wannacry | 9f1c2fb39d7ce553e82136d03ab32a44959b3eae90636809d8a6e1d152a7dfdf

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2024 15:29

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General

Target

2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe
Size

5.0MB
MD5

43cd2920adc427903e5bf41417b00c46
SHA1

9493b0094207ac877e1f6d650d344309a97f4b39
SHA256

9f1c2fb39d7ce553e82136d03ab32a44959b3eae90636809d8a6e1d152a7dfdf
SHA512

e9b554171d58bfca64b8e09ec3ff9f3fb9122432910e3ccc151229dd85fc6c346eb4763351fd4e8abd71fd83d8410e3eef5970236176fb75c10cb40cb151d7dd
SSDEEP

98304:yDqPoBhz1aRxcSUDkEQv9Snm1tnr7DRbxyE1C:yDqPe1CxcxkEQv9Snm1tnr7DRbxyE1C

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 (3210) 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

1912 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:

2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe

pid	process
1912	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-16_43cd2920adc427903e5bf41417b00c46_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:

2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:228
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1912

C:\Users\Admin\AppData\Local\Temp\2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-16_43cd2920adc427903e5bf41417b00c46_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4940

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
870785dd771aca30d471463a39fe9fd6

SHA1
761e63ef82455e69040a6c818c4b862be883b1a2

SHA256
e633a98681e21bfaba8be3a12aa2f98d67304a312e824b01939fc6979c6aae28

SHA512
aa2da48179dfe563007f7bcaaea145779c9538e6ea33d03f6eeb993fb226af5fea11e19c089b9b1448064c2369ad1bcb329a44147815759ae9ead66e4edf29cd

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