wannacry | 975f0c9a2bb4a0bf2a022af615452e6049577899495cd7bdfb0a9fa6084964ff

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27-05-2024 01:36

Target

2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe
Size

3.6MB
MD5

cd797e42ff018db9df58d8be0fbb9b29
SHA1

feebc9f49bd28756c02950fc39292d858e4e5b65
SHA256

975f0c9a2bb4a0bf2a022af615452e6049577899495cd7bdfb0a9fa6084964ff
SHA512

e5fb2c395a3e08e7cbecdb0c2bffaff2266150bf890008127a882fe2d6d7a141178c16166d1146d9efe6951ca16750f96f516846cc9969864260ce3327b07840
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9M/LvuDOO:yDqPe1Cxcxk3ZAEUaOyOO

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3307) 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

Processes:

tasksche.exe

pid process

4632 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

Processes:

2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe

pid	process
4632	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1632
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4632

C:\Users\Admin\AppData\Local\Temp\2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-05-27_cd797e42ff018db9df58d8be0fbb9b29_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3492

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
8954aa1e2197ee0feb97dd7e298caba8

SHA1
deec156f38022ade95934930f63f2108e443cb06

SHA256
d642955164aebf8a46cf4971baf6d4431caafc0a08af405455ea7b1e698b1a61

SHA512
c3cf0181a5eba4dd42e5c1b133e1b4dafe3aa07c821fa5f7748dea26674cb5cd7df36ebd72c5f10d2449b12499d91d723e61d37e7105b230b609a32b996e3365

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