wannacry | d041d1d3fc3f7553e5524a1e8603a2a9d751aa14965811bb29ef35ed1edf9c24

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-08-2024 19:45

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General

Target

c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe
Size

3.6MB
MD5

c787b6e8cffd395ff3b47b0533225c1f
SHA1

50fee498c71b0a9e194b1797cf6b38c946e9fcee
SHA256

d041d1d3fc3f7553e5524a1e8603a2a9d751aa14965811bb29ef35ed1edf9c24
SHA512

6214cdade00e74bb8d8d2f484bd9dd2b9c17d91c663787ce2a358e352a15d58779eb80a55df6c7b702d0bb8e66a6c554f63e62dc9569840500e8b74e5cc51a5b
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2tI:yDqPe1Cxcxk3ZAEUadzR8yc4tI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3263) 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
3232	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	c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2400
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3232

C:\Users\Admin\AppData\Local\Temp\c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c787b6e8cffd395ff3b47b0533225c1f_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
9e35b6bd2f637f7175d65a3d20ccd9a8

SHA1
5cf78d8553542eda54c842d29c62d561d2254afc

SHA256
fbf73241ca243d08da6b5ed4f0115b1b754531b9598ffc9081bb1b99756172d3

SHA512
6d2bda825e8787248afc7b44c03739847e9daf2f2ecc2b7994905bcd31079dc6f376f15edd862f8fcd4a0e87a34586a8847e48ce4033663dc9ecbc85e89cc104

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