wannacry | 66ed688846f845d3f69f7e10adec49b4071a1b59440197c02a438cbe2e0d994a

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
22-11-2024 10:28

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General

Target

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Size

5.0MB
MD5

320e567f1b4d94ef24c45a8e8b297338
SHA1

e710cedb15396c5ef5aa73df807b7437117b0053
SHA256

66ed688846f845d3f69f7e10adec49b4071a1b59440197c02a438cbe2e0d994a
SHA512

0b999e0aafa0f5c1f0574b3278ab1eb0bd23a578a271ad38d0e92b1a3d3bc07b99a8a0bd12ce8bbd8fe9bc55ad5443e18cd246409175d9559241e3cc43d31cb8
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:XDqPoBhz1aRxcSUDk36SAEdhvxWa9

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 (3226) 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
4636	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:

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_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:

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:556
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4636

C:\Users\Admin\AppData\Local\Temp\2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-22_320e567f1b4d94ef24c45a8e8b297338_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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
3f79b59f7defd742b32f25945972066f

SHA1
1369e32d4ee95b8471ef53e88f13d62796f27444

SHA256
655f6e807027362c9a3bf88d38a958779d136dcb49fd245b2cc7e02aeedd4a0b

SHA512
928057be7cc1df93371b8b46bbe1d6e572ef428e9f0aa928bc4ea071b20676b383ef82f0e5c9f06a651a813b77b87b1fdfc7303b4efec1ab6eeb0dc0f9328c8c

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