wannacry | 0ee4a1b0bb809e4513331eb799b8e367e8340a5466dc40f8090d49d913574221

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 12:29

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General

Target

2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe
Size

5.0MB
MD5

e6f032129e657ee6e975ca68c8089ed4
SHA1

c41e9e6d9ac1a9e04638d918c4017d1a16065dd5
SHA256

0ee4a1b0bb809e4513331eb799b8e367e8340a5466dc40f8090d49d913574221
SHA512

4e505c99a297e71d9d0621d948cbdfaa40a752185fb14e1b34bbba272e6496e6b94e7ec2002171cc3c974eb1df0c64f48ede2b91d46062fbd1c0d7fb1a7700c5
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz662:2nAQqMSPbcBVQej/1INR

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm 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
404	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	2024-08-26_e6f032129e657ee6e975ca68c8089ed4_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	2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-26_e6f032129e657ee6e975ca68c8089ed4_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\ProxyBypass = "1"	2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3960
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:404

C:\Users\Admin\AppData\Local\Temp\2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-26_e6f032129e657ee6e975ca68c8089ed4_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2968

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
1512ad9d119b379755b703df361185d3

SHA1
e495602349a6cb9382cb03a4c9c2df6db7ea9675

SHA256
b202064a00b7ef472331bf52233e89b6eba13ef87fe36133d43c2d8c6d37d6e5

SHA512
105f0128f055496bf0d529def69b750013b28fe2b0df1ae57411fe6dae753170df44b3fa22a1c0102edf727f051c96fc0222182a0be9191e47023c2dd0ef0c1a

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