wannacry | 088a06b60ce780aafdd351935c1dfb8f68fa783e61e53e1a8d0050045892cef8

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 10:02

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General

Target

2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe
Size

5.0MB
MD5

36fde7bbd39a62af176e704ce0eb9de4
SHA1

17855d179637a3d585a4725808e731003eef6d11
SHA256

088a06b60ce780aafdd351935c1dfb8f68fa783e61e53e1a8d0050045892cef8
SHA512

11a0200f298c4566399e0deedfc072077f5dbe12392505b906bcdcc5ef07b049c696d318c43e3116317f4a57d60b603885baef0ed02a07b61cc58c3afbd7ada9
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:Z8qPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3340) 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
2720	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_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	2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2696
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2720

C:\Users\Admin\AppData\Local\Temp\2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-25_36fde7bbd39a62af176e704ce0eb9de4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2904

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
44d27e70605a2ded2803ca6319c93fb9

SHA1
8fcd27048fde2d49c6e351107233a912d5ce6cce

SHA256
076d473f2b82d6e98b33653f4aeda9ca15494c2fd6f00088f6d90e8b5c15994f

SHA512
92cd25d19a95bedbb0f804c11ad3e9539dafab0f9f6cc3aad5b60690a16fb182594d12be75eead3746d385885a354462740321d0e17ca3d7d19cb5d16bfbcd18

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