wannacry | 7f12f469b6abb6fa29ce5c5200d5a677c70975ac103478d11ebdbeb81b2fb0eb

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24-03-2024 05:04

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24-03-2024 04:03

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Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-03-2024 03:43

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General

Target

2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Size

3.6MB
MD5

4fe6ac7f3aa7690c523a4ae5dff31da4
SHA1

d86c9887fb7dfc216a467d6aa5a8d5b986495a89
SHA256

7f12f469b6abb6fa29ce5c5200d5a677c70975ac103478d11ebdbeb81b2fb0eb
SHA512

17d578d9661daf340e4dec29d65d22246e38a4aabce0b6fd7659a39a0896eb8d37f6951ff5a3a3b0ca843aff17731507af40dd26ce64617aa9670596b4624470
SSDEEP

98304:y763opJtK5ZcSUDcn6SAcdZvxWa9P593N:y763atKZcxcnZAcMadzN

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3320) 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

4812 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:

2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

pid	process
4812	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:4616

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4812

C:\Users\Admin\AppData\Local\Temp\2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
3df2667ef94776eeb272a1404801f118

SHA1
0741698e6d3460284494b239bf6bac7d9e0d3a99

SHA256
891fa5f91382fd21322df4b0137f6c865d96fe376c88f6849592cd4942254520

SHA512
705921a25f6245e553358517a98996def0dcc878037f73bd332ee6ddd56cb208948b45a00ce42fbd94972e99a8959f44458dcf3669ac798625bfaec8fdaf6dc6

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