wannacry | 05f9915140770c16efeee37634a2600a5d7bebc7e2ed3dc7d89abaded0113508

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 10:27

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General

Target

2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe
Size

5.0MB
MD5

c04f3f1b47cd00c335b9f1d248ffdf6b
SHA1

dee3fa16f267b22ebcdc227c46221b0a236cc3f6
SHA256

05f9915140770c16efeee37634a2600a5d7bebc7e2ed3dc7d89abaded0113508
SHA512

60e36aa6b1e37a8b6bef03da4782a20c191e74c8903ff656f76094895b13562adf29829c5019707cef8a07cb6c8c8136b6b9e73999f1f54bb8119ddbdcd6eded
SSDEEP

12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D5KS6F0wK7rf:XbLgddQhfdmMSirYbcMNgef07Fq7r

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3149) 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
440	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	2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_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	2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3232
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:440

C:\Users\Admin\AppData\Local\Temp\2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-08_c04f3f1b47cd00c335b9f1d248ffdf6b_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2744

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
236768f17199bf9eae735734dae8c122

SHA1
f5f45f035dab57c60025920bf37033c555bdf8f8

SHA256
d27e9d6c88c89e82b37ef755429647acdd6f3d8556cd0d5007abf5cd1e7675fc

SHA512
010a4560572133b62917f5c37df3ce03e0320f0ade7604e6944eb65abd9ec5726d82400f90b0f14cc75ffd18bf880f0c1fb92d3e0dee912ac061b81a22778cb1

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