wannacry | bc548a8fa6508b7e0a71af7a7c4f87cc629ff6ed2ba1a26f9cc9862b6f41e2ca

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
11-08-2024 23:41

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General

Target

2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe
Size

3.6MB
MD5

2a73e5b0b90e164be00f5cfdd0bb0cac
SHA1

0039f784eead69f0d2222072809da648753cfd09
SHA256

bc548a8fa6508b7e0a71af7a7c4f87cc629ff6ed2ba1a26f9cc9862b6f41e2ca
SHA512

7d5b3efe8a300c18ccca07d23247949b47bae661116196bde35b7eff77b6195a013774e614be022c349afb9f9e8725ae1f5acc7fd652a02f1bb9328fd74ea60c
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8Vj08:yDqPe1Cxcxk3ZAEUadzR83

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3223) 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
4008	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	2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_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	2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3948
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4008

C:\Users\Admin\AppData\Local\Temp\2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-11_2a73e5b0b90e164be00f5cfdd0bb0cac_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3956

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
1a113533ee6456030b227b5057da0024

SHA1
6b53275691cb0be2c5db03397a67f73996401fb5

SHA256
76c5e3924d6817917ff1903ddcd84c1d46d2eaa986299f6c4d12325832e9146f

SHA512
1391ab4b521d28443495801051c419fc68e3cebc9dc18dff98d40fba1a9d42d22bcd84c86ba80d373b6c68ce8077041897c6f94e03a8ac8cdc7ab95fd40f5ec4

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