wannacry | f48810c73f45e5d3ab047694a631389e183d37d774103b297cdf70691a67744d

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2024 05:59

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General

Target

2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe
Size

3.6MB
MD5

523362bbcf741c6e6fc0bb3dcf42200e
SHA1

19f0dcc48580ea4cb70b929faf0ab3fa5ddb42f4
SHA256

f48810c73f45e5d3ab047694a631389e183d37d774103b297cdf70691a67744d
SHA512

20e3173c33a53b1e0c6e7dbbb3546056449a0194db8c18d7b254caf76768a3cc479407d6cae12f5770ee3548476f1f3293133ad3665fcd4a3acd76968814f79b
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdh:XDqPoBhz1aRxcSUDk36SAEdh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3183) 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
3036	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	2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_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	2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_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\IntranetName = "1"	2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3000
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3036

C:\Users\Admin\AppData\Local\Temp\2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-13_523362bbcf741c6e6fc0bb3dcf42200e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2416

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
52f6e1759e03ecec67f695eff0fcef18

SHA1
66fac9d83a148b917ac4c4a767af4a6eda1bf13f

SHA256
7546f77675d953469f9f928ed79de06161290f457a919bde21949578ac2d4e70

SHA512
5aa6be4dc540c5f2071c7c5456ec03f644b7bdcd0de3b603541c787055c40d3d21d6a5413dbb61714bbc40d06be6ebe61e4da835b09b29bbbe6805979e8d4124

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