wannacry | e72c01faebb9f1056eb85a6fc1238cbb65a868eba635fd90644d7750cf07cf95

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
16-10-2024 08:09

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General

Target

2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe
Size

3.6MB
MD5

e8f454376fd61126319f8a17155bee0d
SHA1

c73fd0bbfdb80330fc37a84c33988ebfd3ad6b06
SHA256

e72c01faebb9f1056eb85a6fc1238cbb65a868eba635fd90644d7750cf07cf95
SHA512

daf7e99432f8f080cb7f9f126d28c75f26bcb0419c62b772bfa344864653142cefbbea9ca4fa8a95dc0c9af6b1927ce9eeaf42df94f53ae9fc38147279f2b376
SSDEEP

49152:2nAQqMSPbcBVQej/1INYfFqK5HsJoFGI:yDqPoBhz1aYqK5F

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3325) 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
1552	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	2024-10-16_e8f454376fd61126319f8a17155bee0d_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	2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2908
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1552

C:\Users\Admin\AppData\Local\Temp\2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-16_e8f454376fd61126319f8a17155bee0d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1924

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
0483ad53cb779289e8f1f9ef7b4faccf

SHA1
9c8f7c45cc185f30e228f1767b75972f2688d0bf

SHA256
b032e94abd015417b106b071ad6d61e1954f390e07cc14fe08b98b3fb3f2ca34

SHA512
d5e7e06b8a40965434a434ca8da7470946505358906d389856109ef5cf1f5d06a2a66df0184c4c632556fdf1181d815acb52ba4dc2b539372527c10c59114538

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