wannacry | 1bce73c12d4919ad9fb0e34d30935043bd23be8245ce035d4c9eed2c5c564d15

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
05-11-2024 09:54

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General

Target

2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Size

3.6MB
MD5

4d6bc0e6ced4880214d3e0f2a33aac57
SHA1

f4ecfce8ee96d5e4c0d06d6c7a057034d8208b56
SHA256

1bce73c12d4919ad9fb0e34d30935043bd23be8245ce035d4c9eed2c5c564d15
SHA512

fadfbf4dd44a66ed1157e4db0156afd7001132787931542331b28f6887419a490aa544dfcf930d69513a9368072f7b3cd087e0d917987d67e749365c9d1ee77f
SSDEEP

49152:2nAQqMSPbcBKvxJM0H9PAMEcaEau3R8yAH1plAHI:yDqPoBSxWa9P593R8yAVp2HI

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 (3370) 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
316	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	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_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	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_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"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3936
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:316

C:\Users\Admin\AppData\Local\Temp\2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4148

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
9690157181b2643f53fcabfa11633aeb

SHA1
15e4de79dfcece9a78eb97ea1f5ec873a006c554

SHA256
881a723090a0682f70b920c24948698f319c20bf90e27e03a910a4f2048cdb2c

SHA512
7d1f10fcfb906841242e901ff52173d21ee1b8b8c8148d858a7d1f5520fb9f34eb105f1cc29a712cab0f1e98e7e22123d73d1962e97becc730de6b616be51487

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