wannacry | 044ede5358a062c9655356a40cad6745b1e263deb50fed5de9a37dd352ef2063

Resubmissions

19-12-2024 22:24

241219-2bbnaa1qax 10

19-12-2024 16:47

241219-vatzxawkdz 10

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 16:47

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General

Target

2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe
Size

3.6MB
MD5

2d47a14542aa40b55a67b787968f68f5
SHA1

bec3af39ccb04963b80e4b9966c95c7ceca85234
SHA256

044ede5358a062c9655356a40cad6745b1e263deb50fed5de9a37dd352ef2063
SHA512

f70a09b63fb5f75349afa12e66903d585f1e95a24fa16c2236d420a7694fe61115041438bcae8f2a51671ce6bba3f879e8bbc9353e7547b25d03275e4b65c3f7
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0tuYAMEcpcL7nEaut/8uME7A4kqAH1:2nAQqMSPbcBVpAMEcaEau3R8yAH1

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 (3094) 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
3776	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	2024-12-19_2d47a14542aa40b55a67b787968f68f5_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	2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_2d47a14542aa40b55a67b787968f68f5_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\AutoDetect = "0"	2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3204
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3776

C:\Users\Admin\AppData\Local\Temp\2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-19_2d47a14542aa40b55a67b787968f68f5_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3516

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
466b2586773207940459623e06e51c0a

SHA1
77e02dc0690d416dd19b0625377b49c4e67bc8ba

SHA256
799cbeb8daa62feb3955b13ee7b7fec330a831098308a51124e794f7ee67ff8e

SHA512
ce7239a0a73255d1cbbf2e14eead45832c405a7e09e02abc43114994e300441d159bfee892f994e90d5af05de105e6604e21c6c331a0bca362941d03c9a4c91f

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