wannacry | 9643097539e14befaecab8227ceeac1e533b0a94b921e0848b5f5cf92f518286

Resubmissions

11-01-2025 15:35

250111-s1k4ksvnar 3

11-01-2025 14:51

250111-r8fndstran 10

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
11-01-2025 14:51

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General

Target

2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Size

5.0MB
MD5

d5a603177556d0d5c8b28e1fe51ffbdc
SHA1

e19fb8f3a199a603f88f0b7fd327c8d678546bfa
SHA256

9643097539e14befaecab8227ceeac1e533b0a94b921e0848b5f5cf92f518286
SHA512

f1008171e22fbe298edcb27bf9a9fe5a5a4656dc2595f1eb0d243790c0a9b74cf64ab31c287bf3762676a027fe3536fae6df868b5cf56fd98996427d1aa98b7e
SSDEEP

49152:8nQQqMSPbcBVQejIkQo6SArf0XdX63DE4JUJn0EF9a4AhAU+LGI7QOZ4HDX:czqPoBhUk36SAQx6Wf9AZHz

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 (3354) 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
4996	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	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_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	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_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"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4980
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4996

C:\Users\Admin\AppData\Local\Temp\2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4904

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
8b60350eab8a35781636a66ebe58b89f

SHA1
8f71a2bfe1aa8d56bf243979e81219aa4f0d9d7e

SHA256
1b9adb13a91b524be9c4cb283c61988c66cfba8418c97c81be5aa077bdc7c026

SHA512
58ea8a4a6aa88d3f72663f3877f0af55e6d5758e6b337c899c8f26208f0c45b637e4a14c7ae5bf9ac42152b728e28d1fe99038ce925536f04dd07b29c7ef07bc

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