64b4485d72dbc3d1c853a117da52c9c670af0ebea9547564bd8deaaff7b8838b

Analysis

max time kernel
148s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 18:15

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General

Target
INSTALAR.bat
Size 1KB
Sample260804-wvvmlsvsat
SHA256 64b4485d72dbc3d1c853a117da52c9c670af0ebea9547564bd8deaaff7b8838b
MD5 14fc3d13429ea75a9d0dfc6265db9d1b
SHA1 d0aa326ccb5a01ac551e3dda6c5fbe562fa80b8e
SHA512 9a27a7bec0d1d8314ea2236ff26c0113d4c8263f4248f0214f1f89c0e30f69826cf973954042c0e2e311c6b0e1a08ffdfddced8696a602bf8890411f04d908b1
TLSH
T1F84131EB739C8063F6B206AFAF89916F741BA0630889D9DD34454030548F3446BFAAC3
MD5 SHA1 SHA512 TLSH

Score

8^/10

execution

Malware Config

Signatures

Downloads MZ/PE file 1 IoCs

flow	pid	Process
2	832	curl.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
4372	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 832	4372	cmd.exe	90
PID 4372 wrote to memory of 4208	4372	cmd.exe	91

cURL User-Agent 1 IoCs

Uses User-Agent string associated with cURL utility.

description	flow	ioc
HTTP User-Agent header	2	curl/8.8.0

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\INSTALAR.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Windows\System32\curl.exe
  "C:\Windows\System32\curl.exe" -L --fail --progress-bar -o "C:\Users\Admin\AppData\Local\Temp\bin\gallery-dl.exe" "https://rmqirmbxawfwyrwkvndz.supabase.co/storage/v1/object/public/vbot/gallery-dl.exe"
  2⤵
  - Downloads MZ/PE file
  PID:832
- C:\Windows\System32\curl.exe
  "C:\Windows\System32\curl.exe" -L --fail --progress-bar -o "C:\Users\Admin\AppData\Local\Temp\ffmpeg-vbot.zip" "https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-essentials.zip"
  2⤵
  PID:4208

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