wannacry | 1e793d291f87af46201a3830e5f8c8447604507f7f8ed1bf035e19b717eee515

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 10:45

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General

Target

2024-12-17_20ea9131f95affa11787eb6e032e8071_wannacry.exe
Size

5.0MB
MD5

20ea9131f95affa11787eb6e032e8071
SHA1

310cc29cbe95cd293b69043cd81b6bebe5e7abd3
SHA256

1e793d291f87af46201a3830e5f8c8447604507f7f8ed1bf035e19b717eee515
SHA512

1e0523eddda3c461ee196ccde2dce8c2dfe5c125404b824f84bf0c8031fe04d6c15871b0dd217b1d2a9f3bbf68070b8a783ffa31631ee4098b8d1609f2702ae9
SSDEEP

98304:y8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8y:y8qPe1Cxcxk3ZAEUadzR8y

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 (3074) 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
2104	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	2024-12-17_20ea9131f95affa11787eb6e032e8071_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	2024-12-17_20ea9131f95affa11787eb6e032e8071_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-17_20ea9131f95affa11787eb6e032e8071_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-17_20ea9131f95affa11787eb6e032e8071_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-17_20ea9131f95affa11787eb6e032e8071_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1520
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2104

C:\Users\Admin\AppData\Local\Temp\2024-12-17_20ea9131f95affa11787eb6e032e8071_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-17_20ea9131f95affa11787eb6e032e8071_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:4204

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
257a0b93dae674e4bb0eb84e21db5847

SHA1
54b5a1ffab5f9dc1233abc803fe94f43d7c0eeaa

SHA256
85646b80337b1182515438442f0859979acdafd01b71cdb6c4f81200d02da0bc

SHA512
b718171a8abf9d7b6e8cbc801599844aff213449ed5e26766ffdc38f02f0ee19efabb65a3f9fc69f21ed20873121374c6da8feaf3476ba36ad1571f040e42c22

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