wannacry | 11db7bbf963678a44df09acefa2cb75a5580d8a02608867b07939895e1b3756f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 13:28

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General

Target

2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe
Size

3.6MB
MD5

5feb524b16e77125ca39cea8663cf061
SHA1

a9df909ff44cefae2db5e70c19094b42cbd121e0
SHA256

11db7bbf963678a44df09acefa2cb75a5580d8a02608867b07939895e1b3756f
SHA512

6514a92c3ad20b291dd2e25eefc9f068fa7b584eefd53a45f3db7e662567ef478149b21071dfb13e203722d7234bcf455d1ea706ac7f28496ee7576028c8121b
SSDEEP

49152:2nAQqMSPbcBVQej/1IN/A6SAAgR8yAH1plAHI:yDqPoBhz1a/A6SApR8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3175) 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
1404	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	2024-08-23_5feb524b16e77125ca39cea8663cf061_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	2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-23_5feb524b16e77125ca39cea8663cf061_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"	2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1748
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1404

C:\Users\Admin\AppData\Local\Temp\2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-23_5feb524b16e77125ca39cea8663cf061_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4980

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
c257c2ccd02468122f82952f8ee5b567

SHA1
9ac69c85b2a7406aab5d4e061381ef1cdd124153

SHA256
9d1afd85f3d06587436473d9a6475b45f84cd799525b78add5fb646144b8a07b

SHA512
d332e9a8d40dfdd7133e8f506af2cc66912463a1a3b44cbaadc159c0c454e6f406271dc800f531560a6251db5b92b92f8cc33526db7c109255f1504bc85dc2ff

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