wannacry | b4f47d5fc816a528dc12ff780c372044adc63567800b8cbc72b522e790057a2e

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
04/06/2024, 06:26

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General

Target

2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe
Size

3.6MB
MD5

3e24dc065780331c69d37abb60d1f7e2
SHA1

5fa201a38c52682c1a724f4a38ca47b59610cb79
SHA256

b4f47d5fc816a528dc12ff780c372044adc63567800b8cbc72b522e790057a2e
SHA512

2551a832a83d3ffe44e3eef671ec5e1c37dceb7ec2a86c5d6c79c63dc8a862810cea1e8d1f36cacb4e0f350433a213b28a765de4c3c1a24688fc5eb28ba4aeba
SSDEEP

98304:XDqPoB+aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPvCxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3339) 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
896	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	2024-06-04_3e24dc065780331c69d37abb60d1f7e2_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"	2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:3496
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:896

C:\Users\Admin\AppData\Local\Temp\2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-04_3e24dc065780331c69d37abb60d1f7e2_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3564

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
864bba3d2125756cce162879fd4e2626

SHA1
5d09371bc7bc6ccc2789ec4cf73278f438337fab

SHA256
752486aa679776a42a045be585e24e8694bd4baa0b0777c1a5ae224ec8d72db3

SHA512
aa5415fa3604da5af80c02a1b6fc6befbaf9968bf37c2458faa49f4a3da235f2282eb0eefd8e02cb53e8a2913dc586733b46fec8b4280198810eba86ba72f43c

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