wannacry | d339b420ad9f5fd2fd2015d3cca66f58fde793dcb71b66f94f1eff0c16f6f578

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
20-12-2024 10:49

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General

Target

2024-12-20_88146097ec244928a99b08ad31a5f8db_wannacry.exe
Size

5.0MB
MD5

88146097ec244928a99b08ad31a5f8db
SHA1

f7e4198d2d155c8ef4733f24648369a61a2e2cdb
SHA256

d339b420ad9f5fd2fd2015d3cca66f58fde793dcb71b66f94f1eff0c16f6f578
SHA512

72348ff500e116c9f5992dea8fb6e27c4112bd31c634d1e9b5b8c2b4a88c2be6520bfe40b842046ee2099726321f109146c4e23a18e0630c27333ec65851d9a5
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARyhnv:Z8qPoBhz1aRxcSUDk36SAEyhv

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 (3153) 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
1368	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	2024-12-20_88146097ec244928a99b08ad31a5f8db_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	2024-12-20_88146097ec244928a99b08ad31a5f8db_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-20_88146097ec244928a99b08ad31a5f8db_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-20_88146097ec244928a99b08ad31a5f8db_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-20_88146097ec244928a99b08ad31a5f8db_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1808
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1368

C:\Users\Admin\AppData\Local\Temp\2024-12-20_88146097ec244928a99b08ad31a5f8db_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-20_88146097ec244928a99b08ad31a5f8db_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:3864

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
4f34b024b637ba415f2cd8bd5366f863

SHA1
799df00f10f263c1d6944dade4acfc010e68a191

SHA256
6e04d7ffb6da43878b0e047340a04afac4a2b25dbfac4b17f2795985bd825868

SHA512
c1e92892d4feec4d9706d079a2b816e256fbabc213cc7b5bf61605bb6376bd660e3cabd66ee50038bf39e6e6a50cba38b89391ec49aeda1155f40f236fc8ccc9

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