cosmu | 85ab0acc1a53dba36863377ffb4dd543f89404741c06a513e1231315f5497ceb

Analysis

max time kernel
148s
max time network
114s
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, 04:49

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-25_e54043af42846a5e07076980c0cad848_elex_wannacry.exe
Size 687KB
Sample260826-ff72dsbf74
SHA256 85ab0acc1a53dba36863377ffb4dd543f89404741c06a513e1231315f5497ceb
MD5 e54043af42846a5e07076980c0cad848
SHA1 2adb8c959bf632beb20e4556744fa429cc6e16af
SHA512 3064b0ebb4a946d76df70c88820d6c3d18f180f730b7b6a422288b1a4517315083b506dc58c7a4ffd5fdce3dfd0c490a0264a7d9a6630a29cf10e4016907b91f
SSDEEP 12288:HA10xdqQms7eGjKmYTipILY6hUH+sJBM04:HFPqQvCDiOY6hOJBh4
TLSH
T1DAE4F89FD827EAB0FBB7D5B408708E9F9219015B1140B87D480EBC81BB96F3A9E5754C
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/4852-0-0x0000000000400000-0x0000000000408000-memory.dmp	family_cosmu
behavioral2/memory/4852-1-0x0000000000400000-0x0000000000408000-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_e54043af42846a5e07076980c0cad848_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-25_e54043af42846a5e07076980c0cad848_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_e54043af42846a5e07076980c0cad848_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4852

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

Loading Replay Monitor...

Downloads

memory/4852-0-0x0000000000400000-0x0000000000408000-memory.dmp

Download

memory/4852-1-0x0000000000400000-0x0000000000408000-memory.dmp