wannacry | 8bd5dcf01f731b74fdcc2274e3c6fc4df1c1ae2022d6fd46cc8d853b5155f036

Analysis

max time kernel
150s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 02:33

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General

Target

2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe
Size

3.6MB
MD5

f474056b961421273f39243041db3fb9
SHA1

09b032f89b290e738f590278f61ee2c5a71d3821
SHA256

8bd5dcf01f731b74fdcc2274e3c6fc4df1c1ae2022d6fd46cc8d853b5155f036
SHA512

a1831578a34d3e01e48ab04fd344f4b24d81232529f0623377bfc27e2ea4e25da1f5f0cfec54c076879f0b8cd0158d1993990000aa86a41c89c98326ffdeadcd
SSDEEP

98304:mDqPoBhz1aRxcSUDk36SAEdhvxWa9P59Uc/J:mDqPe1Cxcxk3ZAEUadv

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 (3249) 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
2116	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	2024-12-05_f474056b961421273f39243041db3fb9_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	2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1716
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2116

C:\Users\Admin\AppData\Local\Temp\2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-05_f474056b961421273f39243041db3fb9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1756

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
72a0273e5bdad2089ab90020265fcbce

SHA1
4a64856c9b86cc9f74fc6e74524d3cb09c3668a4

SHA256
45dc98a814d1bfd4ba7790b607da53678df7c99e3e1747f7ad4f56899e3805e4

SHA512
e02a324565dee584ba64e47936c5ab6a70d0c00e69e9767bf82d8c8195771a8270699f72ad0d64a490d22b0be32b54ce04c3df973baa8e8b65434781e848eb02

Download Submit
memory/1716-0-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/1716-5-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/1756-1-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/1756-6-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download