wannacry | d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 09:45

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General

Target

2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe
Size

5.0MB
MD5

02a87628edf10f6fe827cad8206dab00
SHA1

c946ee90f39b8cc8e631c2dc1857ec0d96d7d24e
SHA256

d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08
SHA512

d142e64acd01d38c046f48150d93ecc8b875574fdbec0a3a9c10e1538296d3ec9e4cb3089806221ff4f1a7804b90ca72648461d9db191c0c7331040f1963a949
SSDEEP

98304:ZDqPoBhz1aRxcSUDkWx7QY83EKx1eKOCXc:ZDqPe1CxcxkA7j83PxISXc

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3320) 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
2352	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	2024-09-29_02a87628edf10f6fe827cad8206dab00_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	2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2352

C:\Users\Admin\AppData\Local\Temp\2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_02a87628edf10f6fe827cad8206dab00_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5048

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
23a7477cfc59a613471d698c46ca7345

SHA1
b8ee0366e853acd48a27ded7ad5c834ecf6f1927

SHA256
e4f4d5272f442d7abee7bd9bfd478766e7a81afc2f4959edbe61f60136cb2a24

SHA512
9693e5f2cd4f563589479b768b98011b6768b8dcfc897479ba4010caff60c634e50c772b0dcfeefe13f41c0b015e48f74d8ebd2c6a0b4e30202d7047acbd5358

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