cosmu | eeaf67ff2f7c54c3d90deb5b87990a1c7e5f76f328fddd6b023605e11c27834b

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/11/2026, 08:55

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General

Target
eeaf67ff2f7c54c3d90deb5b87990a1c7e5f76f328fddd6b023605e11c27834b.exe
Size 5.7MB
Sample261105-kvf9fahs2w
SHA256 eeaf67ff2f7c54c3d90deb5b87990a1c7e5f76f328fddd6b023605e11c27834b
MD5 463794f4b6b5b070ac89532856247cca
SHA1 47c24091e2ca0132820f3da8e2f619376a58d732
SHA512 0b5f73c7edd6304ec1d797fb406f9964065496c2ecdf0efed71a3dd348d2e4d26ff1e1d82975dccd7e4c44a6958d5e32ce5434624752450d3a5f04841876df03
SSDEEP 49152:424pOK123wBa1c603wsZga2udET1I+51Oj1CvTA+GG6OT75XvPWzYSH:4qEv60gsOTGMN8
TLSH
T126565CAABB7CB574D000697BBAAD9B47ED0C1D023341976C917E81B54F48AA0CC49F7E
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/3196-0-0x0000000000400000-0x0000000000407000-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	eeaf67ff2f7c54c3d90deb5b87990a1c7e5f76f328fddd6b023605e11c27834b.exe

C:\Users\Admin\AppData\Local\Temp\eeaf67ff2f7c54c3d90deb5b87990a1c7e5f76f328fddd6b023605e11c27834b.exe
"C:\Users\Admin\AppData\Local\Temp\eeaf67ff2f7c54c3d90deb5b87990a1c7e5f76f328fddd6b023605e11c27834b.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3196

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/3196-0-0x0000000000400000-0x0000000000407000-memory.dmp

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