Malware Analysis Report

2024-10-23 17:17

Sample ID 240909-fttqxstaqk
Target e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0
SHA256 e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0
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

e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0

Threat Level: Known bad

The file e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0 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

Loads dropped DLL

Reads user/profile data of web browsers

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Scheduled Task/Job: Scheduled Task

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 05:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 05:10

Reported

2024-09-09 05:15

Platform

win7-20240729-en

Max time kernel

293s

Max time network

241s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.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\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.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\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.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 2324 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2324 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2324 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2324 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2324 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe C:\Windows\SysWOW64\schtasks.exe
PID 2324 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe C:\Windows\SysWOW64\schtasks.exe
PID 2324 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe C:\Windows\SysWOW64\schtasks.exe
PID 2324 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe C:\Windows\SysWOW64\schtasks.exe
PID 2920 wrote to memory of 2648 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 2648 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 2648 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 2648 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 2256 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 2256 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 2256 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 2256 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1796 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1796 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1796 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1796 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1572 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1572 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1572 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2920 wrote to memory of 1572 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe

"C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.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 {C588D6EB-E368-46B8-A909-95991EAB5948} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\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

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 sevtv17sb.top udp
RU 194.87.248.136:80 sevtv17sb.top tcp
RU 194.87.248.136:80 sevtv17sb.top tcp

Files

memory/2324-0-0x0000000000400000-0x0000000001066000-memory.dmp

memory/2324-1-0x0000000000400000-0x0000000001066000-memory.dmp

memory/2324-14-0x0000000000400000-0x0000000001066000-memory.dmp

memory/2648-19-0x0000000001160000-0x0000000001171000-memory.dmp

memory/2860-20-0x0000000001160000-0x0000000001171000-memory.dmp

memory/2860-21-0x0000000074F60000-0x000000007509C000-memory.dmp

memory/1304-34-0x0000000001160000-0x0000000001171000-memory.dmp

memory/2256-49-0x0000000001160000-0x0000000001171000-memory.dmp

memory/1796-64-0x0000000001160000-0x0000000001171000-memory.dmp

memory/1572-79-0x0000000001160000-0x0000000001171000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 05:10

Reported

2024-09-09 05:15

Platform

win10-20240611-en

Max time kernel

295s

Max time network

300s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.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\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.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\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.exe

"C:\Users\Admin\AppData\Local\Temp\e372a2d6ea5d76b0ffbccfa5b6574b910826fb5b5998e8e5cc4dcd49f6dffff0.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
BE 2.17.107.144:80 tcp
US 8.8.8.8:53 sevtv17sb.top udp
RU 194.87.248.136:80 sevtv17sb.top tcp
US 8.8.8.8:53 136.248.87.194.in-addr.arpa udp
RU 194.87.248.136:80 sevtv17sb.top tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

memory/5020-0-0x0000000000400000-0x0000000001066000-memory.dmp

memory/5020-1-0x0000000000400000-0x0000000001066000-memory.dmp

memory/5020-12-0x0000000000400000-0x0000000001066000-memory.dmp

memory/4688-14-0x0000000000CE0000-0x0000000000CF1000-memory.dmp

memory/4688-15-0x0000000073C60000-0x0000000073D9C000-memory.dmp

memory/3904-24-0x0000000000CE0000-0x0000000000CF1000-memory.dmp

memory/3240-39-0x0000000000CE0000-0x0000000000CF1000-memory.dmp

memory/1848-52-0x0000000000CE0000-0x0000000000CF1000-memory.dmp

memory/3596-69-0x0000000000CE0000-0x0000000000CF1000-memory.dmp