wannacry | 8052e7b4b67c2cafa041fdc3b7daa5684d1a85ad9b1b5ca1b7beba8631bac062

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14-03-2024 09:59

240314-lz664aha7z 10

14-03-2024 09:56

240314-lytjlsha4t 10

14-03-2024 09:35

240314-lkbrmsba53 10

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 09:35

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General

Target

2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe
Size

3.6MB
MD5

fb1c4d59adaf64a044dba323ea8fe6f0
SHA1

42ae1eabe02cf20ce21b32dc0f0f3a90206887a6
SHA256

8052e7b4b67c2cafa041fdc3b7daa5684d1a85ad9b1b5ca1b7beba8631bac062
SHA512

1d76ee4218592249536a09ee1b76b91939905e32d0ad0a53c7b92fb11b3d02e642a1c9ed484bffc123cf7f2501f1d780d1b2b7bb2a2404120efaa27c6c325f35
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:yDqPe1Cxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3332) 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

1572 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:

2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe

pid	process
1572	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2424

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1572

C:\Users\Admin\AppData\Local\Temp\2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-14_fb1c4d59adaf64a044dba323ea8fe6f0_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

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