wannacry | 8a818b50f15849b51ba1e44a277892acf43414d68a6d33dce11578e0fcf62616

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 15:45

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General

Target

2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe
Size

5.0MB
MD5

eccd28b3b9d6ede255e33afbf7686a12
SHA1

e4808dcf7b9ee5d2339dfd3056e31776e7710d7f
SHA256

8a818b50f15849b51ba1e44a277892acf43414d68a6d33dce11578e0fcf62616
SHA512

c1460d76d154f55c1abc06d95b0c354ff39000442bda18b0524c82d675f24a3bfa3735938a4eda907f9c192598a63debdabf0ea35ed9575dedf67c5764d2576d
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjGenEaut/8uME7A4kqAH1pNZtA0p+9XEk:2nAQqMSPbcBVQejcEau3R8yAH1plAH

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3275) 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
2464	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	2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_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\IntranetName = "1"	2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1164
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2464

C:\Users\Admin\AppData\Local\Temp\2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-02_eccd28b3b9d6ede255e33afbf7686a12_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3800

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
61436896815daf00e83de3898d096259

SHA1
ef77789007cc51fad5a3caf3b2c908992bbb3b1f

SHA256
4d327f9b2911640488018a7341e4d959d922891d5f278153c64519e32d614fdc

SHA512
dd4ea5c9f5229ca780bb16443f664f68074b57a8eb3eb51cfc94d1c842b0406f02d21086d4434cb127fd9ce8fb24bac17f7e779705e2e022166d7243d23487d2

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