wannacry | 71bc8c76b2382e03192d0289b37b2bc1881061516005576d5ca1e73757c62065

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
04/08/2024, 12:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe
Size

5.0MB
MD5

05f7a0b9dda7596f441a939b622c5ba1
SHA1

95b062f883c1fadbff1a119e0effb4cdb92b54d9
SHA256

71bc8c76b2382e03192d0289b37b2bc1881061516005576d5ca1e73757c62065
SHA512

453dee6e03b6da1f6283229abac5a14a3ab9887fef7c8b308f0e2a8376eca717dc3ab8cb0ec2d8ce3052b53f252e3601be709a3cff75b70652167ed5e58c28a2
SSDEEP

98304:oDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:oDqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3269) 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
5084	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	2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_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	2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4996
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5084

C:\Users\Admin\AppData\Local\Temp\2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-04_05f7a0b9dda7596f441a939b622c5ba1_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5112

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Download Submit
memory/4996-0-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/4996-5-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/5112-1-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download