wannacry | 42417c342af0532fd134caf83af88dddb11ee97fdec4089b473d0e6f25214311

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 09:25

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General

Target

2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe
Size

3.6MB
MD5

18f04c8392ddb9966c1ab66521d2bddc
SHA1

20c94935d4caebb68d52e5c3a2b85081f8f7e12a
SHA256

42417c342af0532fd134caf83af88dddb11ee97fdec4089b473d0e6f25214311
SHA512

73a6f04cf4e08cd22e3ec54ce43138f9449b0fb630d37c8545b63d8633c8a33787fe385047654c3e92d96767bb3c00b56b1c789939c81e61e1e3df868d49b447
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P59Uc/:yDqPe1Cxcxk3ZAEUadv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3319) 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
2200	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	2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_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	2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_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\IntranetName = "1"	2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4752
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2200

C:\Users\Admin\AppData\Local\Temp\2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-01_18f04c8392ddb9966c1ab66521d2bddc_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3348

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
ad74659274d19807cb0a7b0cf6ae30fa

SHA1
d4c1296d2103d601a01afbe77e8743fbf003953c

SHA256
8a2b7786d69d233eef682a4decc48523e9ed4e4ede7c3b0a9a190b9e6ab440e2

SHA512
9739afc769a195f93dc4037f5740ac9f72cece8c39f7e42a2440902518512d5f71d663b79c8c68da7aee8a09ea2dc2534c26b609dabc8c78c447ae1bf4a2a6ff

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