wannacry | ca1cc87b49a1afdd8405433daa6427ef3821be8493cc62714b0d1fbfaa274240

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 12:33

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General

Target

2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe
Size

5.0MB
MD5

a0dc5a3807642b1bc83351a5029cc6de
SHA1

a34f51db285c590ee019cc3be2fbe0f85e8d02d6
SHA256

ca1cc87b49a1afdd8405433daa6427ef3821be8493cc62714b0d1fbfaa274240
SHA512

181b2cde4c592c84f8a16ce5792120ee72029c937ff7c006868745eda9d1254eb58a001447a045096cc99404bf99d93f57e5a027be04b0c571061f0cf82f6fea
SSDEEP

98304:XDqPoB9fAdhY/0UErjMCCp2kr/8vPHvzf2wgBlqlAymTpTluaBW:XDqPGfeh+0UErjMCCp2krQPHvzf2wgBY

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 (3038) 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
1580	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	2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_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	2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_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\UNCAsIntranet = "1"	2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2324
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1580

C:\Users\Admin\AppData\Local\Temp\2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-02_a0dc5a3807642b1bc83351a5029cc6de_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2412

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
f01bf18744f43d05e64127a745ca78bc

SHA1
562421727c8d6843d1fa93368379dd02bcb9c903

SHA256
0818d4fe9817d98aece103e6fef37c54213756f988a853a874a8e1683e9b66d8

SHA512
2d30145d10f7361ae786e4b2464c51017ffbd9fa1428e73ce08a784878e696151d270514a3975a28867e69252a5cd619a29906f41bf9267700a84632e3455756

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