wannacry | 8cdd42dddad7b21644c82f65544f72626509c3ca644a5a85de5ee3ac953a9c04

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 10:15

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General

Target

2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe
Size

5.0MB
MD5

dcd56ac87d6511c83c1eeb4cf221eb74
SHA1

bfd964502b2fb9e80ed169f1ccabad9e9ea32def
SHA256

8cdd42dddad7b21644c82f65544f72626509c3ca644a5a85de5ee3ac953a9c04
SHA512

4864e827c6b9e020576a0057657fecd2278177c6949a5c84d89e14f89590973234682309160fa4310c8423c9d02a9699c606a7445b2214f1ceca8619b27a5ccd
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKyAj4qrowS:2nAQqMSPbcBVQej/1INk4qroX

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3287) 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
3788	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	2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_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	2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_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"	2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4968
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3788

C:\Users\Admin\AppData\Local\Temp\2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_dcd56ac87d6511c83c1eeb4cf221eb74_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:632

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
e037c70b7dc694a386319498997bb44f

SHA1
6e85af2f387219426f60ca23d0bc272be6f2894a

SHA256
7be49d48b9704770a3904d260dbe67be3f01b6482802ce3ddec64b1113b42a51

SHA512
5a46b364772d8234711c3b36295e387a9d5646b41cdecde53d9fa3068a7ada4cefa1886569c5b7a287d98a7b7917f6d0bb6f3dd5a046e5a1c55f626d9b4b780c

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