wannacry | 6c205c61e49c3f9dfa5648cebe8e573b6317fd3d4ea6b22a65c8bb1e17a3198d

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 14:43

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General

Target

2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Size

5.0MB
MD5

ebda9fcc7729dd225a8fdcb9b429ead8
SHA1

38c6c5d890ce4fc5f2d6e9671b963f497eaba406
SHA256

6c205c61e49c3f9dfa5648cebe8e573b6317fd3d4ea6b22a65c8bb1e17a3198d
SHA512

973fb700aad389c4b1317f6fdffa8057c167443957e44e3776426250c14cf46e8aaee98b1c513869c2fcc36147b59954396f78cc0613deb94f62d3979ac95f3e
SSDEEP

98304:XhqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:XhqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3165) 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
1776	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	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_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	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_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"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4100
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1776

C:\Users\Admin\AppData\Local\Temp\2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:800

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
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

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