wannacry | d76268e10139ce5a3a898a339e5f62bf5f7063e54edb4e0fab14d8bef0f3e3dc

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
06-05-2024 09:06

Target

1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
Size

5.0MB
MD5

1bc21aac4d8b2c0896604df7651c5486
SHA1

ec35fbf7c57ebf44ff23302bbd22f2dd1bb347f0
SHA256

d76268e10139ce5a3a898a339e5f62bf5f7063e54edb4e0fab14d8bef0f3e3dc
SHA512

28d8a4be8280bf5643a916a785e878ba90387ee72de2dd92ac3a0e1d62793e18cc6945fb5b28ad341e05e26e0f8ca79dac91a2aa1775861f4f224d955e58d1fc
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAaUB3az6OmA3R8yAVp2H:yDqPe1Cxcxk3ZAaUG5R8yc4H

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3352) 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

1328 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:

1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe

pid	process
1328	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:3308

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1328

C:\Users\Admin\AppData\Local\Temp\1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3616

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
228df6dcfea22c148fcf85a127098d99

SHA1
fbf027333a0b01252cf7abfe10a239dbbf364dc3

SHA256
f8f389f52d6ec0b71faa2ffb22e399c48030029f3140fb8235caf7f38ab083f7

SHA512
0614e3f0da2880a59ce6dd24021d9f14ebdbad870a4739f8992c19e2188921697c7adb08ff4ab5474b9a6ae1299d206b636c1c875ac5fe5290982efed1e7f497

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