wannacry | 6db4ba167c72ba123533ca868601ee3014b8c25d256fdfa35094ed5c26c89511

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 19:14

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General

Target

819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe
Size

3.6MB
MD5

819bce176cd9633b54748e86f1cde30d
SHA1

ef957b1668edb1e6735dd278d3caeebfc22f18ea
SHA256

6db4ba167c72ba123533ca868601ee3014b8c25d256fdfa35094ed5c26c89511
SHA512

7348d3ff36a2e3df3d5b0d295e0e8f69114fc5d7c992d9c1bde15c2f6aa3b1bb4fcf6e51cfc3278cdc555231ef95dad7ed29861e512ef8f735e9fe7d3a6a3df3
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAg8E9LE:Z8qPoBhz1aRxcSUDk36SAjrA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3167) 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

2024 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

pid	process
2024	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe

Modifies data under HKEY_USERS 1 IoCs

Processes:

819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:2352

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2024

C:\Users\Admin\AppData\Local\Temp\819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\819bce176cd9633b54748e86f1cde30d_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1584

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
5ff7f89428ec9afede61c8dd1168c420

SHA1
44619fa82a78d80b229ddee4e5420b1107ee0679

SHA256
61f8c69f073f72627928f5b7ce24d2611d895de7cde0199d4a1b259c32ccda78

SHA512
8647ab8d986ead9b064ae644eb0968ee23fc324b8633c11b5e31758ce6a2ddefffbd5afd3b5d61bd25570ec8e3d6f06ebae12ae6e760830015be32fb52012678

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