wannacry | a24d5c2b876622019f29b571bfb8323850ba41f897a46db31921b47d5678a90e

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
12/10/2024, 03:04

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General

Target
2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe
Size 3.6MB
Sample241012-dkv7aatfmj
SHA256 a24d5c2b876622019f29b571bfb8323850ba41f897a46db31921b47d5678a90e
MD5 1b30fcbdfa563daf9c0e46789d503ad8
SHA1 064a2af58589c26b7912e784d43119bef5dfca9c
SHA512 da396d6d2779291933092421f114b9c78a79adab7ffb58f9ef72b7a99cc7e1d27833e02a9061d74a21eaa430fdacb2ea98c290583007bfa66fa2faef13ab44ca
SSDEEP 6144:GE9l9yUqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYQuy8DLq1eNVDvMr:GvbLgPlu+QhMbaIMu7L5NVE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3366) 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
556	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_1b30fcbdfa563daf9c0e46789d503ad8_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_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_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"	2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3232
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:556

C:\Users\Admin\AppData\Local\Temp\2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_1b30fcbdfa563daf9c0e46789d503ad8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4008

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 c353f52228b6a9683bcf2ebf3d4ac8e9dd0395bf4f51a5bac807f39c9cb2a610
MD5 3fa71c6a4b9df9f6e041429d59f4f678
SHA1 0048c5f62f893516712d835755d5fc580b2e612f
SHA512 c6ea5a98c6b04dfd7974296ad2e4031db406af84ba6df64ddfb2bc9ab5d9d75c2d6650a0901c7e12138040a0e57fcc5949b3a3a7fe3ca911c29b35c14413788f
SSDEEP 3072:BozecK+7hMV9qbUwLIeZYQWOihj4syMKecm/FZqc3XGetyLOkUJTfTg4bvAXr:W2QhMV9qbBLIwYQuy8DLq1eNVDvMr
MD5 SHA1 SHA512 SSDEEP

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