wannacry | 841e19e6afe7f18da0795b413b5e620934331d6ba4e4e59f28e72a2b86c18922

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23-07-2024 10:27

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General

Target

2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe
Size

3.6MB
MD5

6e33509dd62c9dc60d1a41d35359c5ee
SHA1

fe233021b767fe379cc11b7708180e9abf06b802
SHA256

841e19e6afe7f18da0795b413b5e620934331d6ba4e4e59f28e72a2b86c18922
SHA512

8054a8a61bd3c39481bf7a4c691edff91d283eb5b0b582b0bfc51cfb0486c7d9b3c9571eb99e0d94379b8daacda2e40863dbf7f437c70ad89cea11bc92534d43
SSDEEP

49152:2nAQqMSPrd7Xkmum9r9kWxjQpmmlzV7ZKInv:yDqPxkmum9rqWxjQ9lzZZKov

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3250) 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
1892	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	2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:5048
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1892

C:\Users\Admin\AppData\Local\Temp\2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-23_6e33509dd62c9dc60d1a41d35359c5ee_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4060

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
eccf16b36cd678c3e50c42de67e8931f

SHA1
f52c362e815fc47e778c76301a74968c1752ec18

SHA256
8c7a79df91457352afb8f41a7cbc9edf534640d57f9acfadd8c529686702a057

SHA512
5d7167fbe20f05d49da414be36d077946b2c276c2a8b6a61466d16cc5ab8a7b4690f5761533faed0a6bdf4f3ccac08cb17341ed2b8de7e74fde6a5f33d5e0db7

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