wannacry | 7af6d06c865c2a175b1ed4f5ccc8b482b236095796a2d73e40c53875d6723c81

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 14:42

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General

Target

2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe
Size

3.6MB
MD5

0404db3d545ee16964912acc829de536
SHA1

29fcd48b5ea234ca1179c2327ed0c66579fd6572
SHA256

7af6d06c865c2a175b1ed4f5ccc8b482b236095796a2d73e40c53875d6723c81
SHA512

4b1f55e72a9bcb4cfaeb8fa0d1fbe316c99236d4449d0fd0a3016b5dfaa86097d91144678c8f3bbff58fedc418fc6e84503a8a1ce4444fecfaf1b7e3d60c3346
SSDEEP

12288:GebLgPlu+QhMbaIMu7L5NVErCA45J98kDsqRejlkmnxk6PdJDjm+Oaq:XbLgddQhfdmMSN8kIqRYoAdNLK

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 (3307) 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
4344	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	2024-12-12_0404db3d545ee16964912acc829de536_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	2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4208
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4344

C:\Users\Admin\AppData\Local\Temp\2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-12_0404db3d545ee16964912acc829de536_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5072

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
ea934f2cfa5c68b9984864f43e5ccf70

SHA1
2f411c3320236e3867f0024da18b71497571d1bb

SHA256
097006fd42a09eb1fcebc6106f88ca783698149ad8668d54544055e5289dca32

SHA512
35e154aa299dc4f6e96fc51d5ebbe97affd5a7e481e9530d2040d82df39322abe22d01e846838f885b176363e20a1da7ea4c333ddb63eb38109759fb280ca6e7

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