wannacry | 2bae6e502f89145ed30ecd7b0c2f6a92594da59b580c360fce7b03762ab99fda

Analysis

max time kernel
150s
max time network
153s
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 05:28

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General

Target

2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Size

3.6MB
MD5

de6e94d5591fd75f5100442ae4be3b7e
SHA1

6ac0c286b0ba577ac07168d4870f8f0ad9d67e8d
SHA256

2bae6e502f89145ed30ecd7b0c2f6a92594da59b580c360fce7b03762ab99fda
SHA512

95f12ff30d11c6951d419a9d0e8969364b3464f0390173051f979595524fe65ac2620764277b7be11c01b47374d707334916fa1ea2865c134137fefcf5be14f4
SSDEEP

98304:oDqPoBhz1aRxcSUDkEQv9Snm1tnr7DRbxyE1CaX+G4Q8F5:oDqPe1CxcxkEQv9Snm1tnr7DRbxyE1CN

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3208) 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
2840	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_de6e94d5591fd75f5100442ae4be3b7e_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_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_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_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2420
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2840

C:\Users\Admin\AppData\Local\Temp\2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1844

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
913198f3e8dd9036ce5001f49b670fab

SHA1
f3db77750604a3c586544763630354e71825b736

SHA256
84101afa0756983f0274efab7890f377b22356281bdd236a4657844d958effb2

SHA512
098818ea840a28f33ff60af0f0fabe907cf5052c935192c7661ffdcbe06c015d6843c55fa9d5b02d7cdde6da447c9ec0018f7339ddaee494298bf61618000352

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