cosmu | 6903deaeaa24b29f49b376a806931a113582041a61806f30668c3e170b7512da

Analysis

max time kernel
150s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/08/2026, 20:01

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General

Target
2026-08-27_33713fc4d0e0ab10a209e14874b80320_elex_wannacry.exe
Size 562KB
Sample260827-yrsd7aah84
SHA256 6903deaeaa24b29f49b376a806931a113582041a61806f30668c3e170b7512da
MD5 33713fc4d0e0ab10a209e14874b80320
SHA1 b817e85325309e9fcc335d77ccdfef50395cf041
SHA512 c3a4f0b37266d9fe257376cbcda5e77971fddafc9ba4f01e497e868672270aa848e5d02ac268b94a5dfa131fa351bfd4b8409c19d58547b3bf17aed75b1637a4
SSDEEP 12288:9n+FYFow6udM0ASvcyNE0YVLk0q8JK4pOcwkr65:9n+F86uddASPNE0iLk0JxJwkQ
TLSH
T18DC4CFA4C363B751D1ADDA3190FE2E2CCD502E95C10AED7EC46A754E9841BD0F7EE822
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/3236-0-0x0000000000400000-0x0000000000408000-memory.dmp	family_cosmu
behavioral2/memory/3236-1-0x0000000000400000-0x0000000000408000-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	2026-08-27_33713fc4d0e0ab10a209e14874b80320_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-27_33713fc4d0e0ab10a209e14874b80320_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_33713fc4d0e0ab10a209e14874b80320_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3236

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/3236-0-0x0000000000400000-0x0000000000408000-memory.dmp

Download

memory/3236-1-0x0000000000400000-0x0000000000408000-memory.dmp