wannacry | b89a0c21a8462b4d7efd167713335254990478220f7e8ff812e30288eaab83d7

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 03:46

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General

Target

2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe
Size

3.6MB
MD5

2f5cd0ad1c4dc41787bc8aa7eb6015ec
SHA1

6a8ccf65724ff1c920273268d843cb35a97c8135
SHA256

b89a0c21a8462b4d7efd167713335254990478220f7e8ff812e30288eaab83d7
SHA512

5e3c54863d8d3353416c24ef4a049058e0393dfb5e2034d2c45acc8690c01e094ca2301d9736801607ba3b32d98b5a725076c0c6946903c311e29d844e8e879e
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
Contacts a large (3333) 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
3148	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_2f5cd0ad1c4dc41787bc8aa7eb6015ec_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_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3856
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3148

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f5cd0ad1c4dc41787bc8aa7eb6015ec_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4396

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
bfc8604aa078386da683bb81d672b46d

SHA1
9879e41c001c9009d059927d0fc05355ca57e7f9

SHA256
4b7bcb822b1ccbbcc07bd6796e68ecf46ec9d2533a108a467b1cd316fa9f7969

SHA512
2eaf495c01d9753776f98d816b3b5097fe9551e9802584eb902c2ff11be0f83743e7c4a2d2d58044fda63b4bfc21d12d64b19882db4ee416b63e10fd4748d5e1

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