wannacry | 266a1a0770264992c277ebdcc74de2a3979b16a7f4487276009f67e9961b334e

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
16-01-2025 12:06

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General

Target

2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Size

5.0MB
MD5

e3c6dd09591aa090fd297874a5757f0c
SHA1

bcfcb67e1627052036be0df8454dd7a8601664e6
SHA256

266a1a0770264992c277ebdcc74de2a3979b16a7f4487276009f67e9961b334e
SHA512

8cf062b21fab9b565951973b09fa40b726521ea74ef9d1a4f4aba16c8786555421dff6ada169c48b618ee740051db67d09628e9142fecf8808c5510d9de0f866
SSDEEP

98304:XDqPoBheaRxcSUDk36SAEdhvxWa9P593R8yAVp2H:XDqPpCxcxk3ZAEUadzR8yc4H

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 (3257) 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
1120	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	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_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	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4856
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1120

C:\Users\Admin\AppData\Local\Temp\2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2284

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
b058c1426ba4967961ebb505c1e7ecc6

SHA1
d28b760a3dceed0d9c3d0e2138023d53992cf105

SHA256
b13fcd1c448fa3cb62b507fd26bcb8e8610efd832c1f6a2ee7d43495dd31e4aa

SHA512
c21a12db8d9a33087bb9cc29a0c6bc1e3e9517a292c1b58fc956225df1e3c5679a1618f9aaeca2619de5d19f2e6ba9175f22369a0ea15cce129b36db162f092c

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