cosmu | 231fadb63216bd5a7e1b9740a4381017bbd03767a46ff86a391249a3c1a39aa6

Analysis

max time kernel
148s
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
26/08/2026, 12:30

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General

Target
2026-08-25_b6878f825f89315666095c2f44a0f632_elex_wannacry.exe
Size 461KB
Sample260826-ppntjsdn9z
SHA256 231fadb63216bd5a7e1b9740a4381017bbd03767a46ff86a391249a3c1a39aa6
MD5 b6878f825f89315666095c2f44a0f632
SHA1 58ccc1ee7d68c901a4a47926ea56e319d8960bab
SHA512 3f9f530c601ee4761ea46c54278abd1d17b9ebb24a5669c8a3b0aba92128edf7994e1bfa9e6bd9fedc41dcef1c21a790b8629484c02f9b9a579bebde425a100c
SSDEEP 6144:LzQhPlPeGObF1OnMycnyVPNW78W82m2KGMRldy8Rq53YVJFxE6gMeaXf3dvfd:C5OAcnT7moKN+YQ6gMeuXd
TLSH
T18FA48D6083857736D09ADA3281AAE7ACFD652EE4D18FEE708C6D7D1C4570A90D1BE331
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/4284-0-0x0000000000400000-0x0000000000408000-memory.dmp	family_cosmu
behavioral2/memory/4284-1-0x0000000000400000-0x0000000000408000-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	2026-08-25_b6878f825f89315666095c2f44a0f632_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-25_b6878f825f89315666095c2f44a0f632_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_b6878f825f89315666095c2f44a0f632_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4284

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/4284-0-0x0000000000400000-0x0000000000408000-memory.dmp

Download

memory/4284-1-0x0000000000400000-0x0000000000408000-memory.dmp