wannacry | 5c26ab0ac8bcb0163532bacc9dcaefad8eabcde54096c077ff5106d540d1e711

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
21-09-2024 10:44

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General

Target

2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe
Size

5.0MB
MD5

033d88f940d1baabe13287bee707b69e
SHA1

b435bc1d590d5ebf7463587341f4c3669faa418e
SHA256

5c26ab0ac8bcb0163532bacc9dcaefad8eabcde54096c077ff5106d540d1e711
SHA512

939ed8db4259ead0c61e32e7e121a57a744d523538669798c2fcd86588dddbaca7e501845ced5a5734ada5cbf673e2412930e4b4cf5f24e5cc3404a21acb9558
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAKAMEcaEaue5c/bXZROAx:yDqPoBhz1aRxcSUDk36SAZ59Uc/J

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3189) 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
2424	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	2024-09-21_033d88f940d1baabe13287bee707b69e_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	2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-21_033d88f940d1baabe13287bee707b69e_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"	2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:232
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2424

C:\Users\Admin\AppData\Local\Temp\2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-21_033d88f940d1baabe13287bee707b69e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1204

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
ea4a3a376f0d13be957338954e4f1272

SHA1
ee3ca7a7a6b094d6ad888c134f3625abb79b5788

SHA256
f2484eae21e4b0e433386d23bbdb883a7af3f136151b3e46001fbf083c337b8a

SHA512
37931593d06acd4417baeea5fb78f7649b8a98d7ae94b5d4aa34f1b36a7e82b89dc661abded93caf5c3fbd80aa38c5f1a98a7c85cabf43dacd0301afc903a761

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