wannacry | 929dd133d5c4049d1f26438cc266b9d4adb0c9d82cb6ff764f33da4124cba9b7

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
14-12-2024 03:50

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General

Target

2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Size

3.6MB
MD5

9717a56730cde6da2edc69142193ef64
SHA1

7ca81a09bce4c6f961ede44ff7b8cb6ef2ed66f8
SHA256

929dd133d5c4049d1f26438cc266b9d4adb0c9d82cb6ff764f33da4124cba9b7
SHA512

4ba23fff73659cb438d47be1b4a9ad9053f3643b67a20e9c5759a09937f65b44fb80656eb3f26722a6f7807c5cd8849cb2cf6ee044cbabe0f9496b7136de2d2b
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4

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 (3353) 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
2640	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	2024-12-14_9717a56730cde6da2edc69142193ef64_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	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-14_9717a56730cde6da2edc69142193ef64_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\ProxyBypass = "1"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2640

C:\Users\Admin\AppData\Local\Temp\2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2532

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
4ebc2675467659d94fc1d8120eeb8f55

SHA1
5691263aeeea1751108d5117f4492a6dc1a7912f

SHA256
efc8ea91464fcd38ebff5504e9b2af6564f4a6bd495fee23c8d7082eece3542b

SHA512
9287452d851d9e2642d7c65767ae227767ce8af49e5589f32958c5ae51a962b8a78bfb8092378a8e8e867c9e4846b2394fe7ecb7cd57b7be51a393602026cf73

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