wannacry | 2442da274b1ef9ff04268d191022f821e160fbfeba0114d24e1ea2ec631f78ad

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 21:24

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General

Target

20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe
Size

5.0MB
MD5

cde980b30a0348cb7b628aa358fb1944
SHA1

dac63836eddd9825d6db44b5eecb5b9a3c4da78a
SHA256

2442da274b1ef9ff04268d191022f821e160fbfeba0114d24e1ea2ec631f78ad
SHA512

70e72faffc7437819cc4bb4199ce27be0097e85f89849e07de6c273af90b3d7eba2820c12a336b151200ffdb2e961714a9fb2fe4785ec628c0861399d225a6c4
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA4vt:XDqPoBhz1aRxcSUDk36SA9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3259) 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
4876	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	20240929cde980b30a0348cb7b628aa358fb1944wannacry.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	20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe

C:\Users\Admin\AppData\Local\Temp\20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4876

C:\Users\Admin\AppData\Local\Temp\20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe
C:\Users\Admin\AppData\Local\Temp\20240929cde980b30a0348cb7b628aa358fb1944wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1676

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
caccfc7db86937024db0586ac5ea8e12

SHA1
524bf433fbe7bf33ecb5ec8f030f948ea1c75216

SHA256
e4e971dfa16e18c6a06322570374f251c99298687f5f7bc35b3b9415ca4bedb6

SHA512
9592c24f40e2db9bcc9d0f16f8699679b39851d33cb5dc37d556a22ce05d28b9fef99f520045d1b1ae13086c41ec45335986e813a76c0c85947088b600c938b0

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