wannacry | 92da701e9671fe6423bc7767944fcaeb721f5c3087cabad1867bc9db06343b77

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 00:51

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General

Target

2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe
Size

3.6MB
MD5

65b8c922497a18c482828c51e95b9f06
SHA1

854147edb06d7c71bb252297f17018f6491d8a51
SHA256

92da701e9671fe6423bc7767944fcaeb721f5c3087cabad1867bc9db06343b77
SHA512

f55ccd5a755622a2989862be0ec684de1abfdf71e5aabc76f3d619ed73f37c411fe8619158580ca3d2a00baa14ecc1221715ea95b12ab6545243bc88ce42fe3b
SSDEEP

98304:XDqPoBhz1aRASUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPe1CAxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3226) 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
1620	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	2024-10-11_65b8c922497a18c482828c51e95b9f06_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_65b8c922497a18c482828c51e95b9f06_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\AutoDetect = "0"	2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1324
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1620

C:\Users\Admin\AppData\Local\Temp\2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-11_65b8c922497a18c482828c51e95b9f06_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2460

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
53d25b50c8aaa4659ce17d2df26a6bf6

SHA1
0b668d395f7a06bd126b4fba2bf84362bfa9c77a

SHA256
fd90364420c52d312809ec700cf7ba7b620e8c653f0ddbf44bbcbe9da68e4ae4

SHA512
9e4faa2e31960e2c5769d6a1814edcf17232a29dda68f3d3286b69ed58178814e645a909c11be88d4cbe53010f1fda533b7b9f16298761225ce709213e687009

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