cosmu | 31d6827944220d77518d65d8b711e62027d87347d8328f508b49cdac7f6786a3

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/07/2026, 14:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
31d6827944220d77518d65d8b711e62027d87347d8328f508b49cdac7f6786a3.exe
Size 12.6MB
Sample260722-rdladsff25
SHA256 31d6827944220d77518d65d8b711e62027d87347d8328f508b49cdac7f6786a3
MD5 e5c733e51e56197cec140dea1f352c7f
SHA1 f19e35ce01e22cab03d1ae2512761d96212fb52b
SHA512 31bff94231b3acd882a264fd97609e00243f061bf08d4c47db67d8bfb492470b820bc7d3ca63c8655821a383d91951323133b9596291f10a589d0322f2d5fa5a
SSDEEP 98304:rzqEv60gsOTGMN6bbjNCZia56g65PRdKNtMGMnRzBrpFSqLsO86msAeN75jJW5B9:rE0XQGMN6bbMLP+2zqqGGEU
TLSH
T19BD639BE6F64FC609880AC52D9B2CE50DD8F5C827199C430857EF9608E44ED1CDADAB7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery cosmu worm

Malware Config

Signatures

Family: Cosmu
Cosmu is a Windows worm written in C++.
worm cosmu

Detects Cosmu payload 2 IoCs

Cosmu is a worm written in C++.

resource	yara_rule
behavioral2/memory/6020-0-0x0000000000400000-0x0000000000407000-memory.dmp	family_cosmu
behavioral2/memory/6020-1-0x0000000000400000-0x0000000000407000-memory.dmp	family_cosmu

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31d6827944220d77518d65d8b711e62027d87347d8328f508b49cdac7f6786a3.exe

C:\Users\Admin\AppData\Local\Temp\31d6827944220d77518d65d8b711e62027d87347d8328f508b49cdac7f6786a3.exe
"C:\Users\Admin\AppData\Local\Temp\31d6827944220d77518d65d8b711e62027d87347d8328f508b49cdac7f6786a3.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:6020

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/6020-0-0x0000000000400000-0x0000000000407000-memory.dmp

Download

memory/6020-1-0x0000000000400000-0x0000000000407000-memory.dmp