wannacry | c81216fd45d58e4a55997ee397f00fb731e2a982cf4a669e9c1fcdc9103990c8

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
25/01/2025, 22:52

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General

Target

2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe
Size

5.0MB
MD5

6d8446a9634e7a4d4ecb8dbd26a16742
SHA1

dfe9da92900b7094533744bb02d51e149de9ab66
SHA256

c81216fd45d58e4a55997ee397f00fb731e2a982cf4a669e9c1fcdc9103990c8
SHA512

d7d665f36fa95379a182de13e61a052a8eedbe41b86d63201267300d6027d4a2efbfa4deb9f37666f2c36ce98af84ec5258fe93c25a96986ef11e05ee9555b59
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA4hnvxJM0H9PAMEcaEau:yDqPoBhz1aRxcSUDk36SABhvxWa9P59

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 (3197) 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
1352	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	2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_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	2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3736
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1352

C:\Users\Admin\AppData\Local\Temp\2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-25_6d8446a9634e7a4d4ecb8dbd26a16742_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:736

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
42e2e3bb7d23af2bd402aa8ffe89eacc

SHA1
2224257216d3168798c7782e668de7ca2f3a8554

SHA256
016d016763f10051b7fc280f144beca5e64fed102fb605fe1adf129e21803ae9

SHA512
e281fb4e7f16e68505a49c4fd9c8bf8e1dc18528d74eaf27e33acac1d8f18e90b0615120913c54eb72ad36d43672a62cd75a721af3961cb8a151956d8780fb6b

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