wannacry | 36b93daaab97c730f4e476b1406dc7841c95914b93c381d3364bbd33a8d79746

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 11:52

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General

Target

2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe
Size

5.0MB
MD5

61bdad2b86c54b1244617f68873bfed0
SHA1

bc3ce456bc5613ac314b9910542b5684f55631fa
SHA256

36b93daaab97c730f4e476b1406dc7841c95914b93c381d3364bbd33a8d79746
SHA512

d4e06050a737d874225dca828639db1d1ddddd3ae1e6fcb525374e18f83cb6719daca20c8a242b691510efe088a76c65c9221fbd94a4aa1fa6e53b2f5e17e3f9
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFO:VbLgdeQhfdmMSirYbcMNgef0QeQjG

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 (3192) 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
2084	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-15_61bdad2b86c54b1244617f68873bfed0_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	2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2536
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2084

C:\Users\Admin\AppData\Local\Temp\2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-15_61bdad2b86c54b1244617f68873bfed0_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2896

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
ac2927f49de3ecec3106d5fffe5aa1f6

SHA1
29a1f91792fa472520fabc1b1078054c73699416

SHA256
2646190742f23a3bc2f47b430224f71ca73ba79a4df4f5dc12bdcb8fe66ab92e

SHA512
eaf8176340625ae87306dc8bab8530431c4f1474d2b949449f354af21ee75a7b7818ab66c2b3d0e6ab28318b085d413b6e82ba1e5809d1da6b6a922fed78d271

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