cosmu | f74ab5773e5f670d8d6df9a053f83b840a890c916c7319e58b945351e917c8c6

Analysis

max time kernel
148s
max time network
148s
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, 18:40

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General

Target
2026-08-25_8771e822313cf8dca56037c1d9fccd42_elex_wannacry.exe
Size 115KB
Sample260826-xbhdlsvcmc
SHA256 f74ab5773e5f670d8d6df9a053f83b840a890c916c7319e58b945351e917c8c6
MD5 8771e822313cf8dca56037c1d9fccd42
SHA1 1fe026d79599eb8eb50ee0268892ce5dabd96a30
SHA512 716f1a6376ed12523905a3e48092cec97c72a7dd39e029e0e467317fccef02f62b314ae4c671dea26bb5e8a9966452024290d64f624d1c813d822a6fbd6a9864
SSDEEP 3072:9QWpze+eO8888888888888888888888888888888888888888888888888888884:Lpe+ekeq1W
TLSH
T17FB37C56BB82FC81D2897DF7DD29043CEEA70E984452A842FA30F4F56B24AF1511F7A1
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/3184-0-0x0000000000400000-0x0000000000408000-memory.dmp	family_cosmu
behavioral2/memory/3184-1-0x0000000000400000-0x0000000000408000-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_8771e822313cf8dca56037c1d9fccd42_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-25_8771e822313cf8dca56037c1d9fccd42_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_8771e822313cf8dca56037c1d9fccd42_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3184

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

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Downloads

memory/3184-0-0x0000000000400000-0x0000000000408000-memory.dmp

Download

memory/3184-1-0x0000000000400000-0x0000000000408000-memory.dmp