cosmu | 4be4f6ca55767efc9a5e822219a3920f1dec125c18808e396323bfd6d908ec47

Analysis

max time kernel
150s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 22:36

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General

Target
4be4f6ca55767efc9a5e822219a3920f1dec125c18808e396323bfd6d908ec47.exe
Size 9.3MB
Sample260804-2jkadsfk4x
SHA256 4be4f6ca55767efc9a5e822219a3920f1dec125c18808e396323bfd6d908ec47
MD5 35c7de15d979f5934decb629970a9578
SHA1 edbb05e45c1e9ea0180d8bb79f359a3a51f7f7ac
SHA512 c03227e48ec2120b937163b9d034ccc6be5d7712c74b2203d54c636f53c3d6d35199b47df88fe0e2cced0d152c5cebfdc8d5b339feeeeba965f83e4be521dc89
SSDEEP 98304:4qEv60gsOTGMNhOUi3ztX6iwkdAwaR86uB6VqgX9XNcajQ0DRFO:F0XQGMNhQ3zlwkGHR86c6f9CQBDe
TLSH
T197A6D0A9BA3C7574D000597BBAAD9B0FED0C5D013341AF68917E81B44F48AA9CC49F7E
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 1 IoCs

Cosmu is a worm written in C++.

resource	yara_rule
behavioral2/memory/4976-0-0x0000000000400000-0x0000000000407000-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	4be4f6ca55767efc9a5e822219a3920f1dec125c18808e396323bfd6d908ec47.exe

C:\Users\Admin\AppData\Local\Temp\4be4f6ca55767efc9a5e822219a3920f1dec125c18808e396323bfd6d908ec47.exe
"C:\Users\Admin\AppData\Local\Temp\4be4f6ca55767efc9a5e822219a3920f1dec125c18808e396323bfd6d908ec47.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4976

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/4976-0-0x0000000000400000-0x0000000000407000-memory.dmp

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