294dc2554b7d979dcf06bc69a69b43aebb79750ceb260644608d376a08b36a9f

Analysis

max time kernel
149s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
19/04/2026, 04:25

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General

Target
EsoBR/doublenames.lua
Size 9KB
Sample260419-e2fnlahw41
SHA256 294dc2554b7d979dcf06bc69a69b43aebb79750ceb260644608d376a08b36a9f
MD5 73406c107a5eb9249aef68d35948d891
SHA1 0d3ed6de5471d45e652b7136c126e6f179a19873
SHA512 c3c63aade9c01c276b111cdcc435408a46be0303826842141c433dba4f325feb3bcf46fd8c9af28ae6a5c8bc8b112f0c099ecbd499c1b6cace0a138f87bd1ba8
SSDEEP 192:Ken+BTUxf7ZzHi1VBrc97xrENFFBs1fbPEWyPLmFFxwFqtIT/Q2WzQi8LVeZ1213:Ken+BTUxf7NHi1VBrc99r+FFBcIWyPL3
TLSH
T158121F2C329F29416A8A3178C1374F8BBD1DC43166AD03D5F0D994A8B852B5EC4FBF68
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\Local Settings	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1464	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\EsoBR\doublenames.lua
1⤵
- Modifies registry class
PID:4320

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1464

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1464-1-0x0000025763190000-0x0000025763233000-memory.dmp

Download

memory/4320-0-0x00000147B7740000-0x00000147B77EF000-memory.dmp