wannacry | 8e1672053395a1b003b17b41952e3918e2e0d12030b66ca12768a87b82519033

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 16:25

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General

Target

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Size

5.0MB
MD5

18b2c11158e471eed32ed6f966ad984d
SHA1

0bddb663e71e7e2d5b803058d0e5b0fae4a6182c
SHA256

8e1672053395a1b003b17b41952e3918e2e0d12030b66ca12768a87b82519033
SHA512

77b06a1705065a29c1cc945e87fb20b3b43fa78c3a69ef492e4436512fa22b5955bb248fbb4c5328f66a09c1c0a70c837b84f2e8af5026979a3acc94ef085a43
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7z:2bLgddQhfdmMSirYbcMNgef

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 (3304) 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

Processes:

tasksche.exe

pid process

4200 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

Processes:

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

pid	process
4200	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-11_18b2c11158e471eed32ed6f966ad984d_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

Processes:

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4384
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4200

C:\Users\Admin\AppData\Local\Temp\2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1204

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
bff7a3cbcd7c2450553cdc3647d366fa

SHA1
9c6fec1111ab160eadc71e9b92538319bf1c038a

SHA256
c4ee52f2ec9f934854b6b5ae8801d9fa45828881c98ded93c9d65fdc22ed6496

SHA512
e29254b3cc7840f6a75d445ca943a880f51d357e08ee0f4ed24bac90296d7a3e28bc876ae644e7851bdec83397fb195f1366fefff3b6dc015a73b2d5fb7a70f9

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