wannacry | 373ec52e5d8a0276b68c43970057f413ccd26fe65cea5772b28afad524337f5b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2025 22:54

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General

Target

2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe
Size

5.0MB
MD5

bcad73cb6776fa8ea72152020dd1974d
SHA1

797abb122dc504bdbe164ad7dcabda86b290faa0
SHA256

373ec52e5d8a0276b68c43970057f413ccd26fe65cea5772b28afad524337f5b
SHA512

080119cb63ec311f36f53c0e6ad84cfe805e1c8b4986b9264df1aeb7dadc5594175bf35cb285ac59fa2c1c5df3db7416a7d19362e754c11be8b9d7e144a9bf03
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA4hnvxJM0H9PAMEcaEaur:yDqPoBhz1aRxcSUDk36SABhvxWa9P59r

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 (3293) 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
828	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	2025-01-30_bcad73cb6776fa8ea72152020dd1974d_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	2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2488
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:828

C:\Users\Admin\AppData\Local\Temp\2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-30_bcad73cb6776fa8ea72152020dd1974d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4472

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
42e2e3bb7d23af2bd402aa8ffe89eacc

SHA1
2224257216d3168798c7782e668de7ca2f3a8554

SHA256
016d016763f10051b7fc280f144beca5e64fed102fb605fe1adf129e21803ae9

SHA512
e281fb4e7f16e68505a49c4fd9c8bf8e1dc18528d74eaf27e33acac1d8f18e90b0615120913c54eb72ad36d43672a62cd75a721af3961cb8a151956d8780fb6b

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