wannacry | 426595992396cae1f6e247c8afdb900704bff3402d9c5d503a1e33b4dffeafe5

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 15:28

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General

Target

2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe
Size

3.6MB
MD5

582a2a897b7bb6085fa6234733fad546
SHA1

5eca51c5cdd0dc6a031af6bf1a1cb531bf00ff12
SHA256

426595992396cae1f6e247c8afdb900704bff3402d9c5d503a1e33b4dffeafe5
SHA512

bceaa1b20fa340078a8ff89a0003482b7ee22fecd971607b07344fa7c1417f28684c9ea2d1b832e8a72d035a5eacb7ee1b8fd503e11337251a994ea5535fd562
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjGu8kIqRY:2nAQqMSPbcBVQejE

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 (3211) 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
1276	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	2025-02-04_582a2a897b7bb6085fa6234733fad546_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	2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3840
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1276

C:\Users\Admin\AppData\Local\Temp\2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-04_582a2a897b7bb6085fa6234733fad546_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1012

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
936526b7f29e0539bc3f2619f238a8fb

SHA1
44aeb829734ba43df6c46dc57611a367a00223c6

SHA256
d616fdf53bed304f78895eae115b395c8e2f295d99a1b8c6c116e4df8d16612b

SHA512
3895b9e916e6eacfaa98114a44088681c2da19c37d6b9e96e18996d9d6e25076d01352c35898775c200e94c7f9966c587aabae96116747720da00480fe9bee0e

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