wannacry | 7a3b959ee85300426112e1154734979abacefb8d173c41e0dd570f0fc54a5946

Analysis

max time kernel
150s
max time network
152s
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 04:26

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General

Target

2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe
Size

3.6MB
MD5

8b35c56e162a96b3eabbdb67b578e212
SHA1

08ad69ff4f20313c2688ae9df81daf13cee1d77e
SHA256

7a3b959ee85300426112e1154734979abacefb8d173c41e0dd570f0fc54a5946
SHA512

cbb1167d74c7457de121992d0ae799c5b00c71fe04e1938a9304a55ef5d87e361470e18c800f07fda6c3084293f1f07408aa517366f9d11282c37f8dcf5e5dc9
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTB0418yAH1plAHI:yDqPoBhz1aRxcSUSU8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3148) 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
2096	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_8b35c56e162a96b3eabbdb67b578e212_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_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_8b35c56e162a96b3eabbdb67b578e212_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_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:636
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2096

C:\Users\Admin\AppData\Local\Temp\2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_8b35c56e162a96b3eabbdb67b578e212_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2152

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
78041e2e9434021dce446d61b778c52c

SHA1
bec7e74068492b0e5030d34d4b903fbee7d83ed7

SHA256
c8618e5b3e1b4888149613149965bde87b734769b3cfb50f3dd4d25b0d7c1e7a

SHA512
4aa5452d9f51958acc3835c1db988f628d3f4119c070cfa86761a608921cab01115b6c543472cb60f39a3e12c58f468d0827fd4ca95f76386b9ba589a9778e57

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