Malware Analysis Report

2024-10-23 17:17

Sample ID 240910-bt6chasaqc
Target 7cf0185642f838bbc7302042ab125738.bin
SHA256 8c06e311cc5c322f33b0a86468086bcdaa2754763b98948a4558a157d06f109d
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

8c06e311cc5c322f33b0a86468086bcdaa2754763b98948a4558a157d06f109d

Threat Level: Known bad

The file 7cf0185642f838bbc7302042ab125738.bin was found to be: Known bad.

Malicious Activity Summary

cryptbot credential_access discovery spyware stealer

CryptBot

Credentials from Password Stores: Credentials from Web Browsers

Executes dropped EXE

Checks computer location settings

Reads user/profile data of web browsers

Loads dropped DLL

Checks installed software on the system

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-10 01:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-10 01:27

Reported

2024-09-10 01:29

Platform

win7-20240903-en

Max time kernel

143s

Max time network

121s

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 2492 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2492 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2492 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2492 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2492 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2492 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2492 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2492 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2736 wrote to memory of 2152 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 2152 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 2152 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 2152 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1852 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1852 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1852 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1852 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 {A9C1A1A1-06AB-432F-8031-163D89EE57BE} 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/2492-0-0x0000000000400000-0x0000000001064000-memory.dmp

memory/2492-1-0x0000000000400000-0x0000000001064000-memory.dmp

memory/2492-14-0x0000000000400000-0x0000000001064000-memory.dmp

memory/2744-16-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

memory/2744-17-0x0000000074C70000-0x0000000074DAC000-memory.dmp

memory/2152-21-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

memory/1852-36-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-10 01:27

Reported

2024-09-10 01:29

Platform

win10v2004-20240802-en

Max time kernel

142s

Max time network

100s

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-1-5-21-786284298-625481688-3210388970-1000\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\service123.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 twov2sb.top udp
RU 80.249.144.180:80 twov2sb.top tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4792-0-0x0000000000400000-0x0000000001064000-memory.dmp

memory/4792-1-0x0000000000400000-0x0000000001064000-memory.dmp

memory/4792-13-0x0000000000400000-0x0000000001064000-memory.dmp

memory/964-15-0x0000000000240000-0x0000000000251000-memory.dmp

memory/964-16-0x00000000751C0000-0x00000000752FC000-memory.dmp

memory/4420-19-0x0000000000240000-0x0000000000251000-memory.dmp

memory/3436-34-0x0000000000240000-0x0000000000251000-memory.dmp