wannacry | a0b6a0a6b33c299473a1f6a96ac0e6878a9fa862a0abfdf385c0b516e0cbfce3

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 16:50

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General

Target
202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe
Size 3.6MB
Sample240905-vceb8svfkk
SHA256 a0b6a0a6b33c299473a1f6a96ac0e6878a9fa862a0abfdf385c0b516e0cbfce3
MD5 9c9dc0df6e55fd08f6aa01f6805606f8
SHA1 afa1c5da4bb9177102080671ca780f8be2275211
SHA512 2f776fc7da9cf9cb10f79db0029f0884a4c3f132d26eeca4a96bab0307a63ec02d79c259452aa570c61d49ed0c4b110e8c546f2c078795e0538d7a7c4b5fed78
SSDEEP 98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9p93R8yAVp2H:yDqPe1Cxcxk3ZAEUaFR8yc4H
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 (3274) 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
2904	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	202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.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	202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:724
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2904

C:\Users\Admin\AppData\Local\Temp\202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409059c9dc0df6e55fd08f6aa01f6805606f8wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1164

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 67afa5eb1c9b995eefb7cc019abfe44b5cac07bc7df008236ddccb7fa58ebc3c
MD5 6d07e0b41d84b9fbaacba7a313cd5526
SHA1 eee736d8868ad1bf091b621524ca3e8429f079f1
SHA512 c159edb764e7f8fdcbc02f004f42ed5295094e7be0e7d1d7c147152ca0a7e3484de44a04453d185cbd4cba8055b427ccadbfcbe5c5f36c9f4f214dbc95b466fd
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9p93R8yAVp2Hs:QqPe1Cxcxk3ZAEUaFR8yc4Hs
MD5 SHA1 SHA512 SSDEEP

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