wannacry | 505e3a369785afafe75e37efea31e86354766fca3761058679d0aad94175eb5d

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 17:46

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General

Target

2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe
Size

5.0MB
MD5

4c26909b1673d91aba4e71bc14880c60
SHA1

6a1d4cc24650ff953542022e600ff6e9f2e91bc4
SHA256

505e3a369785afafe75e37efea31e86354766fca3761058679d0aad94175eb5d
SHA512

ed288b85f88070951dc5605d4e092a0d61344613d319c3d2f52e00279723d38695f15a885591af483b46c6abc48da8c6ab45bf7f45d10a0c99ff12ef238acfbd
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:XDqPe1Cxcxk3ZAEUadzR8yc4H

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 (3311) 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
4196	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	2025-02-01_4c26909b1673d91aba4e71bc14880c60_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	2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_4c26909b1673d91aba4e71bc14880c60_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\IntranetName = "1"	2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4044
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4196

C:\Users\Admin\AppData\Local\Temp\2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-01_4c26909b1673d91aba4e71bc14880c60_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4808

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
8a9b0d413ff272be691b1dfeeebf9778

SHA1
c609247b7ec13c76bc0b880b7ebe73b87e5d8518

SHA256
dcbff8221c309de05346cb0a51e7b0052bdd66f43343255529b03d0b825e5cf9

SHA512
dd357c812837a36854f7779613e7f2d6104a915ea8c4c6e5870faca0dc533f24e01f10eaafaa02792ba7b9d8c8fa747bca55e4d7af724cb58f7fb15ae333907d

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