wannacry | 091fb70b1ef1f0b15491ed0f760f1d4c232eca8fb362a8b0f0c89fe642ce448c

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
23-12-2024 16:43

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General

Target

2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe
Size

3.6MB
MD5

911f799b86fc702375905e5e6780b1fd
SHA1

93fc06540aa8d3e7b434bb1cc89aff76bfa5acc9
SHA256

091fb70b1ef1f0b15491ed0f760f1d4c232eca8fb362a8b0f0c89fe642ce448c
SHA512

d6a7d59632b3279645c93cdcdd0308148ec9c4e0a42e6d3fac282593117ff5656a7c5d4e9262d1f9d9f33b414eb2af830c88e2a9db3d65fa187497fbc9dba12d
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D:2bLgddQhfdmMSirYbcMNgef0

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 (3193) 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
4452	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	2024-12-23_911f799b86fc702375905e5e6780b1fd_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	2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-23_911f799b86fc702375905e5e6780b1fd_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"	2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3124
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4452

C:\Users\Admin\AppData\Local\Temp\2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-23_911f799b86fc702375905e5e6780b1fd_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3260

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
d5a20f521b7c6f6e8d2adb774ef07acf

SHA1
50770461f2149fadeb45fc7709ef4f175119eea0

SHA256
9be77de373e02773dcce3a82b4141795156e594b999a1dfa60172d2de4613969

SHA512
b696a3fadc41a68a88465310b2a83e5e11f5e108c844c0a3de9460626c3ce6ebfd631f8f3d8442980258ea003df729a797b9033089f64685b6bdb10d8928d420

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