wannacry | 28f5e48871e37772162ca2d9ef5ba905a65ee894aa518a63f26221ae9dda195e

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
12-11-2024 16:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Size

3.6MB
MD5

70b52d2bf5192eaebd53e883ffa9c35c
SHA1

32c92daddbf55b011772ee707bc7ca6e6e8f6d6b
SHA256

28f5e48871e37772162ca2d9ef5ba905a65ee894aa518a63f26221ae9dda195e
SHA512

80ad800047fb57af599991fc8bc295b0c9a36a3bf59f2492cf82b06afdadaa62b9377c5f24eb04ba2d3bc867d5816e7ad9eb5cd367d84863b0e99f5d51f50d7b
SSDEEP

49152:XnAQHMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:XDHPoBhz1aRxcSUDk36SAEdhv

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 (3227) 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

Processes:

tasksche.exe

pid process

800 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

Processes:

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

pid	process
800	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_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

Processes:

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3576
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:800

C:\Users\Admin\AppData\Local\Temp\2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1300

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
48102f4fe8131c4eb747ffb80baa1243

SHA1
7e648303720a848979a483edca83e5dc74e82baa

SHA256
ae314684678031439f8f5b9a3cc1339d6611c56009968b4ddcbb7e0e6dba9498

SHA512
1894300e8257d833e2b2a6c503fc5da8656d043b1cc73b2eac5e775b23abb7df77b5d504855f647c6c226062b7d88d4bf1a8a1b2f6d20aaeb2ac6502fed11a04

Download Submit