wannacry | 0c5a73ec4ff9ed5fa0300b75690acf44536c324ad43f80cb383a9ec6d1929df2

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 18:24

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General

Target

2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe
Size

3.6MB
MD5

e8813239d34ba23cd225cc86d7a685be
SHA1

cd40920c1d5117e0bab771432952a450c04ef07e
SHA256

0c5a73ec4ff9ed5fa0300b75690acf44536c324ad43f80cb383a9ec6d1929df2
SHA512

3d275b8ad3d91b308550cd660e20b449128c68ad252baaf549c97173e1f1a8d403dc145877d2f09d7c858093610ca6c1649054518b1ace9aeef917215a29e056
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIq+C+9XEkI:2nAQqMSPbcBVQej/0I

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3236) 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
4036	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	2024-09-15_e8813239d34ba23cd225cc86d7a685be_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	2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4488
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4036

C:\Users\Admin\AppData\Local\Temp\2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-15_e8813239d34ba23cd225cc86d7a685be_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3644

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
02da6cbf33799be44363b4fc8cf3f95c

SHA1
a28be1a702471915d8f8870a04329d4737f84cb8

SHA256
085e106869e9d447e8145bcb89924a6b78fcd3194277caae34a33a97e77785d0

SHA512
4a93348cceb45bdece61f8c9fadffc862bd0f159eb0d38a7485e9c77f3d65fede22b1b8c3b34f2ad1cf5609e4830c49f8a7ddc33d92b906ee7d3dccf52be9a3f

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