90f157c99308fb56084227d0dbd68fb272f4ecdc2a6c30cc174d39cc4d1dd540

Analysis

max time kernel
129s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
24/03/2022, 16:58

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General

Target
documentos transferencia.js
Size 1KB
Sample220324-vgvvsagdek
SHA256 90f157c99308fb56084227d0dbd68fb272f4ecdc2a6c30cc174d39cc4d1dd540
MD5 3cf68f0b6132dc80f63f25f488a7822f
SHA1 58cb57caf9d1a10926e3b70a3bc8726f3cbf6f97
SHA512 377c1887756d3f6cd3d9633e302ac3dbcadadaa3c6d65d8d49a8051eb40fc87f5c7efcf13e768719a6359b2680a052acd38777d3e10e6276552806aa424118d0
MD5 SHA1 SHA512

Score

10^/10

suricata

Malware Config

Signatures

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Blocklisted process makes network request 1 IoCs

flow	pid	Process
29	3828	wscript.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3288	rt.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Control Panel\International\Geo\Nation	wscript.exe

Loads dropped DLL 2 IoCs

pid	Process
3288	rt.exe
3288	rt.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 3288	3828	wscript.exe	85
PID 3828 wrote to memory of 3288	3828	wscript.exe	85
PID 3828 wrote to memory of 3288	3828	wscript.exe	85

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\documentos transferencia.js"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Users\Admin\AppData\Local\Temp\rt.exe
  "C:\Users\Admin\AppData\Local\Temp\rt.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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