wannacry | e929895a27d278203d95a0a095fca59187499c283dcd924a9145ad6e8b678278

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 12:08

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General

Target

2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe
Size

5.0MB
MD5

592d77e643e67781063c7a22396fce1a
SHA1

fff9e02b4333ce3ce3f96025e7c874e6c5d77db0
SHA256

e929895a27d278203d95a0a095fca59187499c283dcd924a9145ad6e8b678278
SHA512

8386b9cf7f0994d47246924fd63253663d32fb84805760cd1fa1021d6b2ff2907c7c8ca456213484588a5dc06936c579028c226c2ca89797921232fffffad2e1
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAT5as73ASCuHnUsze:Z8qPoBhz1aRxcSUDk36SAoszCuH3e

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 (3088) 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
2296	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	2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-03_592d77e643e67781063c7a22396fce1a_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	2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:372
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2296

C:\Users\Admin\AppData\Local\Temp\2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-03_592d77e643e67781063c7a22396fce1a_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1820

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
17ceaf91274c8506fa402b80d0d7d56a

SHA1
c06b599c255519ae8a25b0c61fd42247cac0a39c

SHA256
71cf93d276200d0111db63ef4be537961ee7ac9ef78fa6977fc8a60c4a61c2fa

SHA512
7a38955068bdd1912569861f86330cc7d2bf9dbef709560d61987672e101d870afbc91b93137ba641e253cd5d85db64bab003fede0e8b23397e1db480e7176b5

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