4052e172f464235c9b33bcefd63965250a592f11129d0dee032942db3453cae3

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260911-en
resource tags

arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
16/09/2026, 22:43

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General

Target
OptiScaler/Streamlined_fetcher_windows.bat
Size 3KB
Sample260916-2nhmcsfb96
SHA256 4052e172f464235c9b33bcefd63965250a592f11129d0dee032942db3453cae3
MD5 529508c46f3b216a8e8d3fb9149f262b
SHA1 09c6d81272542b7a796a78a277f29c90d82eb37e
SHA512 a1b67692d905c60b3eeb4a29489d1b2149c2739a2d85c3ad69f10693233a0898db22e13deb44e63cc9261a282d4aaadcf1c6c3cf6c60245a78b4e480a01dd822
TLSH
T176618656794BA03A20B18F22EF680915F559D2CF05189E8CB57340AC3B323E179FD6BB
MD5 SHA1 SHA512 TLSH

Score

3^/10

execution

Malware Config

Signatures

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
4396	cmd.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 3600	4396	cmd.exe	80

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\OptiScaler\Streamlined_fetcher_windows.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\system32\choice.exe
  choice /c 12 /n /m "Select an option (1 or 2): "
  2⤵
  PID:3600

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads