wannacry | 8affb96a7eb4c7e47fced502c5d7cde47706ce9b06593da3c0b91492ca3b6a2b

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2025 16:49

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General

Target

2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe
Size

5.0MB
MD5

4243fdf84baa387960ac62ecd2414474
SHA1

da1c82122504416dcaa8d7f1e2a3f5700d174818
SHA256

8affb96a7eb4c7e47fced502c5d7cde47706ce9b06593da3c0b91492ca3b6a2b
SHA512

60aac19455ea499caf025cfb47e89411e37d72f20b74d8fedef4a592821527e3e4005251effcedb6c8e962d1a9a2ad5553953183b307c3e19390ef99ff1b83b8
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SA3dhvxWa9P593R8yAVp2HH:XDqPe1Cxcxk3ZA3UadzR8yc4HH

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 (3120) 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
2284	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	2025-01-28_4243fdf84baa387960ac62ecd2414474_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	2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:452
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2284

C:\Users\Admin\AppData\Local\Temp\2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-28_4243fdf84baa387960ac62ecd2414474_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1532

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
602315bda2d1d08635e2a313b6913af9

SHA1
99fbfe8a71afa8314e32fc2a12b1434a7bb82c45

SHA256
b74e0703723338b6f9cc367396ec011fe34d1d11dd68d3af39c8b6ab0aff4c07

SHA512
632ebef4dfee6801884bc1bd7b2a0c8aafbb780803553cadb36efe1ac3811defd05c11bc281277ca80503a765a2d1d6d22589a0447aeb5188c8ca9a1c4609036

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