wannacry | c3cb14963f6c191a053a1a54a8dec774eda61809ca96d9ca8209124760f2d528

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
10-12-2024 11:45

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General

Target

2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe
Size

5.0MB
MD5

429b36371ea397ba851495434908bd49
SHA1

69d751f1766bca02cb052040dbab532b8aa0c302
SHA256

c3cb14963f6c191a053a1a54a8dec774eda61809ca96d9ca8209124760f2d528
SHA512

ce9cb1465f6beb5bf0413531b5a1c265f3e8aa9080b3b71ea9da389e684093858445cd4146870893afb0d5a58d5b0f123a818624651538542d14c5acecdcc772
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0HY:XDqPoBhz1aRxcSUDk36SAEdhvxWa

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 (3311) 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
4900	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	2024-12-10_429b36371ea397ba851495434908bd49_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	2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-10_429b36371ea397ba851495434908bd49_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"	2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:220
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4900

C:\Users\Admin\AppData\Local\Temp\2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-10_429b36371ea397ba851495434908bd49_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2176

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
765b2366321df041aaa3d207d1f4c7d2

SHA1
b616613e0b3f34cc3a6c610e3c475e25da631b75

SHA256
20a24bf3a6c1249c6aedae4df12d14aacaff0b6729a4fb4ddddd9df06906a111

SHA512
4437103983203836823423093faccb5718b907ee896f3fd44731a0d6fef74293feb8ecae637dc57dbfc7fa1708cd9512332d2928bfe9abd9b2186f685f0b7477

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