wannacry | 822ca4b2f11978902d53a89b3df8d000993226a51411d8bab41ec3017b1e72d7

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
15-12-2024 12:09

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General

Target

2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe
Size

5.0MB
MD5

e6128a0a80486ba0c5e03a85de8dc5ab
SHA1

e975aab830654e7a96d37939155aefc5ebbcbe10
SHA256

822ca4b2f11978902d53a89b3df8d000993226a51411d8bab41ec3017b1e72d7
SHA512

3c83a5ce635c9f5bb541055284839604904ae6d015b03fb2448e8055f1d5478efdd587061ed2da172de3925e6b3cf8e0e45f5fa3966e8bac5a4fb369b71cfb06
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo:XDqPoBhz1aRxcSUDk3

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 (3175) 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
5036	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	2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_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	2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_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"	2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4248
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5036

C:\Users\Admin\AppData\Local\Temp\2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-15_e6128a0a80486ba0c5e03a85de8dc5ab_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3196

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
41a4277c92eb982ce475cb3e4bfaf9d2

SHA1
91b01e85f8c72d735e367f672c3322f944ffa089

SHA256
9e668b0ffc294e3ceaeb8b6afa7c9ffb921540a0ac7530cec1cc575f680d72d0

SHA512
d4f4c88e3f07313bb03978bad44edaa76016687d29d6f3654bb4dd4ff6411d88a2f5399b0b70ea2dc5f8b55e080a5f7903bd3fcabfdb620b91bde02ae63a9b33

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