wannacry | 4e383b125699fb74b8b4b85c5e47ff4ed9634b6bb7d2bb3c76345d14bf0ce747

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
24-09-2024 21:26

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General

Target

2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe
Size

3.6MB
MD5

16e4a0fb712cfff0f959270ee68414d0
SHA1

aac459cff105d7d605cd606bc955a118c3eb9cee
SHA256

4e383b125699fb74b8b4b85c5e47ff4ed9634b6bb7d2bb3c76345d14bf0ce747
SHA512

907ff24dff74963dda6c92b82102c516080129994cd189eb89c9bfefe26b4b08de30c29ab686d108ce2a6aed89d689616f648ca5c55a3b23198e08cd3f08ed80
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9PbyAVp2HI:yDqPe1Cxcxk3ZAEUadbyc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3153) 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
1804	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	2024092416e4a0fb712cfff0f959270ee68414d0wannacry.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	2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:852
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1804

C:\Users\Admin\AppData\Local\Temp\2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024092416e4a0fb712cfff0f959270ee68414d0wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:368

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
d1d8c7a8033a3d53b8393e3bf120ba6c

SHA1
156e84fcaa8bdc9703744839f46df99c7583957e

SHA256
05441fbde9a0d99029f9c268a1086400bf92a0a6353a72d16303ee100651bc91

SHA512
a080338218d152871f71eb88b78f94240cadb8f7b79bcbde466daa06a1897e9594efb0cbb2359f9d58649e618898f0c2b4760b96160ec7cd17aff9c1433c363c

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