wannacry | cb4958f5741a705dc476cf1b54bd58fb9dc99cdfd665c8f9e24c241a8b383108

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 11:25

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General

Target

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Size

3.6MB
MD5

684e78559ec610feaa321f89117f02e4
SHA1

b468a0056799b715626df3ec05cfe297844eef72
SHA256

cb4958f5741a705dc476cf1b54bd58fb9dc99cdfd665c8f9e24c241a8b383108
SHA512

83012f3c06a7892f60cf3945a14ac6831672ec4fbc1f6e9df24f2bd020e338da64e81cc6a42f1330805cb921e0913d80f9f19eace796cc13559004e9c4159f14
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv+plAHI:XDqPoBhz1aRxcSUDk36SAEdhv+p2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (2980) 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

Processes:

tasksche.exe

pid process

1560 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

Processes:

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

pid	process
1560	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-18_684e78559ec610feaa321f89117f02e4_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

Processes:

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3124
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1560

C:\Users\Admin\AppData\Local\Temp\2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4732

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
ab9ea70273785dc1291ca5fe9e03af6c

SHA1
dab04c9b528b1e278ad14a9a0d8ee2e23a6af148

SHA256
806308c9da6d1285502debbac021fdcb47c1737d94f79648515a5fb651fedaaa

SHA512
1b1811700fb7b9576527bec855816fbaf97aae081db8572568f16c80635c2bfb74afbe0b8c20f63330cd986e8f8905db6c07ad3d6829f1f0f2b714f6c957a259

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