Malware Analysis Report

2024-10-19 02:39

Sample ID 240909-bk1qnaxblc
Target 8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe
SHA256 8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3
Tags
cryptbot credential_access discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3

Threat Level: Known bad

The file 8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe was found to be: Known bad.

Malicious Activity Summary

cryptbot credential_access discovery spyware stealer

CryptBot

Credentials from Password Stores: Credentials from Web Browsers

Reads user/profile data of web browsers

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Checks installed software on the system

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 01:12

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 01:12

Reported

2024-09-09 01:15

Platform

win7-20240903-en

Max time kernel

142s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe"

Signatures

CryptBot

spyware stealer cryptbot

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2168 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2168 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2168 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2168 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2168 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2168 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2168 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2168 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2672 wrote to memory of 2628 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2672 wrote to memory of 2628 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2672 wrote to memory of 2628 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2672 wrote to memory of 2628 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2672 wrote to memory of 1712 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2672 wrote to memory of 1712 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2672 wrote to memory of 1712 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2672 wrote to memory of 1712 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe

"C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe"

C:\Users\Admin\AppData\Local\Temp\service123.exe

"C:\Users\Admin\AppData\Local\Temp\service123.exe"

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 /f

C:\Windows\system32\taskeng.exe

taskeng.exe {7902B381-DDEF-4CA5-A053-25CEFB16B899} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]

C:\Users\Admin\AppData\Local\Temp\service123.exe

C:\Users\Admin\AppData\Local\Temp\/service123.exe

C:\Users\Admin\AppData\Local\Temp\service123.exe

C:\Users\Admin\AppData\Local\Temp\/service123.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 twov2sb.top udp
RU 80.249.144.180:80 twov2sb.top tcp
RU 80.249.144.180:80 twov2sb.top tcp
RU 80.249.144.180:80 twov2sb.top tcp

Files

memory/2168-0-0x0000000000400000-0x0000000001064000-memory.dmp

memory/2168-1-0x0000000000400000-0x0000000001064000-memory.dmp

memory/2168-13-0x0000000000400000-0x0000000001064000-memory.dmp

memory/2244-16-0x0000000001370000-0x0000000001381000-memory.dmp

memory/2244-17-0x0000000074C50000-0x0000000074D8C000-memory.dmp

memory/2628-23-0x0000000001370000-0x0000000001381000-memory.dmp

memory/1712-38-0x0000000001370000-0x0000000001381000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 01:12

Reported

2024-09-09 01:15

Platform

win10v2004-20240802-en

Max time kernel

143s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe"

Signatures

CryptBot

spyware stealer cryptbot

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe N/A

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\service123.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe

"C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe"

C:\Users\Admin\AppData\Local\Temp\service123.exe

"C:\Users\Admin\AppData\Local\Temp\service123.exe"

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 /f

C:\Users\Admin\AppData\Local\Temp\service123.exe

C:\Users\Admin\AppData\Local\Temp\/service123.exe

C:\Users\Admin\AppData\Local\Temp\service123.exe

C:\Users\Admin\AppData\Local\Temp\/service123.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 twov2sb.top udp
RU 80.249.144.180:80 twov2sb.top tcp
US 8.8.8.8:53 180.144.249.80.in-addr.arpa udp
RU 80.249.144.180:80 twov2sb.top tcp
RU 80.249.144.180:80 twov2sb.top tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/4512-0-0x0000000000400000-0x0000000001064000-memory.dmp

memory/4512-1-0x0000000000400000-0x0000000001064000-memory.dmp

memory/4512-13-0x0000000000400000-0x0000000001064000-memory.dmp

memory/4864-15-0x0000000000850000-0x0000000000861000-memory.dmp

memory/4864-16-0x0000000074C80000-0x0000000074DBC000-memory.dmp

memory/4472-21-0x0000000000850000-0x0000000000861000-memory.dmp

memory/4452-36-0x0000000000850000-0x0000000000861000-memory.dmp