wannacry | 1f96101739dbfbad5c994ea8188d06d2d6e0cd19a681edf32bbbf9d3651eb6ff

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 05:14

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General

Target

2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe
Size

3.6MB
MD5

d033786ca606984830970d9e8e9d08a3
SHA1

9556e95a90a89902d95b66d989c859de8091b394
SHA256

1f96101739dbfbad5c994ea8188d06d2d6e0cd19a681edf32bbbf9d3651eb6ff
SHA512

c788c63122aea184a689cd5c10113e77aa4373b9cb95908730f5676a295942fabcd2ff91e4c91e8ece442a18c95681ef512c901f2ccc682ba198a17a0f4839d8
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3325) 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
2100	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_d033786ca606984830970d9e8e9d08a3_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_d033786ca606984830970d9e8e9d08a3_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4432
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2100

C:\Users\Admin\AppData\Local\Temp\2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_d033786ca606984830970d9e8e9d08a3_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1728

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
5786aaa4f672424a419d66f9a65043e9

SHA1
86b52a09ece20c196e68346da54f85ab0d1d0a2b

SHA256
1f1ca962967b9e36dc4080039cfdeaba354b88d7daa0767259d3f2e92b695b22

SHA512
d317304be1b09cde275bbb50f04f6c6c39b08b0f215d72cfdbda10a08f04822319e1362a224b03bf45a7c51e18e312091e2cd1cc835f823ac032e98205993cba

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