wannacry | 873c4aaf54cc1b14160f2d133430a886a62061f0635f71f0e41173f2622f33c7

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
05-11-2024 09:55

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General

Target

2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe
Size

3.6MB
MD5

561a62de632a4e3866a5d747d0989af9
SHA1

a6bea1a23a2bc8cfe08a8afdcfcb36c3e574b03b
SHA256

873c4aaf54cc1b14160f2d133430a886a62061f0635f71f0e41173f2622f33c7
SHA512

400ec7e624e78820a23f9592dc9e3c310c6e4fe5429efd304a95ede69e7ca63e123df15e8d55be6ff1d65622365f0d9fdd36e5318a9e9d94c65064834762d734
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQOe5c/bX:yDqPoBhz1aRxcSUDkFUc/

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 (3290) 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
1996	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	2024-11-05_561a62de632a4e3866a5d747d0989af9_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	2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2660
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1996

C:\Users\Admin\AppData\Local\Temp\2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-05_561a62de632a4e3866a5d747d0989af9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2192

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
b5736369ca682472d74c29a4dbe16da4

SHA1
bdbdb06e249d8cd82c84abf1c4ac8b3bdb6dd3af

SHA256
c3216553b2d0230fa0eaa86c8128168de91bec9425aebe348181b5788b5c7e1f

SHA512
a95e95bd673e9c1c6ed1c1242400b318bc24e5394ef6e87e1d23840d6e0d5cfc0bac53e3b50d13cf5d878aed68192ea34fc671866b9ab3262b505ffcc090af4c

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