wannacry | dd494879a7740475c90734edfaedc9ee15690985640fd5bf161b099940bd6861

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 09:31

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General

Target

2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe
Size

3.6MB
MD5

4a17783e929158b68bc11a6d8807de24
SHA1

53201f077f204b9ad443e41582b6617fd4992038
SHA256

dd494879a7740475c90734edfaedc9ee15690985640fd5bf161b099940bd6861
SHA512

6eb03f4fa29f0cde556ed75ffcc690b9efc7de357be2db69ac91e507e9bb1c7719697d27bec7a6c6c5ffe2c7dea6c96f6f6cfd1684f120135524d15163646a4e
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P59Uc/:yDqPe1Cxcxk3ZAEUadv

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 (3339) 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
5004	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	2025-01-17_4a17783e929158b68bc11a6d8807de24_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	2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:708
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5004

C:\Users\Admin\AppData\Local\Temp\2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-17_4a17783e929158b68bc11a6d8807de24_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4764

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
5129b079b6d8f6a8e4ba1cc3ae29bafd

SHA1
19507fd6408427cf0879255092dc2f2d9a733578

SHA256
1e2b708be4aa37e02b3c5d3916945ea4b38e5156fb016d7063c1d2341d5d7176

SHA512
ea4fab989b50f4ae92e76d779b0804c5233c7a1ef48d909af9989b628fdb8a666ac8e8a3b66d90040e706d08ff90afead533a925acdb4766dce8d6e2f939024d

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