wannacry | 9357f14302ac884843690cb757c22dc29842fc364d10555abbbf2cccdef62406

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 10:04

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General

Target

2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe
Size

5.0MB
MD5

1ad50dfabb7bd22fa667ade85c9a0d20
SHA1

1254e620f00150698ffa2ce13d0e95c8be3a3145
SHA256

9357f14302ac884843690cb757c22dc29842fc364d10555abbbf2cccdef62406
SHA512

1193e57c7351e0e773535304f3f201453b4e50887f8dafaaea25e33415524cca8980289100aa17019c11fbf9efcc76ac95b1a6a7009fab67b445b0d75f504f16
SSDEEP

49152:XnAQqMSPbcAQej/1INRx+TSqTdX1HkQo6SAA:XDqPooz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3305) 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
3212	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	2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_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	2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_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"	2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3448
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3212

C:\Users\Admin\AppData\Local\Temp\2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-26_1ad50dfabb7bd22fa667ade85c9a0d20_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4172

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
ea0ea0ea78f9e26fc581531713c820c3

SHA1
fa2e6d12aac25a5b080718f7544f8e471a159141

SHA256
5c5de278da2d4595049b8af4c2c098d1af6366a09b23c9f4c324bc0605376224

SHA512
adb3af71a8bd17379dbd2841d084ee661cc053c1930f22c01d02b433633c4e0a3f2ad4d3c26a8e570baa47e7c17c58ee6f31dc6c860330caa8a619c0b3f03b6e

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