Malware Analysis Report

2024-10-23 17:15

Sample ID 240909-fq9mzashpj
Target 8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519

Threat Level: Known bad

The file 8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519 was found to be: Known bad.

Malicious Activity Summary

cryptbot credential_access discovery spyware stealer

CryptBot

Credentials from Password Stores: Credentials from Web Browsers

Loads dropped DLL

Reads user/profile data of web browsers

Executes dropped EXE

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 05:05

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 05:05

Reported

2024-09-09 05:10

Platform

win10-20240404-en

Max time kernel

294s

Max time network

301s

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

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\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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\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

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 20.231.121.79:80 tcp
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 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.167.79.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp

Files

memory/4956-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4956-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4956-10-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2416-12-0x0000000000A60000-0x0000000000A71000-memory.dmp

memory/2416-13-0x0000000073F70000-0x00000000740AC000-memory.dmp

memory/984-20-0x0000000000A60000-0x0000000000A71000-memory.dmp

memory/3524-35-0x0000000000A60000-0x0000000000A71000-memory.dmp

memory/4776-50-0x0000000000A60000-0x0000000000A71000-memory.dmp

memory/60-65-0x0000000000A60000-0x0000000000A71000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 05:05

Reported

2024-09-09 05:10

Platform

win7-20240903-en

Max time kernel

296s

Max time network

121s

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

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\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2404 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2404 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2404 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2404 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2404 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Windows\SysWOW64\schtasks.exe
PID 2404 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Windows\SysWOW64\schtasks.exe
PID 2404 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Windows\SysWOW64\schtasks.exe
PID 2404 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe C:\Windows\SysWOW64\schtasks.exe
PID 2736 wrote to memory of 984 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 984 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 984 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 984 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1644 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1644 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1644 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1644 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1356 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1356 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1356 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1356 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1028 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1028 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1028 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2736 wrote to memory of 1028 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 {34ADF08B-CA39-4C67-A85A-25D3F9466341} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\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

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/2404-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2404-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2404-14-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2720-16-0x00000000001B0000-0x00000000001C1000-memory.dmp

memory/2720-17-0x0000000075290000-0x00000000753CC000-memory.dmp

memory/984-25-0x00000000001B0000-0x00000000001C1000-memory.dmp

memory/1644-40-0x00000000001B0000-0x00000000001C1000-memory.dmp

memory/1356-55-0x00000000001B0000-0x00000000001C1000-memory.dmp

memory/1028-70-0x00000000001B0000-0x00000000001C1000-memory.dmp