wannacry | 9b9040e3b19f9e1d5b60305a18a501f2024d4a3b8c84b7cbfd9f78033e9bd7be

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
12-10-2024 04:32

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General

Target

2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe
Size

3.6MB
MD5

9277571e6ad4a3ddd0b95fb2c7ad983f
SHA1

c801a494f0e8245d0fb98e97128edf8127fe2b70
SHA256

9b9040e3b19f9e1d5b60305a18a501f2024d4a3b8c84b7cbfd9f78033e9bd7be
SHA512

f13ad8285ec53c98b284d33874f488fb05caec752c098d3098986c33c01689a034b779c3e858007f8d08fec50541779dcce78c9eb95ebb7953cab902c2bc952d
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9I:XDqPoBhz1aRxcSUDk36SAEdhvxWa9I

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3213) 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
316	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	2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_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	2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_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"	2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1616
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:316

C:\Users\Admin\AppData\Local\Temp\2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_9277571e6ad4a3ddd0b95fb2c7ad983f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3596

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
def5ddf7bff6f818c419bf970de5a27d

SHA1
81daf5385a7e8a06cfe900eaf8d05cf18e8e7128

SHA256
2bb61a8b7c9a83ea46c184525dc020d72df26ca92403f00c49beac2650a6b9c4

SHA512
08003d9262d5a2d4b80f58077a83d774c8ea70db04c90877d60c79b4310f3cc77c41f06a55f592f105d00a43eec07dda5bdf0ed837352047213e52bbff34945a

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