wannacry | 1bd7c0452f249b155cbe92812a117a4b366e9e86bd7707178bd0e106c1b185bb

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-10-2024 10:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe
Size

3.6MB
MD5

e8c90856e34bc026072884a6375323b1
SHA1

8ac7503d63306f795c2cdaacfa2b426bae831a03
SHA256

1bd7c0452f249b155cbe92812a117a4b366e9e86bd7707178bd0e106c1b185bb
SHA512

1758c4f47b81ffecb6ccb18ee13e1447c6a5257d1cc4e8fc2050c0bcf96f74fdbe959cb7435bd822e477c51055acec7f690458c63ae25d41aff8088aa3142f32
SSDEEP

49152:2nAQqMSPbcBVQej0x+TSqTdv6SA9vxJM0H9PAMEcxyAH1plAHI:yDqPoBhwxcSUR6SAVxWa9P5HyAVp2HI

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 (3349) 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
1980	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	2024-10-28_e8c90856e34bc026072884a6375323b1_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	2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-28_e8c90856e34bc026072884a6375323b1_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\AutoDetect = "0"	2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2776
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1980

C:\Users\Admin\AppData\Local\Temp\2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-28_e8c90856e34bc026072884a6375323b1_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4808

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
7483aed8e5a9a9dd2b5ea1821a8df609

SHA1
62b0e7d51e8cd0192a7a7a822851a9f4bd15966e

SHA256
c808ae843ab218e0a61b2d4d099cdfc6e8369e4f64b151115705d6ad449e23f9

SHA512
b279cd4452654fb34cf831734c8177a51e4105b8df6eb60da9b97e921c643be0b92977dac6d7f144214833ffab611b41346a64b37e21a49cbade7d72ebd98c7c

Download Submit