df273ba078021ddc30f1e09987791e3385af87a0cc517ff591e3cf6d55a3609e

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/10/2026, 02:49

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General

Target
CVE-2020-1350-master/Fix.bat
Size 170B
Sample261027-da9a6axy7n
SHA256 df273ba078021ddc30f1e09987791e3385af87a0cc517ff591e3cf6d55a3609e
MD5 4ad32b22ff9f467d0083186c2ac045af
SHA1 832761669729c9b977180096600739c93435d97f
SHA512 d73a9924bdcff01d41bbfc89747caefafc40fcc1ceacb7eeb3584acdec713ec1e649f53bd23a7389a9c5ec6173ea23cda508c5862fe6b8c0f320b9a01f00f473
TLSH
T1E7C0C01688130151407001022BB2D260373D50C32045CBC6089D070311CFC23004F398
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
2660	cmd.exe

Runs net.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 3208	2660	cmd.exe	85
PID 2660 wrote to memory of 548	2660	cmd.exe	86
PID 548 wrote to memory of 4304	548	net.exe	87

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\CVE-2020-1350-master\Fix.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\system32\reg.exe
  reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\Parameters" /v "TcpReceivePacketSize" /t REG_DWORD /d 0xFF00 /f
  2⤵
  PID:3208
- C:\Windows\system32\net.exe
  net stop DNS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:548
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop DNS
    3⤵
    PID:4304

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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