cosmu | 128f1e5a28af5b342e2a6d05391731efbf81586b77caa3153abd9b545b16ca42

Analysis

max time kernel
150s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/08/2026, 11:34

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General

Target
2026-08-22_1e065d46d05e0a7a5330752144cb704c_elex_wannacry.exe
Size 82KB
Sample260823-npf82aab25
SHA256 128f1e5a28af5b342e2a6d05391731efbf81586b77caa3153abd9b545b16ca42
MD5 1e065d46d05e0a7a5330752144cb704c
SHA1 7a290c77b45d30943e471d6e9b65ab482fb59eb5
SHA512 601ad92558919258cfae867eb03112de6050805cace7c484bf5a5ca7784d1baccbf52c96c6fc1d84d69bc289fcfd83dde3ce2531d49cbc348af9823d3fe19bde
SSDEEP 1536:z7ZhA7FSFgC2N2ON2OQEeuehSQdwEAtZ0CtZ0gLBp7b:Re7F6P2N2ON2OQEeue4vtttJ
TLSH
T133834A2C5B2BFAE7D35E327CE61070F4DD903E8149B13CB556D8DA386385EB64298D28
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/1256-0-0x0000000000400000-0x0000000000408000-memory.dmp	family_cosmu
behavioral2/memory/1256-1-0x0000000000400000-0x0000000000408000-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	2026-08-22_1e065d46d05e0a7a5330752144cb704c_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-22_1e065d46d05e0a7a5330752144cb704c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_1e065d46d05e0a7a5330752144cb704c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1256

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/1256-0-0x0000000000400000-0x0000000000408000-memory.dmp

Download

memory/1256-1-0x0000000000400000-0x0000000000408000-memory.dmp