wannacry | b512387b17ebfa17c66d0fa760a86f72b8277b16a00a7c49c3c7bba3ab422011

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
12-12-2024 11:46

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General

Target

2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe
Size

5.0MB
MD5

2a497eaec41948f65e7eb837cf1dd44f
SHA1

5ce8256473feffbcea7e6cdd3c421d17f369f5a6
SHA256

b512387b17ebfa17c66d0fa760a86f72b8277b16a00a7c49c3c7bba3ab422011
SHA512

ff73b0a8bef080b671497028a32edb3a86b6135a4e6f18627ddfd0f31bf76220a0a99824522b34e37df6a2245b595e6db65b68add32f80f36235881b77215006
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEpxWa9PG3R8yAVp2H:yDqPe1Cxcxk3ZAEiadYR8yc4H

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 (3253) 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
1576	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	2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_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	2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_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\AutoDetect = "0"	2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4828
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1576

C:\Users\Admin\AppData\Local\Temp\2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-12_2a497eaec41948f65e7eb837cf1dd44f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2256

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
308ba23b6aec3eae17caf03ef1f6c67a

SHA1
032648a5ac7ae134c0cbc1db606b439e4d9a9214

SHA256
3b667aa6e9fe8abc6e1856ed10960748043ef6cee8744162f9eb0c601a62ec6d

SHA512
2ba53cc6691be662e85d54291442182d622ef247c365f95eca6348c16790a7d80e133ca6a77938b6a08c4db13fa0bc8443856183949ee8f5440ab871371ba2c0

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