wannacry | ede9b9e86d7673130d3365d2d7a90ff87ed54cf0a7a8f74d8b241d839776ce7f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2025, 10:09

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General

Target

2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe
Size

3.6MB
MD5

5bc8a0545e7873a731787eb9c3ad4ebc
SHA1

f99739d2902ff589169f7db87d2215e3abca7354
SHA256

ede9b9e86d7673130d3365d2d7a90ff87ed54cf0a7a8f74d8b241d839776ce7f
SHA512

a01af09a12cd8bdd3565473f7b5c7d825e7e72176d406fd8a12194cd21e30b5c83844be33a6e163aa07f65f2648cc1b18f57d5c157a64c150de007fc254b223c
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvigv1g593R8yAVp:XDqPe1Cxcxk3ZAEGgv1gzR8yc

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 (3190) 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
2848	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	2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_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	2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4480
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2848

C:\Users\Admin\AppData\Local\Temp\2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-04-17_5bc8a0545e7873a731787eb9c3ad4ebc_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1780

Network

MITRE ATT&CK Enterprise v16

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
7cac2cbc301bca24ad5335a5e3c3ac0c

SHA1
7719f1afda2e5f898bc271ce78ce6e674113066f

SHA256
0f4a72021e1b9fa7bfa6943d81b99a6fcff9af3108fb2cc45a45f7392f22ac05

SHA512
29175486a092d2052933f6daf1b4da34f1d98d6fbf41629352d430fc03a60a446d3246f040f7aed8f825f0be36430894b034ac5f9110f39fed034955d73773e0

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