wannacry | 283dc1cef7172595597c76fccd8806de21227a1294b3ea0051745fa0d4dfb13b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 08:24

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General

Target

2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe
Size

5.0MB
MD5

7b3ba7cbe7075f8d29663e82e748a1e6
SHA1

5b2cf4d3719944fb171df964385c8d9204c6dacd
SHA256

283dc1cef7172595597c76fccd8806de21227a1294b3ea0051745fa0d4dfb13b
SHA512

1ed982c6033aca05f0843c2616d26fb869049512c28d4d6656c89b2ef284990c18f8f04396be10afe696ecb41cb85d009ee968c47a0c354e582ab4cf9368caf3
SSDEEP

24576:2bLgddQhfdNDNzV9H0DZFzo2zNk+3u/ir11wI3YwZjS:2nAQxWDZFzo2zNk+3uwO

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3290) 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
3068	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	2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_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	2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_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\IntranetName = "1"	2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4524
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3068

C:\Users\Admin\AppData\Local\Temp\2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-09_7b3ba7cbe7075f8d29663e82e748a1e6_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:60

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
6f6b5ae014e57ada8839c9b3711a29a5

SHA1
1dd2804c6a98b50e62992aae34d2829541e0f295

SHA256
3186923352dd84303dfd760f5270698b9e266ad835164ce5dcf547537289db88

SHA512
d01a592e78cf242eda603c4c8e6ca17286e342940b1417efbbb93e9d078ecef6fbef921d2af26ddd124ff81ea514fb71e01e83cd7d798ac0a4cddafed40eb943

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