wannacry | 644e69842dc717c1e7a0266071840a1506716b0b60510af1be22c8b01ef5dda3

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2024 12:58

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General

Target

2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe
Size

5.0MB
MD5

805037e703c6da6193619e142ab5814e
SHA1

a665331fe49d17b030d02e4010d592154e031ab4
SHA256

644e69842dc717c1e7a0266071840a1506716b0b60510af1be22c8b01ef5dda3
SHA512

5de8249b7b7d9b035c10b8d42aad3cbc32b1aab033c45b2f6a1787a496748cb79a360af7dcc681e804b97c90a736ee7f232fe0496d751683c7bc36c71e35a71b
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:yDqPoBhz1aRxcSUDk36SAEdhvxWa9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3215) 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
3428	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	2024-09-23_805037e703c6da6193619e142ab5814e_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	2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-23_805037e703c6da6193619e142ab5814e_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\ProxyBypass = "1"	2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3468
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3428

C:\Users\Admin\AppData\Local\Temp\2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-23_805037e703c6da6193619e142ab5814e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1660

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
8522ece13c657d22f3a53f57a36ec1fc

SHA1
a4abf0cbf76842de47b6cb6cd47fc7a3cb36dc3b

SHA256
46a6db41a9539d9aab67ab625bdbb4bb71533d7bb2e912c8f7dd91c87bf1854f

SHA512
591ee1153a59eb816fb715d2f425b8346042a095575c8af25e1bcf0c9b5b852dc69fa83682be6a2839782d2cf92b457767fefd5954a4f88172df5d70ddcdda55

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