wannacry | d581068cc33ff602642f2ca5a67329d8d711c1c23e2c59399fc901c7a8df8c5a

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 05:53

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General

Target

2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe
Size

3.6MB
MD5

e156dfd1c9245cc3e40d7c004af20eb4
SHA1

cc2594970da64cbb4e5cb404bf56ff9272e986b0
SHA256

d581068cc33ff602642f2ca5a67329d8d711c1c23e2c59399fc901c7a8df8c5a
SHA512

bdc2522f284a7fa7196f8fed003e4ede6d8a671f92df6cd1ef9aeac4e24317901a7c1cdf4620117941c9bd9b3a4b71c1e80da00494f1387f3be87649d47690f5
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0Hz6626M+vbOSSqTPVXmiHkQg6eX6S:2nAQqMSPbcBVOx+TSqTdX1HkQo6S

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3337) 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
2192	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	2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_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	2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_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"	2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:624
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2192

C:\Users\Admin\AppData\Local\Temp\2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_e156dfd1c9245cc3e40d7c004af20eb4_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2168

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
67b0caf8387a9abfac8bf89dfe1ff77b

SHA1
d011f1db31bf237b051bdaeb82746001bdf64729

SHA256
48d8b1c9fe8e29e099d4acd4551dd6b2732ce9428b760b8b5564f5e4c8d15bd7

SHA512
8cd2017915758165341a6dfb0446311484e6e9de2f5ad40113e178f0ce0aa9bbc8b6c3ce7fb6283c6e495e87fa1ba01de8b13924da564c115f6a3b6e82d14663

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