wannacry | 2440e22c72810d285306f7cbd386f476bfb67b60dd2f5d8e5ba44b0279e3b6a2

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
29-09-2024 09:57

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General

Target

2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Size

5.0MB
MD5

dab5be882a328c6d13589f410aebcfb7
SHA1

7a4b66e1bf15336114f58aa796fab159a1a7709c
SHA256

2440e22c72810d285306f7cbd386f476bfb67b60dd2f5d8e5ba44b0279e3b6a2
SHA512

ddbb7a6059b99e22ee9854d25df81a9a2b8e682bbabe38e094d942097aa57fc779d9f17e79bd9b3a19b5382a26ccf92b96a70f5cf9fec4eef88bd3320df0a24b
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R:yDqPe1Cxcxk3ZAEUadzR

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3263) 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
3364	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	2024-09-29_dab5be882a328c6d13589f410aebcfb7_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	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_dab5be882a328c6d13589f410aebcfb7_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"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3820
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3364

C:\Users\Admin\AppData\Local\Temp\2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2772

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
44c95951b354bbce622c4e775ff67fd2

SHA1
dade3058e9b2418938107085bcffd40ea7f1e0c4

SHA256
8cba8daf47502b81e0c4ba80ec497351f6d4548b956ce97c8adacbee954ece7b

SHA512
f62d0aaadd5974d17cfa840500c2e3385423a8e1f0c4c622a4aa33c3e41ae1f53795f2c7d76dc14be6fd8d891c42de5c20530826983646064af55f12dbbcab2a

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