wannacry | dadfa38538399402b9ad74be92ba2d63420a38ef565831e7828fc12ec5f13a8e

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 22:53

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General

Target

2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe
Size

3.6MB
MD5

f3d461244caa4fa99eddb1bcd8f8e5f6
SHA1

a14aa0617df55e5ea36a377bfe1b1683f322b2ca
SHA256

dadfa38538399402b9ad74be92ba2d63420a38ef565831e7828fc12ec5f13a8e
SHA512

f2a632840c35e098cec82e61bbb79e07b9b278677b99c0a98cc1f32777948923475389b0bee4f1e5fb4c54f32f39f83b1e03ba7f8aa130b7d77612008bd8901b
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6S:yDqPoBhz1aRxcSUDk36S

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3325) 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
436	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	2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_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	2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_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\UNCAsIntranet = "1"	2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1028
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:436

C:\Users\Admin\AppData\Local\Temp\2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-22_f3d461244caa4fa99eddb1bcd8f8e5f6_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1584

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
117c8579fbf9d712a4b883adecb0be5e

SHA1
c37f9b721b804a7b13898888b635f97910401369

SHA256
5faac8ff2211687c3d4e25d17393a308b1f720e6fa4763083de88411f83016d6

SHA512
0b404ecc4eedce02c6a982d3324ece4ac995bbdd4ca4b2557999ab6e43d66591228e3d18e1cd5735f48f429ab6a85715ec1f866a471e3b766d3cf794a2b5c600

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