wannacry | 0fb0319479eff8ffab7e20fa6b498128389781a931ffc4b6534db7d02961a3c2

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 10:29

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General

Target

2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Size

3.6MB
MD5

45adb7239478bef3de2528ffbf5b5b4d
SHA1

cada0761743a3c99063f6f236ee89544c268eafc
SHA256

0fb0319479eff8ffab7e20fa6b498128389781a931ffc4b6534db7d02961a3c2
SHA512

f52755436d3b1bcd118a2491fae6e337918e3daa29aa1849d7536a2181500baf95b4a7f2a23357a493834cb6391d55417271fb572e6fb87050df587c50dc588e
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NAQhfYNVUy7ckPU82900Ve7zw+K+DHnmXsDCDxrcllOs:2bLgddQhfdm6QdIVUacMNgef0QnhGDx

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3271) 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
1940	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_45adb7239478bef3de2528ffbf5b5b4d_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_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_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_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:636
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1940

C:\Users\Admin\AppData\Local\Temp\2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4184

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
7ad8869db4877bceaa85c51062f5e3bf

SHA1
7dc2238e127f41393ad3bb04a9a01180cbecd671

SHA256
91870c3328cd505bedf0353fa8c673cf615f856ebc385b3ec3d692cd7ceed3e0

SHA512
86c7401d4a6998d759d7b3928b07fb9335f7983a8f5b0a0c9395ae8c2e78ed49f0ebd4794b25bb905939c4ec5e469e974e3ef866b6c7bce1b251ccc54767a6cb

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