wannacry | 8db0318efac2fd1b02c8b9460923adc41493d82e7c91783e6bd9696bf22cbbad

Analysis

max time kernel
150s
max time network
157s
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 16:53

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General

Target

2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe
Size

5.0MB
MD5

31e65a13cb478eefcd6ba0c5bd82969f
SHA1

b507d6384d38e443d617d8072854ab36b924b61c
SHA256

8db0318efac2fd1b02c8b9460923adc41493d82e7c91783e6bd9696bf22cbbad
SHA512

612c52b74ac571130274d97192a9330b0697176e9a3a71729948a834aa955954cd894382ec7fc8db62c44d39ad161c1df3d99bb74a86fd2692408b6c931ede1c
SSDEEP

98304:XDqPoBhz1aRESUDk36SSxWa9P+33AVp2H:XDqPe1CExk3ZFadQ3c4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3190) 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

Processes:

tasksche.exe

pid	Process
3376	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

Processes:

2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_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

Processes:

2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1664
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3376

C:\Users\Admin\AppData\Local\Temp\2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-13_31e65a13cb478eefcd6ba0c5bd82969f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4496

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
99cab4e4ece2c5e875595864e1f9f9db

SHA1
0c8d1902ed7d5165b1e3e34bcd5f3acaa4cecc18

SHA256
28a68a0ab5e3e13689860d748dd67cdcf553fb326c02952e9784462e3067a99f

SHA512
10e2d47898e691a6d60f1ad3d791265ef959a7245305d9a732c9150ce10bc01c01be17f9321a9b08ab7416cabdb76bde5240b6ac578ef3fbc779a696fa6b1d02

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