wannacry | 1240ed50a59a30a7d56364cd7d29acf1f6f61439e10982fe2eab32a2911a684f

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 09:42

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General

Target

2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe
Size

3.6MB
MD5

3664cd55b943a4d3b19963c61f557934
SHA1

7099511b3bb17a9a0af28c012119a3603a07f768
SHA256

1240ed50a59a30a7d56364cd7d29acf1f6f61439e10982fe2eab32a2911a684f
SHA512

232bc7cfe170074b75bc473de9cc0ffed8185675fd36c8724c2ab14dc55e308968a9fd926baeb2fb8dd81260cbffdbfd8b796c2c254eaf1a629c5d0b20623ceb
SSDEEP

24576:0bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPVXmiH:0nAQqMSPbcBVQej/1INRx+TSqTdX1H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3283) 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
2700	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	2024-08-17_3664cd55b943a4d3b19963c61f557934_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	2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-17_3664cd55b943a4d3b19963c61f557934_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"	2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:428
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2700

C:\Users\Admin\AppData\Local\Temp\2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-17_3664cd55b943a4d3b19963c61f557934_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3292

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
ecf5f38772c0630ae223dfd22cb1d363

SHA1
97eebdfce6ee8839c596278c8060d737a2e790a2

SHA256
ef8d739428c0a04fe60510b479c2e564c22c0aab773f07b69e119fbcef07b6bd

SHA512
922cfd4245b4279cdbb4de83552f01c5248ce815a3aa30c3677c94e8f4e27a1868599ed81db807fbd2ec8d68158763f7bc4885c38a23dd4797a585639665e368

Download Submit
memory/428-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/428-4-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/3292-5-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download