wannacry | 6bc2e4caadb4ace85a3501511fd0432f01c135629ad77c6d9fc012243445803e

Resubmissions

21/02/2025, 20:18

250221-y3le1szlcm 10

21/02/2025, 18:07

250221-wqtvhsxldj 10

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2025, 18:07

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General

Target

2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe
Size

3.6MB
MD5

5acc7cb323031dc960fc01097a3b8b77
SHA1

d44f17a384c526cb884f63346195fdb23e63bc23
SHA256

6bc2e4caadb4ace85a3501511fd0432f01c135629ad77c6d9fc012243445803e
SHA512

76ee874dcd4692baeead65b1d71777a0349b1e1a197d9fc329e7952bcfa311323a7b53b29a5f53c5e801d56d68cba5439236826e86154ad07b1ede4c8bd8bc3b
SSDEEP

98304:yDRPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:yDRPe1Cxcxk3ZAEUadzR8yc4HI

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 (3300) 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
1980	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	2025-02-21_5acc7cb323031dc960fc01097a3b8b77_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	2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2376
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1980

C:\Users\Admin\AppData\Local\Temp\2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-21_5acc7cb323031dc960fc01097a3b8b77_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4652

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
3126b4881a1711a51abf2db11726353e

SHA1
bb0ca534da798d3662aa0feef808c444b6de092b

SHA256
6395d873ba41729d9c319da5a4152fcd5b5d72bb627dae3c1aaf9e6333303ae4

SHA512
296d5fd5ac6d8dbe1dae61aa03c83fe0f4248ef517bdc22e0e2dba02163cdc080272284e91f877c67b6246585e130ad4f25042f9fd15495e9be127bf6263d735

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