wannacry | cf6bcf423f34971b5f9cae937fded0069a47f9b0c71ff7e72631d554536afb8c

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 23:18

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General

Target
bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe
Size 3.6MB
Sample240824-3acdvsxarn
SHA256 cf6bcf423f34971b5f9cae937fded0069a47f9b0c71ff7e72631d554536afb8c
MD5 bfa291fe610b5b7b04b5a26c05d29c9a
SHA1 8ef08a32f7e5d5ce1f2c89918d6d111ddf707401
SHA512 6a945d30f9dec9e3b9733f37da80b190f435ffd249c4be64a80108dea14e08f244b95042d870889f78c238eb51198ba3d00e6cb23b92e98318375e19cc0d67fb
SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAW:yDqPoBhz1aRxcSUDk36SAV
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 (3179) 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
3388	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	bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.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	bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2316
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3388

C:\Users\Admin\AppData\Local\Temp\bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\bfa291fe610b5b7b04b5a26c05d29c9a_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3740

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 d3f097488c575f23fdf587bad875ba5d5daca3d2494425f34f3b5fc82b4ca8f5
MD5 ffebe442d81f85d6169e1c2ecd759c61
SHA1 2276a76789b5bec04ec10b22d463fd55263b4baf
SHA512 7ea60426ae157e67fccf81d85a62c51d50c358d29697a166d367800d804f5cc15e3d6c894afc4c429a982d3e345c5a564c2a9c4143e8d497e7613ee77be29124
SSDEEP 49152:nQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAe:QqPoBhz1aRxcSUDk36SA9
MD5 SHA1 SHA512 SSDEEP

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