wannacry | 9712e75274c790fb9b1560e4b4d356688ad558f2576ff64dffeeaa620f3fb044

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 03:43

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General

Target

2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe
Size

3.6MB
MD5

190b5b5bf1213609684937a23785f6e7
SHA1

c65ecb3b24513d87a10acfefdf2ac679907f93d4
SHA256

9712e75274c790fb9b1560e4b4d356688ad558f2576ff64dffeeaa620f3fb044
SHA512

e92221672dfaa99bebe2e202731cd95fbf5148bd32419b2c0e67fe35617cd05b0a351e462d4cb448e73584ca1e7dd893c5c838b98af94900e7dace6bb125a7eb
SSDEEP

49152:XnAQqMSPbcBVQej/1UNRx+TSqTdX1HkQo6SAARdhnvrAH1plAHI:XDqPoBhz1mRxcSUDk36SAEdhvrAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3301) 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
1108	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	2024-10-13_190b5b5bf1213609684937a23785f6e7_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	2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-13_190b5b5bf1213609684937a23785f6e7_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"	2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2896
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1108

C:\Users\Admin\AppData\Local\Temp\2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-13_190b5b5bf1213609684937a23785f6e7_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4956

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
28bc0a432d42f583978dda1ec903d342

SHA1
b376226a880cfb8606e644403ec0b1660bc4bcf1

SHA256
487b9267cd8dcd2f6896984f83bd5541966795dfe66ef455a036fe230d4adee0

SHA512
19e04da9b86e02690261186d88e8b8061db496a68c7e8cd6db71f7b9e733946fbda3924fc8e6f9f35a3f2a827dd95292075b149a06bae6bd379e675b3d53bea3

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