wannacry | 110f5eeb28d0ad4767c6dd8c4a381a961f1599e86d742edbdc123965b495fe34

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 09:54

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General

Target

2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe
Size

5.0MB
MD5

53f46a446e21f0569d2c5db84fdea89d
SHA1

fd3d47ca80a4c509a433094b672210805246f340
SHA256

110f5eeb28d0ad4767c6dd8c4a381a961f1599e86d742edbdc123965b495fe34
SHA512

47b359eddcafc214618bc4dbf86470681c6218c323a648d2ebab3b6fb88d7b72c30514eec54b9c6bc3f4396f24980576f51a8ed63d4e44c1ec109e56639c53e9
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593LAVp2:XDqPe1Cxcxk3ZAEUadzLc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3136) 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
4656	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	2024-09-29_53f46a446e21f0569d2c5db84fdea89d_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	2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_53f46a446e21f0569d2c5db84fdea89d_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"	2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3512
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4656

C:\Users\Admin\AppData\Local\Temp\2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_53f46a446e21f0569d2c5db84fdea89d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2820

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
5ad1ea6ca4c844a7be162bb218a5c610

SHA1
a56f8dcf14f03485d68df8456e373f8f209bd42d

SHA256
4f418fa2d23be76712a0ba2a95c2ec7269bace3647272b819a98c159280905e9

SHA512
4a5990ced726cf1d78250f5201265bf339f6d5340ea11c5b0d599ee867179c56fd27340268feadea0156d6d4913df4401ff251561370f149d46b6a90d32169ec

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