

  • memory/3044-6-0x00000000029E0000-0x0000000002A60000-memory.dmp

    Filesize

    512KB