wannacry | 8cee9ce56f1a958d285d34c03cd47e1b3fa15b27dd142994f992e7b837981500

Analysis

max time kernel
150s
max time network
151s
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, 02:33

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General

Target
2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe
Size 3.6MB
Sample241112-c156rasjay
SHA256 8cee9ce56f1a958d285d34c03cd47e1b3fa15b27dd142994f992e7b837981500
MD5 a1f604a8258ca8df0d4466fdc6b71ded
SHA1 4ee04369b4bef78d37adfec37e01227bc2766572
SHA512 43b00f08a21bc7bf074d839ad1c07aa2cdc16c08a4f9557e9dc70bafe97bd5dc52d88f9902b3fc3b6c2c7cefcaf610f860e9e23bd833e6ab8098e400b8d62162
SSDEEP 98304:XDqPoBhz1aRxcSUDkn6SAEdhvxWa9P593R8yAVp2HI:XDqPe1CxcxknZAEUadzR8yc4HI
MD5 SHA1 SHA512 SSDEEP

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 (3289) 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
1132	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	2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_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	2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_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"	2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3132
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1132

C:\Users\Admin\AppData\Local\Temp\2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-12_a1f604a8258ca8df0d4466fdc6b71ded_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4024

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 181ed2fbf4f2ed4fb186faf5d15b05e342e8f24ba5d9b7cbde786a1e70b0ca27
MD5 be9858384a5352c00667fccbab091bc2
SHA1 2ffdef1cd77c680cd6b38390e29a8d1044cc51c0
SHA512 ff520c4587fb44e34e92dc437c6221ce421c178e76a5f9a52826e8dd289e372d3b8ca778160efa35ebd104b32d5ce2467f549edf75aa28293fa0c736bcbec5ad
SSDEEP 98304:QqPoBhz1aRxcSUDkn6SAEdhvxWa9P593R8yAVp2Hj:QqPe1CxcxknZAEUadzR8yc4Hj
MD5 SHA1 SHA512 SSDEEP

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