Analysis

  • max time kernel
    35s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 15:12

General

  • Target

    Gbeta.exe

  • Size

    620KB

  • MD5

    a80fd81703b974b03a3e665d9e1a8f81

  • SHA1

    13230cc88893ba287d975caa02464f306dc0a2e1

  • SHA256

    e14916b5552020906ba0c25450f9dcb0c5ab6bcf58d5042c26edde8c6289a1d8

  • SHA512

    198e3dbd8122dfcf4eb3b3dc0da0d382b7ce686e50f5ff9eda031ed1cee54b89f99adbcdd8b5fc3147394c774345ad21f2d0e2943c73847a61c6b51da06cdc4f

  • SSDEEP

    1536:xDOptR2uwOmSyGoiBrhAj9OvGJbN+iBa0aQT76+ueOWOiJf6zjjjZSE4MMMzTXqB:xKptdvmSLx5gbwzQTNueOWOiYLgSni

Malware Config

Extracted

Family

xworm

C2

valid-saint.gl.at.ply.gg:23570

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    GBeta.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.

  • Drops startup file 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.

  • 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 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 46 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\Gbeta.exe
    "C:\Users\Admin\AppData\Local\Temp\Gbeta.exe"
    1⤵
    • Checks computer location settings
    • 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:3248
    • 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\Gbeta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4340
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Gbeta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3768
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\GBeta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:636
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'GBeta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4420
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "GBeta" /tr "C:\ProgramData\GBeta.exe"
      2⤵
      • Creates scheduled task(s)
      PID:4468
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\GBeta.exe

    Filesize

    620KB

    MD5

    a80fd81703b974b03a3e665d9e1a8f81

    SHA1

    13230cc88893ba287d975caa02464f306dc0a2e1

    SHA256

    e14916b5552020906ba0c25450f9dcb0c5ab6bcf58d5042c26edde8c6289a1d8

    SHA512

    198e3dbd8122dfcf4eb3b3dc0da0d382b7ce686e50f5ff9eda031ed1cee54b89f99adbcdd8b5fc3147394c774345ad21f2d0e2943c73847a61c6b51da06cdc4f

  • 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\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    2e907f77659a6601fcc408274894da2e

    SHA1

    9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

    SHA256

    385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

    SHA512

    34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

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

    Filesize

    944B

    MD5

    15dde0683cd1ca19785d7262f554ba93

    SHA1

    d039c577e438546d10ac64837b05da480d06bf69

    SHA256

    d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

    SHA512

    57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

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

    Filesize

    944B

    MD5

    22310ad6749d8cc38284aa616efcd100

    SHA1

    440ef4a0a53bfa7c83fe84326a1dff4326dcb515

    SHA256

    55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

    SHA512

    2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rpls41a4.0th.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GBeta.lnk

    Filesize

    658B

    MD5

    b7a8e232a2d1c83fa89fe01b161adcaf

    SHA1

    57f068dbbe9cb1f2ed461853a687aa5493e0aedc

    SHA256

    ee5bf60072f929a07f91b9987a6a70d5fc4b3d89787e6504952c0ef4cdde02bd

    SHA512

    a4e9e701e985ea0bb7b2fb941505d4a29d3e072da8bb82c1e7e4c7ccc26792921bd08ecd2f32ae299c6e2cc8c3e7850e051c07b95ae1fff6d6e15c37ae6c976c

  • memory/3248-69-0x00007FF83DF30000-0x00007FF83E9F1000-memory.dmp

    Filesize

    10.8MB

  • memory/3248-68-0x00007FF83DF33000-0x00007FF83DF35000-memory.dmp

    Filesize

    8KB

  • memory/3248-0-0x00007FF83DF33000-0x00007FF83DF35000-memory.dmp

    Filesize

    8KB

  • memory/3248-2-0x00007FF83DF30000-0x00007FF83E9F1000-memory.dmp

    Filesize

    10.8MB

  • memory/3248-1-0x0000000000D70000-0x0000000000E10000-memory.dmp

    Filesize

    640KB

  • memory/4340-3-0x0000020405B70000-0x0000020405B92000-memory.dmp

    Filesize

    136KB

  • memory/4580-17-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-21-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-22-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-23-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-24-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-25-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-26-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-27-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-15-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB

  • memory/4580-16-0x000001A45DF80000-0x000001A45DF81000-memory.dmp

    Filesize

    4KB