wannacry | b88ca162597658cf707e66364d8252dc0a7809f3f99c22f20eb088291155f3e1

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
15/05/2024, 13:59

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe
Size 3.6MB
Sample240515-ramn2scf3t
SHA256 b88ca162597658cf707e66364d8252dc0a7809f3f99c22f20eb088291155f3e1
MD5 4683bed639c4a62926209afaa2294dbe
SHA1 6d8399bf7cb032f6168b2009a7ab0807f9696893
SHA512 497d30bcd6540373cc1cec40fc178dff1db7e466a59f83a1bcedd96e19830120a88575225acf0b943743fee1f939836d59148d49d4d6767c05ccad3e8a4eb101
SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARd:yDqPoBhz1aRxcSUDk36SAEd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3130) 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

pid	Process
3640	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

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:3384
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3640

C:\Users\Admin\AppData\Local\Temp\4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\4683bed639c4a62926209afaa2294dbe_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4756

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

Loading Replay Monitor...

Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 4038bd684b85e9451ca37e7233c2b39dbf0ad7967829179b75cafc0c661c986b
MD5 db04f37a8f947c39285253dbf4eb490f
SHA1 ac9c6ae440c86c6df633c8c156809cfce4254064
SHA512 b17162b1dfe12465e2b8fbf9f70f8e5a646a9798ff6625cf6181a62e65ebbd4a1773daa7cc954caf7bf6907c990b487847aa3a4cbb5cf6f5575cdeb5b1d09296
SSDEEP 49152:nQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARd:QqPoBhz1aRxcSUDk36SAEd
MD5 SHA1 SHA512 SSDEEP

Submit Download