Overview

overview

10

Static

static

10

WizClient.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 05:25

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General

  • Target

    WizClient.exe

  • Size

    75KB

  • MD5

    6e9da280e2aebeb8224a0d717ec0cade

  • SHA1

    9899b0a07ee7d77058a6ea10d0175da91a7c108c

  • SHA256

    99232a515ecf97e955c7670fc968197b580a4c9da436af31e3cea5f0455cef7d

  • SHA512

    0c079f8f00a87830bd57b0a0484c9667b1c058baeb120ac3fd2b47cd0f46efd5af77b2c99ec49eed820239105c73d93eab13f70ce37684d4a72d777a0c8eb25c

  • SSDEEP

    1536:naEEjYy8YeKyLqKiyrJHkkhubz4zFYG+yHP66TsgOldgtF:aEVHk2ubzLSsgOldQF

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

programme-garden.gl.at.ply.gg:42957

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 8 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\WizClient.exe
    "C:\Users\Admin\AppData\Local\Temp\WizClient.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2396
    • 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\WizClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5032
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WizClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:980
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\WizClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1124
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WizClient" /tr "C:\ProgramData\WizClient.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1392
  • 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:3344
  • C:\ProgramData\WizClient.exe
    C:\ProgramData\WizClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2400

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\ProgramData\WizClient.exe
    Filesize

    75KB

    MD5

    6e9da280e2aebeb8224a0d717ec0cade

    SHA1

    9899b0a07ee7d77058a6ea10d0175da91a7c108c

    SHA256

    99232a515ecf97e955c7670fc968197b580a4c9da436af31e3cea5f0455cef7d

    SHA512

    0c079f8f00a87830bd57b0a0484c9667b1c058baeb120ac3fd2b47cd0f46efd5af77b2c99ec49eed820239105c73d93eab13f70ce37684d4a72d777a0c8eb25c

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

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    944B

    MD5

    2e907f77659a6601fcc408274894da2e

    SHA1

    9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

    SHA256

    385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

    SHA512

    34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

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

    944B

    MD5

    d0a40a2d16d62c60994d5bb5624a589b

    SHA1

    30f0a77f10518a09d83e6185d6c4cde23e4de8af

    SHA256

    c213a4024e89a0240d0b1fa3b18ea3db3db7bbe7ca1bdeed86dce9c2c4991ef8

    SHA512

    cecef5087f194a83948880e36445324406218f6877386d6db7850b8f97ac107e042ea9445bb7e73c6e6a2c7da9782b7dae8caba0a1c997677d096b3271a4cac0

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pqk4psbk.ey5.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WizClient.lnk
    Filesize

    682B

    MD5

    b106cb54b75a53232b7d4b0f8697c7c6

    SHA1

    b7fa69dc95c45ba6e867de8f0e8d2bb9ec6ce71b

    SHA256

    aa4bd31f9762ee9b212d1fce00eb36d2ed75dd18dc3c99ba115f7c140c27e50e

    SHA512

    21707cddb8ebff59255f7160cc385b5e515ae2586bff6450b644772a13909fbfdea201f7f2f06fdead57cd4111448ca00a457fd8701b66600c5e613d34f52688

    Download Submit
  • memory/2396-1-0x0000000000490000-0x00000000004A8000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2396-2-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/2396-0-0x00007FF8010B3000-0x00007FF8010B5000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2396-51-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/2396-50-0x00007FF8010B3000-0x00007FF8010B5000-memory.dmp
    Filesize

    8KB

    Download
  • memory/3344-64-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-61-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-58-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-59-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-52-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-53-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-54-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-60-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-63-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3344-62-0x0000028F3CCE0000-0x0000028F3CCE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/5032-18-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/5032-8-0x0000024BB5C30000-0x0000024BB5C52000-memory.dmp
    Filesize

    136KB

    Download
  • memory/5032-14-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/5032-15-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/5032-13-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp
    Filesize

    10.8MB

    Download