cosmu | 3f532382d7d93eab47fc58f1f2a8db6bd7cbdaa32975950ccacad81f6186cf7a

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
11/05/2026, 12:19

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General

Target
2026-05-11_c1190c93ec48dc46ecce3506b8ae47ff_elex_wannacry.exe
Size 1.3MB
Sample260511-phay4shx2w
SHA256 3f532382d7d93eab47fc58f1f2a8db6bd7cbdaa32975950ccacad81f6186cf7a
MD5 c1190c93ec48dc46ecce3506b8ae47ff
SHA1 67e3d436b0af86d903e44cd14d4b38bba293b2b6
SHA512 5b68f86a82af42dc309840ee11369789e6d76450b1f45a184b8653da36c658715cf309565b854c26d2e51f4ea89001fb7f42f5e2d86003b8a3d98eb2eba4ed60
SSDEEP 24576:GqOVLMRwGKarPeO9rodByCmbW9H71qRzDoZIQlLZTluRYg/01tzcBYWfFbTGG9iP:G3dsrPeO9ro3mby71qFoZIQtJluRYe0p
TLSH
T1C955E370141BBDC5D5D482F0B1C175EA0A20BB77BC78FEC4D6C6726DABA06986A18733
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/2636-0-0x0000000000400000-0x000000000040A000-memory.dmp	family_cosmu
behavioral2/memory/2636-2-0x0000000000400000-0x000000000040A000-memory.dmp	family_cosmu

Detects executables packed with eXPressor 2 IoCs

resource	yara_rule
behavioral2/memory/2636-0-0x0000000000400000-0x000000000040A000-memory.dmp	INDICATOR_EXE_Packed_eXPressor
behavioral2/memory/2636-2-0x0000000000400000-0x000000000040A000-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	2026-05-11_c1190c93ec48dc46ecce3506b8ae47ff_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-05-11_c1190c93ec48dc46ecce3506b8ae47ff_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-11_c1190c93ec48dc46ecce3506b8ae47ff_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2636

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/2636-0-0x0000000000400000-0x000000000040A000-memory.dmp

Download

memory/2636-2-0x0000000000400000-0x000000000040A000-memory.dmp