wannacry | 04f91163a4015faef9fdd7ae5d8e61db0e9a50906431a2816fc52634a8c3aef2

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 05:08

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General

Target

2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe
Size

3.6MB
MD5

c2ad06ea7b80d64fa5a175371f7d0927
SHA1

f38960c22bd6b300a6e79e9ae50fd43084cb7ca5
SHA256

04f91163a4015faef9fdd7ae5d8e61db0e9a50906431a2816fc52634a8c3aef2
SHA512

d50c6fb06640a5387d372add96debe0da173287ebcc5a05bcb512ccfa7286aeb00a2f620294bbebf9bb70f056603f20aa489c6d4af499a9f45a948ae7382bb28
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhv2593R8yAVp2HI:yDqPe1Cxcxk3ZAESzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3374) 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
1516	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	2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_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	2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1680
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1516

C:\Users\Admin\AppData\Local\Temp\2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_c2ad06ea7b80d64fa5a175371f7d0927_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:540

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
5cf8caa231a64bfdc5b7aa336b519eca

SHA1
8b8602db114b021f43e5d8bdd1915f88940c8dcf

SHA256
f8826daa37e3c4ff92a0e397a07038f6b0baec3dc02105fa70f8fee2e53b10c7

SHA512
40c22032795263011891f15308488aab8668286ce7b54cc09d06bc81abc76074d8b844a5dddd02d23a8d7cb17a336d8ec007a624527259588462c604799ab465

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