cosmu | 4ef5feaae080abc01342742ef20e400a2b45290ef490d35ea711a8eb6eb80ce1

Analysis

max time kernel
101s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20250502-en
resource tags

arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
submitted
28/05/2025, 14:01

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General

Target
4ef5feaae080abc01342742ef20e400a2b45290ef490d35ea711a8eb6eb80ce1.exe
Size 8.7MB
Sample250528-rbyspswr15
SHA256 4ef5feaae080abc01342742ef20e400a2b45290ef490d35ea711a8eb6eb80ce1
MD5 8a96bf9e065309d71685d48cabb3ac4b
SHA1 dc16ba7300225a1d92713ab9f86e5f43566293a1
SHA512 571e297ee224b9400e0ad7fa0f47f0c9bc52fc51c4e1d9a63f29defd1c9d530c06ec9cb4f5daaefb25b024caf935ffa77ac4e2a73d56ef3eefa68f95f6914d33
SSDEEP 196608:mi0jN4oH5M+dQ0om2UOY0GjkzSU+oM1Gp10Uiy:mi0Z4oekQHk0Goeo90+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cosmu discovery worm

Malware Config

Signatures

Cosmu
Cosmu is a Windows worm written in C++.
worm cosmu
Cosmu family
cosmu

Detects Cosmu payload 1 IoCs

Cosmu is a worm written in C++.

resource	yara_rule
behavioral2/memory/3000-0-0x0000000000400000-0x0000000000407000-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	4ef5feaae080abc01342742ef20e400a2b45290ef490d35ea711a8eb6eb80ce1.exe

C:\Users\Admin\AppData\Local\Temp\4ef5feaae080abc01342742ef20e400a2b45290ef490d35ea711a8eb6eb80ce1.exe
"C:\Users\Admin\AppData\Local\Temp\4ef5feaae080abc01342742ef20e400a2b45290ef490d35ea711a8eb6eb80ce1.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3000

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/3000-0-0x0000000000400000-0x0000000000407000-memory.dmp

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