8b9147aeca757bc36f30e98c7481ec302d2be6de1b893a6f2ad80864f1106fb3

Resubmissions

03-08-2024 19:46

240803-yg8nestbqr 10

03-08-2024 19:44

240803-ygbcxsxhld 6

03-08-2024 19:41

240803-yd6pnaxgpa 6

Analysis

max time kernel
1704s
max time network
1160s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 19:44

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General

Target

win-airplay/cairo.dll
Size

1.9MB
MD5

36ca0b374a02ca218857452df0463272
SHA1

71ff37234ea5feb7449a35b86f03d2fd25a09bbf
SHA256

f945c7bee316109182f2c18ef0aed91a8b684cee8c41149c3103e7d3360a7405
SHA512

9f8d7f5d80aa627e362c3480b2593ceaa4d4854db3e8709a7ec151c027265bcf3e9d89cf623273051d796376b3c3671abd2b88e305fc462a4da41079496e0dbf
SSDEEP

24576:5ogEGYqkWmS3b3Ph6X8oGmOTT33H9jV01ozt8L7K0E1tyTDoNDPDc97ylMphlTMV:qgElsxoVOTZiK0WUWhahxM2Nj1zm

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2100 4256 WerFault.exe rundll32.exe
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2100	4256	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2292 wrote to memory of 4256	2292	rundll32.exe	rundll32.exe
PID 2292 wrote to memory of 4256	2292	rundll32.exe	rundll32.exe
PID 2292 wrote to memory of 4256	2292	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\win-airplay\cairo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2292

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\win-airplay\cairo.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 604
3⤵
- Program crash
PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4256 -ip 4256
1⤵
PID:3968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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