wannacry | cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444

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
19-09-2024 14:11

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General

Target

cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe
Size

5.0MB
MD5

d49b0133ff32c839046eb68e3964b9c4
SHA1

96502407227868966030a2eefd3a67797117f9b6
SHA256

cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444
SHA512

b21e77bd8abebfc91bee911713acbc52ebe00fc16abb6b21162640b9ce0d914262dabd4463d6eb434d4db37681275a2c44f3e595bf5efd4f0ba24213e6bb8b6c
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:yDqPoBhz1aRxcSUDk36SAEdhvxWa9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3255) 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
1608	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	cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.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	cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe

C:\Users\Admin\AppData\Local\Temp\cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe
"C:\Users\Admin\AppData\Local\Temp\cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2960
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1608

C:\Users\Admin\AppData\Local\Temp\cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe
C:\Users\Admin\AppData\Local\Temp\cdee84319ca0545e78daa897c9f4c954419186674514ba95257d3fbf7550c444.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2684

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
69fa253911ff4509b0fac9a6196b6d6c

SHA1
326514f0734ffa20c07bad20582a0f3046f1cf97

SHA256
0a0857386684539ba55b0203b5b95b6be6ccce0d64fc27cad62ddbe694ec0596

SHA512
b83395b9e2c62206f57c5c59b9be3c941a193e519e1879dc8e7f7c8ebd9767df7aff3767fac4500a484f0fa1204c98686434a25f727bcc53eef783868423b92d

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