wannacry | 2e7272a4815c5eb858fd96775093bb43331afd613e00125dcf3c0869a0360a77

Analysis

max time kernel
150s
max time network
150s
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, 03:50

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General

Target
2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Size 3.6MB
Sample241012-eecy7awejj
SHA256 2e7272a4815c5eb858fd96775093bb43331afd613e00125dcf3c0869a0360a77
MD5 66f90b20a55a95ac3c40881296c1e052
SHA1 7f5feea526786b9303fa0b0cc598cbd6ff6c9bbf
SHA512 bafbe5dab300abb02ea5e1ca49c91a80b5ba5f3e5554059d88840e208cce703892b0e42f40786a119d700513724a22da26f6f3cb5d3d630ab5d63c42594f32c8
SSDEEP 49152:2nAQqMSPbcBVTNRx+TSqTdX1HkQo6SAARdhnv:yDqPoBfRxcSUDk36SAEdhv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3052) 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
2660	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_66f90b20a55a95ac3c40881296c1e052_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_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3564
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2660

C:\Users\Admin\AppData\Local\Temp\2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3128

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 550c355650a31a82e2f9470719ee7a075518b0b50c93358556bf6d9725e24335
MD5 d8824e6a7ff48995baac080f3ecf55fb
SHA1 faaab4ca804cade5aac806212d19ec557ef78edf
SHA512 7452fc06639eb9614977b9be4a429eed8f2d050da468532cd77509fd9ad61299aa6369afee5a24d8befda58da120aaf30c409b1ef48dada43adcadbb48d01de0
SSDEEP 49152:nQqMSPbcBVTNRx+TSqTdX1HkQo6SAARdhnvw:QqPoBfRxcSUDk36SAEdhvw
MD5 SHA1 SHA512 SSDEEP

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