wannacry | c153491690d455ad942b55fa10252f89c9c52692458a0a6e6f769f091eb0118e

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 09:55

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General

Target

2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Size

5.0MB
MD5

54b5023c7755d4e7ead14ee285a0de56
SHA1

f0a3779779cbff76f202c4ef5a29d510f280bbc3
SHA256

c153491690d455ad942b55fa10252f89c9c52692458a0a6e6f769f091eb0118e
SHA512

f9c9a3224df166d7a02c22160fa5b7a49683a914fbc8df0489a21effe0ddf271b34bddac3f9647da2acf77d524ab651137a3705f3c4c7d4441b647535193d0f0
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhx3R8yAVp2H:yDqPe1Cxcxk3ZAE1R8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3325) 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
4504	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_54b5023c7755d4e7ead14ee285a0de56_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_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4568
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4504

C:\Users\Admin\AppData\Local\Temp\2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1132

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
e23a0c039b52cf07a5f34f406d451227

SHA1
ec5b0ec8d0fd19e9968775f6007fd04ab9ce1174

SHA256
d6371f3f75ec915b35601ab89263ff26fc1e2ff443d88f5fb5d8032513060470

SHA512
a250b0f1da2e6c2dbaef0068690ddc40a26274cc9d8594df832e4415e7f99eeb72300d30564d0a38099679e565601d4d75ba4864865056f7e96bf1961647ff41

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