wannacry | 23692ce778172a66ef666ae4ad47f7cd0773271360ef7503fb294b446cb6d0a5

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
06-09-2024 11:30

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General

Target

2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe
Size

5.0MB
MD5

cc7ea6ad93542f9a60fc17c1a2ba6053
SHA1

0b08ff633ae892cc398ac04e987d5830e7440a9a
SHA256

23692ce778172a66ef666ae4ad47f7cd0773271360ef7503fb294b446cb6d0a5
SHA512

66a364bc8a632441c9b596d7a42fa613f09127d0d72fbab6bfb24ed5bceb90f5a02fef3f4e7561d09fd8b7590c9e3da71327bc190f88ec824d1a3f68d6e0ac39
SSDEEP

49152:2nAQqMSPbcBVnQo6SAARdhnvxJM0H9PAMEcaEau3R8yAH1plAH:yDqPoBp36SAEdhvxWa9P593R8yAVp2H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3183) 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
996	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	2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_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	2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_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"	2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4484
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:996

C:\Users\Admin\AppData\Local\Temp\2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-06_cc7ea6ad93542f9a60fc17c1a2ba6053_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3420

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
6e37fdb5ec816c0364824d55c2c69deb

SHA1
b96103ed7d24f8f7c1a3fe18df397f86ac7b99f5

SHA256
f90b496070a1c28b590687d692f9cd763f3a6d3f9528dbc63172c4e3d7a91b27

SHA512
727a2589cc9cc4431ea28767a70cbbc3fc3a1258a3b464cef5a3219ae0c93584600a4127715cc52f3b01435595c2cc6e496109bf8c98b68e79cc7f28371f591a

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