wannacry | 069c4beccb86d69dd91dc153bfb63042156d1d5d215002a3471d278c25105bc1

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
31-08-2024 20:23

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General

Target

2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Size

3.6MB
MD5

2b49b13445e21852d9dfa48fadb3e7f9
SHA1

3ef5a499e90730a1a59cf7e43ed1621c69ae172f
SHA256

069c4beccb86d69dd91dc153bfb63042156d1d5d215002a3471d278c25105bc1
SHA512

79b77c4db3f76296a50aa54287ba19ad771ed48020fc8c121b69caa0a3846ca4c78b8be08bcf4f2b6f2b7545b851d855eff8c5adf77328ec395b70c685cfc037
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAVvxWa9p593R8yAVp2HI:XDqPe1Cxcxk3ZAyaPzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3351) 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
3988	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	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_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	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_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\UNCAsIntranet = "1"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3932
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3988

C:\Users\Admin\AppData\Local\Temp\2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:752

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
6ca3195f0e24912321277cfc20cc3b6c

SHA1
d871e04be352f05423ec54acc26e3df4b6a68363

SHA256
faa6cf366afcffa39c3797c29371dc7a871fa7f11ac73fbac40d81ab6df4d891

SHA512
7d49abc8d79da5a05b88702a8f8377db445769f3fd6441ab9f9108a34498275ef24d6fb56766ccbe1f0a9123c39b2fabe9681b0b011bb6ed9037f1ce93e8cb13

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