wannacry | 3d3dc33370a160bdfac9a78b53b270bccbb867d71553ee5a1372b5ebfe46acc0

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 13:13

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General

Target

2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Size

5.0MB
MD5

e8c9308b82fa62506dd4761fcf0fb124
SHA1

b28266f957537b314af74c48af18964c3ca78cf4
SHA256

3d3dc33370a160bdfac9a78b53b270bccbb867d71553ee5a1372b5ebfe46acc0
SHA512

3fce1943217da4d1f6aef4ba2f9bbd9b61454a8f4a8c0a20c921253de779eca0950b6e236374f93e0afae91a9069a24518a655a4a3b7c1bbcd2c11932de04b99
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqT:XnAQqMSPbcBVQej/1INRx+TSqT

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 (3286) 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	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_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	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1680
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4876

C:\Users\Admin\AppData\Local\Temp\2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2720

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
eeac6c8dc5d6d8838e60df09eb306bdb

SHA1
df1bbca97aabef3b988f06f5a161a14b6105f67b

SHA256
cc8f95af8db92dd6e4d31a632852a8410d0348e6bfa8956434c2648b8abf3855

SHA512
978426c33a189079a58d6e3ce0197e843d701b3f1be4ed01238d837fbdb2a7381ba1117d6c24e06a7be4660cd51c6b1600e0ceb57358df83a387c98991fdf873

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