wannacry | 46bd36847af48b6847a8da1bef62f6dd2fd3fc7f5b16aceb55c2c4ed998ef635

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
01-06-2024 05:10

Target

8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe
Size

3.6MB
MD5

8971faddd6798817414eeacc4d047c41
SHA1

a41e63283f9f3ad42ec6cd8ae30ff1f5352eab20
SHA256

46bd36847af48b6847a8da1bef62f6dd2fd3fc7f5b16aceb55c2c4ed998ef635
SHA512

1de154a37d63d6dca403c94a62b64f550383e8e3e2e1281d9b6b9f8e71b60d8ef2611b4e4e4d66f81777dd52c99833d939ed186a150c5a2ec42c85ddffdbb10a
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P59Uc/:XDqPe1Cxcxk3ZAEUadv

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3086) 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

1636 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:

8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe

pid	process
1636	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:4232

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1636

C:\Users\Admin\AppData\Local\Temp\8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\8971faddd6798817414eeacc4d047c41_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1328

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
ac79dde095f7ba95d0a1c18c19060861

SHA1
0fcb91490c84f045550558221da38e434793b866

SHA256
212f701cf6779c46faf252e8bf43866ac7047ebc2ee7cb0f76f3b049e248c7f2

SHA512
b6a20885165551c88b8811158ce77c7bf31b9203a659fb46308e2dbf934a091a2168c40f7c2e28242399eea0d15c48380a6aed6781345432b609833d8e9816cc

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