wannacry | 663ea7e71aafa74b4aafe627ab06a20fa5e1d8db3d75d7273c2e2a6528f89e2f

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 20:56

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General

Target

2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe
Size

5.0MB
MD5

f38f76ab090bcc255d1cc7bf8c0bb749
SHA1

0a20f6258696135573c9c214a2035da4d6c1ae6b
SHA256

663ea7e71aafa74b4aafe627ab06a20fa5e1d8db3d75d7273c2e2a6528f89e2f
SHA512

c075fdfd4b1bf0e2cc37eea862e9b0c640e09523ed7ac6dfafb82ce43db4657f3a5cd3fc6c43dbddf2d02b48f4c39b2983fdb727330091ffe169e20cccf84e00
SSDEEP

49152:VnAQqMSPbcBVQej/1IPo6SAARdhEH9saEau3R8yAH1plAH:ZDqPoBhz1J6SAEdhq9I3R8yAVp2H

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 (3284) 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
4908	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	2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_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	2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_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\AutoDetect = "0"	2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1112
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4908

C:\Users\Admin\AppData\Local\Temp\2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-29_f38f76ab090bcc255d1cc7bf8c0bb749_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2652

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
3fe1dc449d7bafcfba20777bbdd6a258

SHA1
92b5dbc4925d20c06e98beb972d81239be44653f

SHA256
d06838b3c3cfb92e41a84333894a24326a3e07df87d19dc1af8ac2adaa47f9cc

SHA512
f3bd6499c7e0d65fc7156d2e56c18f1d9578c9cc475716b11a54e86931bf584bc5fb16ab815b75a484fd328090112318366f46541f888d6e77bd24ad12bb81c1

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