wannacry | 5a5650d8375c0d41dee3f310020ea5490c4559cdf8773c1718a9326dca63536d

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
30/03/2025, 06:06

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General

Target

2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe
Size

5.0MB
MD5

035f944d1cebf48654f58575478c54e9
SHA1

b967d2d5f375a46f6a84353b493069a88f820522
SHA256

5a5650d8375c0d41dee3f310020ea5490c4559cdf8773c1718a9326dca63536d
SHA512

6455b60524dd28af57385f06fa9609b7b01d391c8cb4c86450469426e94ec1d8a1a356ba763e8f8c82ea4213fb1ec3870959c553b208d5a7a39fb41e3acc673c
SSDEEP

49152:XnAQdQy6SAARdhnvxJM0H9PAMEcaEau3R8yAH1plAH6:XDF6SAEdhvxWa9P593R8yAVp2H6

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 (3313) 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
2824	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	2025-03-30_035f944d1cebf48654f58575478c54e9_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	2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2552
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2824

C:\Users\Admin\AppData\Local\Temp\2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-03-30_035f944d1cebf48654f58575478c54e9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5944

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

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
4c32f3340a27098337c1c39d2ded6d79

SHA1
ac6211738bc73cbedead878e0c2692b115ad449c

SHA256
3428aeb74e2888611e466f87ad21f70a1a22230af659d8eb4c61a74415c2f406

SHA512
8c712a7f4a74c7c8c708c28c46d28470728005b31062ecb4ac215b8c2a2e43b07e0795af3af826a906d451c02892b45b9f60d0dec2eb892fedb2b760df61ea6b

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