wannacry | c294dbdcd66630f889017f64877e08a0f1cd6f87376c9a8b393e2dda51421453

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
13-11-2024 14:38

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General

Target

2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe
Size

5.0MB
MD5

a1cf37c1eebced4867dd74d189b4b962
SHA1

9fd0fec9d33455df71952e89cedbbfb081275c6d
SHA256

c294dbdcd66630f889017f64877e08a0f1cd6f87376c9a8b393e2dda51421453
SHA512

c9b9b4a4426b9d81dc511fd3086ad249f5ac9bd429f9f1513d6651b66e186e0eaf6b74d1476c079c9bff909f4f4ad16ded1d25a1652979c9660c17d6deb4cc62
SSDEEP

24576:VbLgdeQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6627X6SASk+RdhAdmv:VnjQqMSPbcBVQej/1INRp6SAARdhnv

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 (3359) 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

Processes:

tasksche.exe

pid	Process
2284	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

Processes:

2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-13_a1cf37c1eebced4867dd74d189b4b962_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

Processes:

2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4020
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2284

C:\Users\Admin\AppData\Local\Temp\2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-13_a1cf37c1eebced4867dd74d189b4b962_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:1928

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
ac347be5269cece5f0587d41fc54cf70

SHA1
2d6e295797b7db945376e434c4678b2c18fdf1c0

SHA256
ad721ffbd18a0e4bafbdf8f40da92e39abb77d20a57b2801268b40e22341d23a

SHA512
1ae1e60e1112da18da4e39daae3041859c3d0354eb9743b6ef9c95323c5486f84adef201a468b0517caf86de1946378ec384734e1c02f88b9d3ccdef7ff3e41b

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