wannacry | f2ed57ff2b7a9c7b34acb322cfbee00789b869b01876c005dc122113ae035670

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 03:25

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General

Target

2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe
Size

3.6MB
MD5

e945fc318170cbb2f8b59c7ab37991e3
SHA1

5f7e38472e34a7ef76eb65e1d1ad283f92c4fbfc
SHA256

f2ed57ff2b7a9c7b34acb322cfbee00789b869b01876c005dc122113ae035670
SHA512

ec0c1671bfa9bdd380f97c5d1ac360b30e9ba474059e225db637006ec93f9c3856ddb13a321c40acb237b1034dfe011ba13c269f8d04871620929c72ca392d08
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593RzAVs:yDqPe1Cxcxk3ZAEUadzRzcs

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 (3272) 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
748	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	2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_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	2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1456
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:748

C:\Users\Admin\AppData\Local\Temp\2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-11_e945fc318170cbb2f8b59c7ab37991e3_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2864

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
d7b3b40fbfb42e0017bf0b3beab64536

SHA1
f5d7764bd6460ab2b351c6b09565b7530d8c0fa1

SHA256
822003de7a66a6a1fd4d9cec0559378d6c055b0cb21ac07b65d6191a323fe433

SHA512
a29e1fbcc4d64790e83e18055d6380fea68db9b16488eeda5354cf2957c718e987148ed55057af64635c3888f242682990bd24158366fa5c44248cdf293cfda9

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