wannacry | 206bf42a022eed22ce4fb054b67574879a75c48d30b58ef07ac75e04b948f33b

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
05-12-2024 11:47

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General

Target

2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe
Size

5.0MB
MD5

27018849fb039031f85d00e048da926a
SHA1

99f54bf9c4402219c15bea8de442462e36a7c45c
SHA256

206bf42a022eed22ce4fb054b67574879a75c48d30b58ef07ac75e04b948f33b
SHA512

c42c21195b4dd06f20bcf47fc13b530a4703479a0ad2d51807deb3f72bb3f3e3c4ee7ce18a3cd559a9fa9cd5e9ed32682d61b42bd8575904b238c79d5f894529
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P59:yDqPe1Cxcxk3ZAEUad

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 (3288) 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
2852	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	2024-12-05_27018849fb039031f85d00e048da926a_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	2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2052
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2852

C:\Users\Admin\AppData\Local\Temp\2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-05_27018849fb039031f85d00e048da926a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5044

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
4f395199d39f6c2bb6fd126c9e7ace1e

SHA1
287d83cf47d392c812e88187b51cf3b8b3d4f2e4

SHA256
e048cd9079ca50187c43ef228e3771f58a29de976b53c3d4399fd10f46cbb528

SHA512
9da13a8f05b6e9cfa3bac1ea08753e34207dab7bf868f876c514dc7c4ba6984ab9ffd361ba7a89a9c03b8e1d623420df4203b9f479cb4fce8a16c83447510023

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