cosmu | f0f80f63f32f3a5f3c90d43e86f40f6ad88e15a57100c75f2db4d6aa84748ece

Analysis

max time kernel
150s
max time network
125s
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, 12:57

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General

Target
f0f80f63f32f3a5f3c90d43e86f40f6ad88e15a57100c75f2db4d6aa84748ece.exe
Size 12.6MB
Sample260722-p7bxpseh83
SHA256 f0f80f63f32f3a5f3c90d43e86f40f6ad88e15a57100c75f2db4d6aa84748ece
MD5 2faec119d58cd18b2eb9549895bcd46c
SHA1 22833ec19b1ca82cab18cd295597ae8383637799
SHA512 2e637cb7d18bdbc395073ffb6553e015774346efbee5501d8fcf7ac7294c4c85d76f21eda01f45c2ae2fab58b72265d3466009eb7cde2a699218b7e655f7d6e6
SSDEEP 98304:rzqEv60gsOTGMN6bbjNCZia56g65PRdKNtMGMnRzBrpFSqLsO86msAeN75jJW5B/:rE0XQGMN6bbMLP+2zqqGGEC
TLSH
T179D639BE6F64FC608880AC52D9B2CE50DD8F5C827199C530857EF9608E44ED1CDADAB7
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/832-0-0x0000000000400000-0x0000000000407000-memory.dmp	family_cosmu
behavioral2/memory/832-1-0x0000000000400000-0x0000000000407000-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	f0f80f63f32f3a5f3c90d43e86f40f6ad88e15a57100c75f2db4d6aa84748ece.exe

C:\Users\Admin\AppData\Local\Temp\f0f80f63f32f3a5f3c90d43e86f40f6ad88e15a57100c75f2db4d6aa84748ece.exe
"C:\Users\Admin\AppData\Local\Temp\f0f80f63f32f3a5f3c90d43e86f40f6ad88e15a57100c75f2db4d6aa84748ece.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:832

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

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Downloads

memory/832-0-0x0000000000400000-0x0000000000407000-memory.dmp

Download

memory/832-1-0x0000000000400000-0x0000000000407000-memory.dmp