wannacry | cd7b697aa3814aba768eb254bd3a1c8b7a4ece29d7c478b0c72364ec8b5f936d

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
02-11-2024 12:34

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General

Target

2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe
Size

3.6MB
MD5

8e4ff1533d7643f950163a2bf0b2efed
SHA1

82d43e88e0fbd87da79d35addf80ef6b4f7a4629
SHA256

cd7b697aa3814aba768eb254bd3a1c8b7a4ece29d7c478b0c72364ec8b5f936d
SHA512

77f5bab8f58f7523480f24c29672e7df20f52bcb0df5797a48f7ba22e05f9179d951aa04db3266e3aa93bd70ae556ddd1059e3321d49a3d7dfdcbf6a4f87d98f
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAWp2HI:XDqPe1Cxcxk3ZAEUadzR8yD4HI

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 (3363) 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

4556 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:

2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe

pid	process
4556	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_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:

2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3712
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4556

C:\Users\Admin\AppData\Local\Temp\2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-02_8e4ff1533d7643f950163a2bf0b2efed_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4384

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
60a66b195772fe38f6122fc9e3e0b2bb

SHA1
56f4ea41c46c266f8a2cb7bb0807e225a1debbdc

SHA256
592932b1d132bb2c0bc7816d227c5cb88d9534410ad7de929e5789cc82c63bab

SHA512
c3e0c2ffef62561606171ba2c5ac3fd8eaea18b7812b7799f9c08be3e61a525ee8d36b6f461ba70e3ddb2dd4b2c189481e15676b8163f624d208b1df353e3fca

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