wannacry | d481e2c9094af9247c886ead62f879aa00f652d5ca6880ab77332e734398f82d

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
22/08/2024, 07:38

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General

Target
2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe
Size 5.0MB
Sample240822-jgp4raydpq
SHA256 d481e2c9094af9247c886ead62f879aa00f652d5ca6880ab77332e734398f82d
MD5 64632c5ed83c32cb5c2f0b43549d7a53
SHA1 24b7b4f30ea64c3f910c85ee091576c31e28c1e6
SHA512 e52ff10580809626453bea58a6143495619ff1ef073b16e7ab8e09fee88a17d9caeefd4e7bac35bff40b16c08d0aaf27e1bab59876bb05827a102d21f921f25d
SSDEEP 98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3295) 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
3608	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	2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_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	2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3560
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3608

C:\Users\Admin\AppData\Local\Temp\2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-22_64632c5ed83c32cb5c2f0b43549d7a53_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4192

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 7d57c31e7fa9c9471a2dbebffea0c1c90cb38accdca22cd4d578ff40a5c6cd14
MD5 47da0d374849ff568e0b3c3f84b5c1d8
SHA1 47aea8b60f49a87004e1b6ef8b79d1c73ab0c914
SHA512 7ee83f6ff815bbccc937d0bf1544102948b51dcb6f26bba63d09a3506acf755a23e9d1967dc25acb98166861984961cffe0ac315df927fd26514004cd9621bef
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:QqPe1Cxcxk3ZAEUadzR8yc4
MD5 SHA1 SHA512 SSDEEP

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