wannacry | e9540a7655316dcbad7651d3f9535fdc319cc36a0d65a87dbfdac21617bf1600

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
30/03/2025, 09:43

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General

Target

2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe
Size

3.6MB
MD5

28e5fbf068d9415f6ae6cf4cf858348a
SHA1

4258b978ec3468f22894ea03723b232522d884ef
SHA256

e9540a7655316dcbad7651d3f9535fdc319cc36a0d65a87dbfdac21617bf1600
SHA512

ee42d5ec59148e717b082750e47423a49ed4960223078ba4d4524d88d552f7b82b1b28a9f4e6505c21ef2b626050d91119988e0c4a27e1dcb5fae81b666857d3
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAyxWa9P593R8yAVp2HI:yDqPe1Cxcxk3ZAladzR8yc4HI

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 (3256) 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
2572	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	2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_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	2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_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"	2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2380
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2572

C:\Users\Admin\AppData\Local\Temp\2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-03-30_28e5fbf068d9415f6ae6cf4cf858348a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4204

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
fb8532a01538fa207e5b34951ee8dc54

SHA1
8d3a425cdde2d91945e9bea4bb341e86966d6750

SHA256
77755df135b055dfa16d1147c30164f2750a5aa28f1718122d3d5ff4f1a8ba2c

SHA512
9e86db7d4a500c4b207bc16a841191aaf9c6bc23f5274470efbc8beae1fb25feb965286c8f75f3995cd1895322f19da951c83726d8514f3b27a341ee436bdfc7

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