wannacry | 4b7c28a20eb88331511df437b93a3689b367bba7171bd11faa3426dcd439b0d6

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 19:01

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General

Target

2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe
Size

5.0MB
MD5

9c7f041deba1b147bde345d639a024c1
SHA1

9475c1bb2410bd0e6e550f4eb8fc2f6a2bede087
SHA256

4b7c28a20eb88331511df437b93a3689b367bba7171bd11faa3426dcd439b0d6
SHA512

6a303dd8b34695ea0d32dbd0dea9550bf954e97d41d199d1963ec1f6e32ed15163cef881a124aadcd8afb3f1f05d2f186c0b2d1a64116ac4128cb2fe1ebdbf20
SSDEEP

49152:2nAQqMSPbcBKvxJM0H9PAMEcaEau3R8yAH1plAH:yDqPoBSxWa9P593R8yAVp2H

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 (3304) 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

Processes:

tasksche.exe

pid process

3460 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

Processes:

2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe

pid	process
3460	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-10-30_9c7f041deba1b147bde345d639a024c1_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

Processes:

2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3880
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3460

C:\Users\Admin\AppData\Local\Temp\2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-30_9c7f041deba1b147bde345d639a024c1_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2892

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
9690157181b2643f53fcabfa11633aeb

SHA1
15e4de79dfcece9a78eb97ea1f5ec873a006c554

SHA256
881a723090a0682f70b920c24948698f319c20bf90e27e03a910a4f2048cdb2c

SHA512
7d1f10fcfb906841242e901ff52173d21ee1b8b8c8148d858a7d1f5520fb9f34eb105f1cc29a712cab0f1e98e7e22123d73d1962e97becc730de6b616be51487

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