wannacry | da7614ab163f534139da24d2cb5e0b1681e9db0998a0c2d38298598d6441ec23

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 07:15

Target

23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe
Size

3.6MB
MD5

23c52d84903b697485b4707da6ab1fdc
SHA1

a4eddb305804524293a2eb2e5900348a0549237f
SHA256

da7614ab163f534139da24d2cb5e0b1681e9db0998a0c2d38298598d6441ec23
SHA512

26924aa3c0852e8d71d8ec75bce5271f627b15f828745d81c98e6c8b74c5fec9b219870e3e48fad2f50377b69f9848d6f22280b1b2e3a6bf846efb3923bb0fc1
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAu0:yDqPoBhz1aRxcSUDk36SA+

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3350) 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

5284 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:

23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe

pid	process
5284	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:5184

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:5284

C:\Users\Admin\AppData\Local\Temp\23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\23c52d84903b697485b4707da6ab1fdc_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4292

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
90688728772ac6a848611e74ae413c9e

SHA1
5795d99c657bb00d6f6cc104fee403f7c811cb12

SHA256
a656697d11966530a0bf1f608e30ee1fc2c9a5eddfd5cb7508978b9c42a20b66

SHA512
0aca0ff5a1847198298c3b11157f21777efdaf388cbf31c0aa2e1913334e05151cfc9d480b2fce0ea340e87427a404dd582fdc4fbc6b586eee6d43e6f2ea28a7

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