wannacry | e8421e44bed3983aa1a15a88379efc9d68182c4071c1d7773a3c1d9b0173f1af

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
15-12-2024 08:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe
Size

3.6MB
MD5

99b98e57e4e4f29a1d22a51adee69558
SHA1

63ee2b023790110e22905538a98a58639df565d0
SHA256

e8421e44bed3983aa1a15a88379efc9d68182c4071c1d7773a3c1d9b0173f1af
SHA512

df5abe3153e69738d53d6b4e73b885fbf35b494993f06ff598fa6c42d0c7edf918c04b1a6b69a84ce48810224b77217b6b25884d855ce11c5422409e1b93bd10
SSDEEP

24576:XbLgddQhfdmMSN8kIqRYoAdNLKSs2dycv1Z2zgq:XnAQqMSnIN3s2dycv188q

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 (3068) 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
4828	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	2024-12-15_99b98e57e4e4f29a1d22a51adee69558_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	2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3948
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4828

C:\Users\Admin\AppData\Local\Temp\2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-15_99b98e57e4e4f29a1d22a51adee69558_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2092

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
efa55019430c94bf8f5bd1a1ce80b8ca

SHA1
79f69dd4c5bb5da56786d49a2bffb4ffb45c500a

SHA256
ead9c236d420d361740d271fb31a5aae1d98119b6e960c97e4185333de585a10

SHA512
5057c5560b324cfb2d148188257defd446f0ecee4b7ed5140cb47b8d1a74a6ece32ef2e0fb1d72e75696eafa01c4c6a0c14d53361fda078a1f57ae86b5b4121c

Download Submit