wannacry | f8531d0d55940c3aff0d45ee19dcd73fe7a9db2b6a9f5ee6bdca8f3381c36336

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 09:39

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General

Target

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Size

5.0MB
MD5

6ce565c1ca70119d837f78e0b8efd848
SHA1

37d93acf3e13e243ea7bea0ac30731f70054fddb
SHA256

f8531d0d55940c3aff0d45ee19dcd73fe7a9db2b6a9f5ee6bdca8f3381c36336
SHA512

35d41e0e751fcc43ed77cde9949d53b5a21311805ba3c9b2c530cf8ee0c6d53371e8359099fd939aefbb436302eade4e224aa8417e5e736a656c062ee98ecff7
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3317) 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

Processes:

tasksche.exe

pid	Process
4820	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

Processes:

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_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

Processes:

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3236
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4820

C:\Users\Admin\AppData\Local\Temp\2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1476

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
cd06434f043dfe2ca3e25d1048f843d2

SHA1
58183787d61ddf43471eb7edf2f47f8ad1901599

SHA256
8b49ef6beceea3ddcd681b59ada3b193a43a88c6d191e03e56a5dd497bf1717a

SHA512
1af044af675d5b5fd1fdc3e595186f744c32d72549901a611ad252f22116ae2be672bfaa9bd480e2e60802faa5e15519e3dbdbb9c38b62ba5a325ed2d912afbf

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