wannacry | 20c7cd8ef7ab0b594e3bc68648b5a56102a1512e1a1e1d9114e490c12d89f291

Analysis

max time kernel
150s
max time network
151s
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 11:19

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General

Target

f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe
Size

3.6MB
MD5

f841b8316e702b3a3ccfb1efb137b219
SHA1

2af52327e1d4d3de284f7a0f76b669126506c676
SHA256

20c7cd8ef7ab0b594e3bc68648b5a56102a1512e1a1e1d9114e490c12d89f291
SHA512

ca3a6c8ea5cae088099bbc88316ca24f098f9bce1762d6f41f741ae1cfc7b7e848141e1b49201a2e1eb5a818b3d95124c01f3c7ac6ba9b32a7e02abe9e31c15f
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9+3R8yAVp2HI:yDqPe1Cxcxk3ZAEUayR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3192) 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
1356	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	f841b8316e702b3a3ccfb1efb137b219_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	f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3944
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1356

C:\Users\Admin\AppData\Local\Temp\f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\f841b8316e702b3a3ccfb1efb137b219_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4860

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
3e4f67a02bd444ec9c8c6efed09c34de

SHA1
6cc91c225b392bcd8d4fad8c13c6655891b37e65

SHA256
d81a02c261d2b1fbd5e63ab7868e9e34a008c241546532626b152a2974081850

SHA512
3c57e85a6a31c2b104a45ab022947e727be32253a673c2583c3b2fa94b659e9fedbe45939bb5ba7979bd1d7520ef14727834521b0a0ffaca60d6f269df03046e

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