6c16211debdf481954de00072b1de8307402957c27d67d1a583724e0edfff7f6

Analysis

user interaction
yes
max time kernel
149s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
26/10/2026, 17:51

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General

Target
patch.bat
Size 3KB
Sample261026-wfktvsysdz
SHA256 6c16211debdf481954de00072b1de8307402957c27d67d1a583724e0edfff7f6
MD5 b5d6c7e6d0fffd53dc6e4c41c5bee8f0
SHA1 89f31cf3cc7e77110f3255b05f3553f7edd769c0
SHA512 c498f5b7e94c85632c1249faa4abfff52245c64131ac42bbb5e3b6cf0f083a64a92ed71456ad9f153484a161431d3ab25b3650cd1fa406c654362fe8f33ecb78
TLSH
T1F5610D6070A6CBDE51B3AB7AF52261FBF914008F05084F9435CEA296CFB950F999D38C
MD5 SHA1 SHA512 TLSH

Score

6^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3376	powershell.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Maxon ZBrush 2026\ZBrush.exe	powershell.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1568	cmd.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3376	powershell.exe
3376	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3376	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 3388	1568	cmd.exe	90
PID 3388 wrote to memory of 3588	3388	net.exe	91
PID 1568 wrote to memory of 3376	1568	cmd.exe	92

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\patch.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3388
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:3588
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -NoProfile -ExecutionPolicy Bypass -Command $myfile = 'C:\Program Files\Maxon ZBrush 2026\ZBrush.exe'; [uint32[]]$offsets = @( 0x006D755D, 0x006DE740, 0x006DE7C6, 0x006DE7CB, 0x00AD47C2, 0x00AD47DE, 0x00AD47E3, 0x00E325A3, 0x0D9FD44B ); [byte[][]]$byteArrays = @( [byte[]]@(0xF7, 0x1D), [byte[]]@(0x00), [byte[]]@(0x05), [byte[]]@(0x2D), [byte[]]@(0x01), [byte[]]@(0x00), [byte[]]@(0x00), [byte[]]@(0xFF), [byte[]]@(0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3) ); function Log-Message { param([string]$Message, [string]$Level = 'INFO'); $timestamp = Get-Date -Format 'yyyy-MM-dd HH:mm:ss'; Write-Host $timestamp $Level $Message; }; Log-Message '=== Binary File Modifier Started ===' 'START'; Log-Message "\"Target file: $myfile\"" 'INFO'; $fileInfo = Get-Item $myfile; Log-Message "\"File size: $($fileInfo.Length) bytes\"" 'INFO'; try { $fileStream = [System.IO.File]::Open($myfile, [System.IO.FileMode]::Open, [System.IO.FileAccess]::ReadWrite); $successCount = 0; $skipCount = 0; for ($i = 0; $i -lt $offsets.Count; $i++) { $offset = $offsets[$i]; $bytes = $byteArrays[$i]; $endOffset = $offset + $bytes.Count; if ($endOffset -le $fileStream.Length) { $fileStream.Seek($offset, [System.IO.SeekOrigin]::Begin); $fileStream.Write($bytes, 0, $bytes.Count); $successCount++; } else { $skipCount++; }; }; $fileStream.Close(); Log-Message "\"Modification completed - Success: $successCount, Skipped: $skipCount\"" 'COMPLETE'; Log-Message '=== Binary File Modifier Finished ===' 'END'; } catch { Log-Message "\"Exception: $($_.Exception.Message)\"" 'ERROR'; if ($fileStream) { $fileStream.Close(); }; exit 1; }
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3376

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3376-0-0x000002304459C000-0x000002304459D000-memory.dmp

Download

memory/3376-1-0x00000230448B0000-0x00000230448D2000-memory.dmp

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memory/3376-2-0x0000023043E00000-0x00000230447A4000-memory.dmp

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memory/3376-5-0x0000023043E00000-0x00000230447A4000-memory.dmp

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memory/3376-6-0x0000023043E00000-0x00000230447A4000-memory.dmp

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memory/3376-7-0x0000023043E00000-0x00000230447A4000-memory.dmp

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memory/3376-8-0x0000023043E00000-0x00000230447A4000-memory.dmp

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memory/3376-9-0x0000023043E00000-0x00000230447A4000-memory.dmp

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memory/3376-10-0x0000023043E00000-0x00000230447A4000-memory.dmp

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memory/3376-11-0x0000023043E00000-0x00000230447A4000-memory.dmp

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memory/3376-14-0x0000023043E00000-0x00000230447A4000-memory.dmp

Download