Malware Analysis Report

2024-10-19 02:39

Sample ID 240909-blqxvaxbpe
Target 8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe
SHA256 8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519
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

8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519

Threat Level: Known bad

The file 8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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

Checks computer location settings

Executes dropped EXE

Reads user/profile data of web browsers

Loads dropped DLL

Checks installed software on the system

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Checks processor information in registry

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 01:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 01:14

Reported

2024-09-09 01:16

Platform

win7-20240708-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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 2520 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2520 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2520 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2520 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2520 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Windows\SysWOW64\schtasks.exe
PID 2520 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Windows\SysWOW64\schtasks.exe
PID 2520 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Windows\SysWOW64\schtasks.exe
PID 2520 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Windows\SysWOW64\schtasks.exe
PID 1792 wrote to memory of 2664 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1792 wrote to memory of 2664 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1792 wrote to memory of 2664 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1792 wrote to memory of 2664 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1792 wrote to memory of 2860 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1792 wrote to memory of 2860 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1792 wrote to memory of 2860 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1792 wrote to memory of 2860 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe

"C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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 {F1FA42E9-CE9F-42A4-A764-0B274F02D023} S-1-5-21-1506706701-1246725540-2219210854-1000:MUYDDIIS\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 tventyv20sb.top udp
RU 194.87.248.136:80 tventyv20sb.top tcp

Files

memory/2520-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2520-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2520-13-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2532-15-0x0000000000EA0000-0x0000000000EB1000-memory.dmp

memory/2532-16-0x0000000074C70000-0x0000000074DAC000-memory.dmp

memory/2664-20-0x0000000000EA0000-0x0000000000EB1000-memory.dmp

memory/2860-35-0x0000000000EA0000-0x0000000000EB1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 01:14

Reported

2024-09-09 01:16

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe

"C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 tventyv20sb.top udp
RU 194.87.248.136:80 tventyv20sb.top tcp
US 8.8.8.8:53 136.248.87.194.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 121.170.16.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4616-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4616-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4616-13-0x0000000000400000-0x000000000106F000-memory.dmp

memory/712-15-0x0000000000720000-0x0000000000731000-memory.dmp

memory/712-16-0x00000000756B0000-0x00000000757EC000-memory.dmp

memory/860-19-0x0000000000720000-0x0000000000731000-memory.dmp

memory/2972-34-0x0000000000720000-0x0000000000731000-memory.dmp