wannacry | 63dd1f3fea9f40c5fa316ac32d1cd772e3ea0e85025c80c609530e2d30f50a08

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, 04:49

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General

Target
2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe
Size 3.6MB
Sample241012-ff1bjsydnn
SHA256 63dd1f3fea9f40c5fa316ac32d1cd772e3ea0e85025c80c609530e2d30f50a08
MD5 a7629162d9ba17e903cfe0eb0068fba0
SHA1 338db4ee5e5adb1402cc0d482da7c2616c034c67
SHA512 013ff333dcea2be0b8efba0a1bf1fc5bdaf20e77f5484aa399717bc52397b685ed71b93a4c50dc0a0a2b2dbce8674875c9eaca2b655084f8685ae718a3ec8d86
SSDEEP 24576:2bLgddQhfdmMSirYbcMNgef0NSk+RdhAdmv:2nAQqMSPbcBVNARdhnv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3247) 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
1384	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_a7629162d9ba17e903cfe0eb0068fba0_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_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_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_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3136
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1384

C:\Users\Admin\AppData\Local\Temp\2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_a7629162d9ba17e903cfe0eb0068fba0_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4904

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 4e12469c382e93e17d3f4a8b8c5fc0f0fe9deedf7fa97df3b721c64aa2116ee2
MD5 112960cc72dc6c1e1ee59c7b4a6d1894
SHA1 102025e9afb55f4f825f52d8eb4cec7a864f49a0
SHA512 32889549abbc1729c9b377212e335ada05ab987690d7b757aad1a1028f75a6318919c087914d8059a56be1768452fea0ef0c53bd79f11d9cbd2070c86f368377
SSDEEP 12288:nQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DKNs5SQeuBRdhAvVLJAv:nQhfdmMSirYbcMNgef0NSk+RdhAdmv
MD5 SHA1 SHA512 SSDEEP

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