Malware Analysis Report

2025-06-16 06:24

Sample ID 250605-jakkpadr8w
Target e1a20376b4ea760fbd8464eebf9e85ac4be7fecb26e88a1f472b6e101ddaf0ba
SHA256 e1a20376b4ea760fbd8464eebf9e85ac4be7fecb26e88a1f472b6e101ddaf0ba
Tags
cosmu discovery worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e1a20376b4ea760fbd8464eebf9e85ac4be7fecb26e88a1f472b6e101ddaf0ba

Threat Level: Known bad

The file e1a20376b4ea760fbd8464eebf9e85ac4be7fecb26e88a1f472b6e101ddaf0ba was found to be: Known bad.

Malicious Activity Summary

cosmu discovery worm

Cosmu

Cosmu family

Detects Cosmu payload

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-06-05 07:27

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-06-05 07:27

Reported

2025-06-05 07:30

Platform

win10v2004-20250502-en

Max time kernel

102s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e1a20376b4ea760fbd8464eebf9e85ac4be7fecb26e88a1f472b6e101ddaf0ba.exe"

Signatures

Cosmu

worm cosmu

Cosmu family

cosmu

Detects Cosmu payload

Description Indicator Process Target
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e1a20376b4ea760fbd8464eebf9e85ac4be7fecb26e88a1f472b6e101ddaf0ba.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e1a20376b4ea760fbd8464eebf9e85ac4be7fecb26e88a1f472b6e101ddaf0ba.exe

"C:\Users\Admin\AppData\Local\Temp\e1a20376b4ea760fbd8464eebf9e85ac4be7fecb26e88a1f472b6e101ddaf0ba.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 c.pki.goog udp
NL 142.250.27.94:80 c.pki.goog tcp

Files

memory/3704-0-0x0000000000400000-0x0000000000407000-memory.dmp