cosmu | 141cc859605d6718b12235519588ae8ad02c6d2768d291436dae211527c05b5b

Analysis

max time kernel
150s
max time network
127s
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, 13:29

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General

Target
2026-08-27_87282d7a05703d6fa467b79ac205047a_elex_wannacry.exe
Size 192KB
Sample260827-qrmjyahf95
SHA256 141cc859605d6718b12235519588ae8ad02c6d2768d291436dae211527c05b5b
MD5 87282d7a05703d6fa467b79ac205047a
SHA1 0ed38afe2bf9a67f70da023c7aa2778781c88250
SHA512 27d9ebaecd3fccd5c3493c24968739a1604dc36e08dcab7794f0688acc2ccbe8a5a02973b9b8ffe87209228082279608ba9cb334df78e8885f1e149c4a4c5a8a
SSDEEP 3072:9QWpjn+FJR2XbOgeTdjHgEh3cMH0gYp+rs3p6zcDZmG/BpQe9VhYt9tKGb+kyE:Lpn+FJU2Fh3lddo3lDDHHeYGSc
TLSH
T12B148E684A05BF22C079FE3844D55BBDFDF95E64E219EDF1CC78B95E0490E81C2AE920
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/4936-0-0x0000000000400000-0x0000000000408000-memory.dmp	family_cosmu
behavioral2/memory/4936-1-0x0000000000400000-0x0000000000408000-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_87282d7a05703d6fa467b79ac205047a_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-27_87282d7a05703d6fa467b79ac205047a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_87282d7a05703d6fa467b79ac205047a_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4936

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/4936-0-0x0000000000400000-0x0000000000408000-memory.dmp

Download

memory/4936-1-0x0000000000400000-0x0000000000408000-memory.dmp