wannacry | 84946fd99b148a7ea5ca0ab626ec524d9eca863e28c00aaf42546b0ae6f80134

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/11/2024, 10:02

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General

Target
2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Size 3.6MB
Sample241114-l27wea1len
SHA256 84946fd99b148a7ea5ca0ab626ec524d9eca863e28c00aaf42546b0ae6f80134
MD5 a044f9084919d98a9beb02a5f1fd0a3d
SHA1 ad714674793c7962c4e7422b123e57f78211c246
SHA512 6aa5971fa89147f599256298cdcd1086332da422aa964de465db27b050e67137c7349dbb6c0d7d58355fcf7327d352b6c4aa5b81749445952e21eb0c0c2a2368
SSDEEP 98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9PF3R8yAVp2HI:yDqPe1Cxcxk3ZAEUadlR8yc4HI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3139) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
3856	tasksche.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4416
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3856

C:\Users\Admin\AppData\Local\Temp\2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 7013203a55df9690b99e658a95ef80788e3f2973fa1f181c0f06c44ade2d6667
MD5 7d4f61572ff99c1cd6caa73c59ebd67c
SHA1 4d4a4c7f6d281f224ad174f5457c8bfdb97977a2
SHA512 b8a93ecae4f9dec0927c79669d989e0c5c527605c853a9619c718fdc8de3e8005639453de4262a3a8d863c0fd76f60debae7701e7d7c08cf5a81b1d54d89d93c
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9PF3R8yAVp2Hj:QqPe1Cxcxk3ZAEUadlR8yc4Hj
MD5 SHA1 SHA512 SSDEEP

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