wannacry | bbc9c9d4ecce7d62f5f865b2ec6b6240b5a430855061c057725baf2cca6b6fcb

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
17-01-2025 13:03

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General

Target

2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe
Size

5.0MB
MD5

bf18a1b340a0af3c8f1bf558b4e363da
SHA1

7452508f1079b2c808899efa3c5aecf4eb445e75
SHA256

bbc9c9d4ecce7d62f5f865b2ec6b6240b5a430855061c057725baf2cca6b6fcb
SHA512

a5874d2cd6b20e9b74ce76f4eb13c7c8399a6687a36cba412138f5b0b01b4e1f441278b69b0b30e2b1e8c662c8a7221b7323fc696bf20c0e0d9d49bc7ee9ecf6
SSDEEP

98304:yDqPoBkaRxcSUDk36SAEdhvxWa9P593R8yAVp2H:yDqPlCxcxk3ZAEUadzR8yc4H

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 (3338) 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
3480	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	2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_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	2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2100
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3480

C:\Users\Admin\AppData\Local\Temp\2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-17_bf18a1b340a0af3c8f1bf558b4e363da_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2900

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
29868284ea8eb1d5db9949a9112cbab9

SHA1
ce695039175fe31cfb10b10fadec1c0523c72279

SHA256
81505522b84444cb5f006fb60330421c51012b7f60d04fd79f837f5297e217a9

SHA512
c7726a5a3993ca69da148c3fd837806eb2226a3074142b8ca07d70eae2425a1effb81b95e63d5e4b2b6ca46ce653c20c475d8c0002873f352edc3a0daf81c7d3

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