wannacry | b5465025f8e6bc1089ddbb68488a6f5600e1d44a27b53329476b0a69cf60f2d4

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 17:10

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General

Target

2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe
Size

3.6MB
MD5

70ef173e0fe423940492edcad5d97c48
SHA1

c0019fe0ff0881a615f3e0344169bc6c8e36c378
SHA256

b5465025f8e6bc1089ddbb68488a6f5600e1d44a27b53329476b0a69cf60f2d4
SHA512

caa04968e27954ee2c7431fc7a96c91c6da0488b618a271ba4758a3954aeb51f7a2ac71fe8eb761ada62312cea2c983d79ca817759e9366c0a0a8dd6d702ab1f
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0SO6LLuYAMEcpcL7nEaut/8uME76X:2nAQqMSPbcBVeAMEcaEau3RS

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3165) 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
640	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	2024-09-27_70ef173e0fe423940492edcad5d97c48_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	2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2708
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:640

C:\Users\Admin\AppData\Local\Temp\2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_70ef173e0fe423940492edcad5d97c48_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3552

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
74b7950b5ba26023b037f1db6b144323

SHA1
3355e6f2d3a37cd74f19417ce748012ec1cf1f48

SHA256
a11eda26f9b73982e9f7d81a5cf312c8ce63bc682c85f4f0e331af889f9c6edc

SHA512
ff0783508f5625e248f552721c393e51a5ab19473e980d93b625a5afffb1634bfa9d619bd6f2c61317d1b78353cb4614118db571e88c493703df446a25c6074f

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