Analysis
- max time kernel
140s - max time network
95s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system - submitted
21/09/2024, 21:31
Static task
static1
Behavioral task
behavioral1
Sample
1.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
1.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
1.exe
Resource
win11-20240802-en
General
- Target 1.exe
- Size 6.4MB
- Sample240921-1c4j1svdrd
- SHA256 ffd998746e12ce104bfc905c9e37dd671b866717db084a7c0b4d1d6d8607ae52
- MD5 b3c3b4845dd169c8bb97618de84330fc
- SHA1 dbefee586896d7d55f2d3ac7604cfce81ccd3241
- SHA512 71bce3581509f05c399008c1c6ad9043979e00cc887d2d95d08dd9be1ccda1157010e40125c30bb2eb8534fb0715b4e41d067d9f876701429061934ae727e3e8
- SSDEEP 98304:h7qZFjqYNpHzDx9pSHX07zOaIMVGkR81g30NRaM3:IZ4YbvRSHXi81GbM3
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
cryptbot
-
tventyvf20pt.top
-
analforeverlovyu.top
-
url_path
/v1/upload.php
Signatures
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Executes dropped EXE 3 IoCs
pid Process 4016 service123.exe 3940 service123.exe 1524 service123.exe - Loads dropped DLL 3 IoCs
pid Process 4016 service123.exe 3940 service123.exe 1524 service123.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service123.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 1.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1660 schtasks.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3476 wrote to memory of 4016 3476 1.exe 81 PID 3476 wrote to memory of 4016 3476 1.exe 81 PID 3476 wrote to memory of 4016 3476 1.exe 81 PID 3476 wrote to memory of 1660 3476 1.exe 82 PID 3476 wrote to memory of 1660 3476 1.exe 82 PID 3476 wrote to memory of 1660 3476 1.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3476 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4016
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1660
-
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3940
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1524