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Analysis
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max time kernel
141s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
21/09/2024, 22:11
Static task
static1
Behavioral task
behavioral1
Sample
1.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1.exe
Resource
win10v2004-20240910-en
General
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Target
1.exe
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Size
6.4MB
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MD5
8fb3610c4ba81a5a93666562e712740a
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SHA1
fb8b6774e490680c1e04494d101f6ced3b7be816
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SHA256
8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158
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SHA512
6a833782eb81204d420841acc1cd0d5f03bce00d9725d850e5ef83a5c39c084e7bd1285582531a4092565be9fa8409a7cfbcc0b74a5cefd6dfaf9d4e4f5fd5cb
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SSDEEP
98304:AX+ACpyT3Q0Izx583ES5vXJY/IR7puRQ4Y4AOgtly:gBCpyTgvzL8UScWuRLY43Cly
Malware Config
Extracted
cryptbot
tventyvf20pt.top
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url_path
/v1/upload.php
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation 1.exe -
Executes dropped EXE 3 IoCs
pid Process 3912 service123.exe 4828 service123.exe 1688 service123.exe -
Loads dropped DLL 3 IoCs
pid Process 3912 service123.exe 4828 service123.exe 1688 service123.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 1128 schtasks.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2224 wrote to memory of 3912 2224 1.exe 96 PID 2224 wrote to memory of 3912 2224 1.exe 96 PID 2224 wrote to memory of 3912 2224 1.exe 96 PID 2224 wrote to memory of 1128 2224 1.exe 97 PID 2224 wrote to memory of 1128 2224 1.exe 97 PID 2224 wrote to memory of 1128 2224 1.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2224 -
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:3912
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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:1128
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4828
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1688