wannacry | e0f034bcd89b1ac1018deebcdad5ac28a4f329e478773bb89e1a1fc6d2a5871d

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 03:33

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General

Target

2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe
Size

3.6MB
MD5

461f9afd1c9020f07c2ec68122c6cd08
SHA1

5644f50783e679c9e1bf7de5d78f24eb155809da
SHA256

e0f034bcd89b1ac1018deebcdad5ac28a4f329e478773bb89e1a1fc6d2a5871d
SHA512

01b693991d65096b1ccd7989ae17d6d7eaff611525cb45b0012fe99f1128028571a6a30131222bfd032d79909265249a3ab9d4622055391176fc0ce13f19a23c
SSDEEP

98304:ZDqPob1aRxcSUDk36SAovxWa9P593R8yAVp2HI:ZDqPu1Cxcxk3ZALadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3339) 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
2320	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	2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_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	2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1692
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2320

C:\Users\Admin\AppData\Local\Temp\2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_461f9afd1c9020f07c2ec68122c6cd08_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3492

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
13161ce7f00f79d071c97317e5b87f59

SHA1
1993430495744aaac79f0bda1e365fb76479fd3d

SHA256
21b03af23e793f2696205f055d6735c839183f1d3724e446c88a0a051d8db80b

SHA512
b30a55c0a25f53145c043d989c62b3543e2785eb6bc073481a42b9dd65f4fdae9092ebea0ae1d1e972cab2fd0b4fe27732a70c3474f9ce19ee465b49dfebee1b

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