wannacry | 0ba983309ad5c87d053d48893c31a233057a53e5f8e381f2173ece65a4b4cefa

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
14-12-2024 12:54

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General

Target

2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Size

5.0MB
MD5

e7b8c810f446c24a4d73e8b2d9182a9f
SHA1

f5816da588cc195ec4a3f6356879e3d06abd6c2e
SHA256

0ba983309ad5c87d053d48893c31a233057a53e5f8e381f2173ece65a4b4cefa
SHA512

722a0a01b68e9ccf91c096b558c725e675e8c6503990b2bc9bf086ebc32f8817d981d7237862556f4a7d73187df83e3a82e9de5c7255e8542f7eaca977fcfec4
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo:yDqPoBhz1aRxcSUDk3

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3335) 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
960	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	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_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	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4332
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:960

C:\Users\Admin\AppData\Local\Temp\2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5032

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
dacd06949f6dac19af37bc5451bd2c7d

SHA1
dafb5c498ce808f1d8c20130a511edc5605ea53a

SHA256
aa36b04935da36f35d9b09f4d3c22ff8bde0124828aa6d3f97a70fd944a623c0

SHA512
be29a3243a92a2c1f771bf3fa9c7a7e5630b11978baf5579484f1145edddc13a3c700048f13ee88cd6a00074030a122be948e2ade4788c46b094a54c23bb9aab

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