wannacry | 26404ad53bad8758f71b9d60af623ff16021246185a522b2fd83c6ae3fcae10b

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
12-01-2025 01:03

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General

Target

2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe
Size

3.6MB
MD5

4c42dadacae0c1e3cf17419f98226d39
SHA1

c3b7ff5b92ce3bcdbf1f96d58e106f4f3e3ec173
SHA256

26404ad53bad8758f71b9d60af623ff16021246185a522b2fd83c6ae3fcae10b
SHA512

fe6ca6d4f0d38d7db0c491c46fe8b1d4e7f7db2c951559652ebf1544ff296c1ab875bb957944c1d60955788c082a89fcb88e677122aa9757d2f6086862693976
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DEhAvVLJAmdQ:2bLgddQhfdmMSirYbcMNgef0vhAdmv

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 (3240) 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
540	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	2025-01-12_4c42dadacae0c1e3cf17419f98226d39_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	2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:396
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:540

C:\Users\Admin\AppData\Local\Temp\2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-12_4c42dadacae0c1e3cf17419f98226d39_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2516

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
65c42266c803d4854030a456185da071

SHA1
fb118ef1ced42f723a38d18856f335ea2a4ed463

SHA256
f135368bcaa27b3926df771e61af7cc415cb0124cd18f75288e3788b30dea491

SHA512
8ea4251b64f4cb10f91ef375f5ac0b2f13634ebfb298ccb43f2c10b09d7d6ff2463e7a7c09f85714fdba68052fcc17db09c7e5679552cbff58c5261ce7bea31e

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