6c16211debdf481954de00072b1de8307402957c27d67d1a583724e0edfff7f6

Analysis

max time kernel
149s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
17/05/2026, 21:38

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General

Target
patch.bat
Size 3KB
Sample260517-1hatwsds2y
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
3036	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

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3036	powershell.exe
3036	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 1892	3992	cmd.exe	81
PID 1892 wrote to memory of 4588	1892	net.exe	82
PID 3992 wrote to memory of 3036	3992	cmd.exe	83

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\patch.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:4588
- 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:3036

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_uyp1qkxw.cls.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uyp1qkxw.cls.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3036-0-0x0000025925010000-0x0000025925020000-memory.dmp

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memory/3036-1-0x0000025925010000-0x0000025925020000-memory.dmp

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memory/3036-2-0x00000259270C0000-0x00000259270E2000-memory.dmp

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