cosmu | 68c4d6847b8674b62a7f518fd287269d775f3e20efdb1f7d6bd0f045794d9297

Analysis

max time kernel
148s
max time network
132s
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, 05:48

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General

Target
2026-08-27_f059ea8065534b5d873897effe517a14_elex_wannacry.exe
Size 1.8MB
Sample260827-ghkvbazcnh
SHA256 68c4d6847b8674b62a7f518fd287269d775f3e20efdb1f7d6bd0f045794d9297
MD5 f059ea8065534b5d873897effe517a14
SHA1 b91e30ec4a3a25036a46ec6fcae8d2f545995627
SHA512 e7736c2eafe43361f7b88d85b1083af62791c6bc3b47a467372d9bfd57fc8a326c00c668aeec32d04b7d26950aa23f8043f733c25e79b6ed3f514af8b87855fc
SSDEEP 24576:9n+F30Fg4qp81i0BOgz9sl6TwdayIJ8EzvGPO1e3ZG0E8zJBO+0vlHs4:gF32g3qBz9swTy3nevGW1eLEv+0x
TLSH
T16B857C48698739A1F7D766BD9A42E2C64AE6FD54338ECC30B2145CE09C22CB85B745CF
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/3288-0-0x0000000000400000-0x0000000000408000-memory.dmp	family_cosmu
behavioral2/memory/3288-1-0x0000000000400000-0x0000000000408000-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_f059ea8065534b5d873897effe517a14_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-27_f059ea8065534b5d873897effe517a14_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_f059ea8065534b5d873897effe517a14_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3288

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/3288-0-0x0000000000400000-0x0000000000408000-memory.dmp

Download

memory/3288-1-0x0000000000400000-0x0000000000408000-memory.dmp