wannacry | f1d22b4f885e936072d2044641e7b8862db1c58a20c1bba3f4f21c51a991f640

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
13/11/2024, 14:32

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General

Target

2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe
Size

5.0MB
MD5

6628d84dc8d027c526087875f227b00e
SHA1

0a0a0b7c51eb18984a343b53855b7c199ba50df5
SHA256

f1d22b4f885e936072d2044641e7b8862db1c58a20c1bba3f4f21c51a991f640
SHA512

040ca54c94f783fd021e012a6be5691f7587a9a09e8cdff271004c536efc09e20ee7a80c30071464a0146146cfad9c61856e99cdfe10f8087e0c24bc47b3410f
SSDEEP

49152:2nAQqMSPbcBVJNRx+TSqTdX1HkQo6SAARdhnvxJM0H9:yDqPoBJRxcSUDk36SAEdhvxWa9

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 (3192) 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
4840	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	2024-11-13_6628d84dc8d027c526087875f227b00e_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	2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2984
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4840

C:\Users\Admin\AppData\Local\Temp\2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-13_6628d84dc8d027c526087875f227b00e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4976

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
5c2a5c8233d0013014a1eec1d2ce47cc

SHA1
4f6abf67c5b9ea8f2ba053a6276095ecf3329bc9

SHA256
ffae568b8df0e4ade5db934ac902d742f92fe40426306970d8b2080516ab327e

SHA512
6684911c57a8e861c03d569b1c6ed4a18efb74595cd8706195b1aae583d19d05270a597234637a0abb74f34df5842b66dd50803c3365b78d57bc94a8e3145c9d

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