wannacry | 112ad9dbab06d887ac3a5b7ca6a2ddd772762980f93926bd381efd7d34a251c0

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 11:58

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General

Target

2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe
Size

3.6MB
MD5

b3c5f714084f79d8676b9fb29f45db6a
SHA1

970738b9221414e237b354df4ff96c295718684f
SHA256

112ad9dbab06d887ac3a5b7ca6a2ddd772762980f93926bd381efd7d34a251c0
SHA512

6c471561ad12eef8619b088534b654b5a6358d3ffd5b3f2a086211021a6b3bcc6d1b14688258e791cc20028c5cc2f2ce3c900ca3639b39626af8976231fef135
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0HYl:XDqPoBhz1aRxcSUDk36SAEdhvxWaO

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3288) 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
1320	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	2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_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	2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:976
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1320

C:\Users\Admin\AppData\Local\Temp\2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-29_b3c5f714084f79d8676b9fb29f45db6a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3244

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
924f4b9cd7172359495f38f678f4a2a9

SHA1
d1c18d2c67c08c2ace72d62454b1df97e064d813

SHA256
e99bc8bf46e522afff858ec0ade4310b14bf8874a984953510e1455976ec0d3a

SHA512
dfcf914772645210e03347f3b04aaffc09c9af345420e6d1038572b4ee062c17a8b054daaf416e2b92dfa5c0b9a599ced967d291a2a8b243cdd13c2e7b2dc681

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