cosmu | ca2ee6c05d1299f2740d19b4bf109391a8a499fdcf91fd1d527bdd6772d4d2cc

Analysis

max time kernel
150s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/08/2026, 12:55

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General

Target
2026-08-28_8617b86772e33dc19d1ab4abb5fd5df2_elex_wannacry.exe
Size 10.2MB
Sample260828-p53mmsda33
SHA256 ca2ee6c05d1299f2740d19b4bf109391a8a499fdcf91fd1d527bdd6772d4d2cc
MD5 8617b86772e33dc19d1ab4abb5fd5df2
SHA1 0da0d1ef0e6174dd74ffa8b3ac37dcd8031e30a6
SHA512 79af1324cefd4412225dd9c00f891132b3b77a53e8ae1f1c7db3712752d081e901362749a315181ebc735cde9452eb39cde62cd196c67918205a61f41157c1a6
SSDEEP 196608:kf143MtnOCg4IpLHeeTnwfkYq9zmA0n+FRK44JYF:kd430nOCAphTnD9a+244KF
TLSH
T145B6BF935C7A7B50CF7839F905A3F954E7849A8F2E01AC2C7BEA5DF90094F9760434A8
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/1624-0-0x0000000000400000-0x000000000040B000-memory.dmp	family_cosmu
behavioral2/memory/1624-1-0x0000000000400000-0x000000000040B000-memory.dmp	family_cosmu

Detects executables packed with eXPressor 2 IoCs

resource	yara_rule
behavioral2/memory/1624-0-0x0000000000400000-0x000000000040B000-memory.dmp	INDICATOR_EXE_Packed_eXPressor
behavioral2/memory/1624-1-0x0000000000400000-0x000000000040B000-memory.dmp	INDICATOR_EXE_Packed_eXPressor

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	2026-08-28_8617b86772e33dc19d1ab4abb5fd5df2_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-28_8617b86772e33dc19d1ab4abb5fd5df2_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-28_8617b86772e33dc19d1ab4abb5fd5df2_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1624

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/1624-0-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/1624-1-0x0000000000400000-0x000000000040B000-memory.dmp