wannacry | 185d8cc48afa15f07e944c497d25ff4c649b10257f3d6860ba1aa9e0540e3c09

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
17-09-2024 02:54

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General

Target

e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Size

3.6MB
MD5

e5e9e01c13fb7bcba773d47ec6985308
SHA1

3f3351e2ea71af75a1bb59be0445b6739088d4a4
SHA256

185d8cc48afa15f07e944c497d25ff4c649b10257f3d6860ba1aa9e0540e3c09
SHA512

f67151418275a693429efe3c13e5d0df22fd46c7981059cd594875764314657f9d5a9d77ccdd6e89f7823cce9e530f93543e1575a935a18ade810a61f07eeba8
SSDEEP

49152:2nAQqMSPbcBVGAMEcaEau3R8yAH1plAHI:yDqPoBU593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3370) 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
3552	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	e5e9e01c13fb7bcba773d47ec6985308_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	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4516
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3552

C:\Users\Admin\AppData\Local\Temp\e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4388

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
99459f9a1f0aec9d4290cd8bb14f1e77

SHA1
8fe30db172e38ab7d71a861e13e601b2027de41e

SHA256
d282ffc6b21d94edba322096d881b903504916e4944ba0b5372610af367f2a72

SHA512
a9d9e674cc957be4c1277599aa8546cb0074f5c1330a1f7531fabd92e25e48a29c32a2be5e392bc0bf5b07285905ce2086aff8da7cf7d68f22a8907977a1226b

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