wannacry | c752edde0062acbbb23a28112be27568e77b62bd28383c3fbab4dddf092d33aa

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 09:41

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General

Target

2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe
Size

5.0MB
MD5

3ed68142254276603e3421bb127b2c15
SHA1

9538650c18dcd387504fe8f13ffdee6d79d757ad
SHA256

c752edde0062acbbb23a28112be27568e77b62bd28383c3fbab4dddf092d33aa
SHA512

6985ac091a1563d2efdc529775d312f8a1dc181d3407563e20592cd591f7045a4181803c466e43bbfdd720db130e408065ca80d643f825c246dabfb63f4c8204
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0PSrHV7YoZnA:2nAQqMSPbcBVarHV7YoG

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3235) 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
2972	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	2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.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	2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:236
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2972

C:\Users\Admin\AppData\Local\Temp\2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-25_3ed68142254276603e3421bb127b2c15_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3300

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
a163c87f996ae610925acbb1e792003c

SHA1
b0ea6df83518ce975d8c630baa8882ba77cb8f93

SHA256
e46dcbf747be6d4b37fa50f104928406fa314e83782ff0c16570a5b800d7ccbb

SHA512
22d7ffa8eb87465c233eb2e680193a9db73f6fd09f7c362d86b2869259dc834cdb54e8c098706a8aa68871cc57eeea68a6568748f5a8b3dd96696d52bf98e0f1

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