wannacry | 9fda812592e944f2d9a49e2502a161063649b20bbe0593153cc9da3b48db67df

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
12-10-2024 03:07

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General

Target

2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
Size

3.6MB
MD5

20bd3e7e869b9887978a5475697a0d0a
SHA1

f155c00ac92618e62144274a4970dbe026cbffe6
SHA256

9fda812592e944f2d9a49e2502a161063649b20bbe0593153cc9da3b48db67df
SHA512

5ca2945c2500d9b97e79e254a49d9fa11da877fb994dc4b199f1f0db4b4a3a30bb56ffe757e0f6bcbd02af659d8463aa960613c086fb0a27e0c6f6de499a9f92
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3242) 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
1972	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	2024-10-12_20bd3e7e869b9887978a5475697a0d0a_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	2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2276
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1972

C:\Users\Admin\AppData\Local\Temp\2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3648

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
190e746ac10f3a30f512f5620be1e691

SHA1
38a130c0d5da99fb7eb40b4f02e168cb7ad0ce63

SHA256
641a73a396dfe11d24b8dd2b8fb3897cc0396c299247de04de3079b9bf64ce95

SHA512
eeb2cd58c22d6d6c50f280bb7106980e114cb6673bfead2854bfcd6e9a9c3f463f7e76d66820246329634090124c2bcf6865d5c210bcd461320474c1947597c4

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