Malware Analysis Report

2024-10-19 02:39

Sample ID 240907-tm7wvsvalg
Target 8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e
SHA256 8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e
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

8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e

Threat Level: Known bad

The file 8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e 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

Loads dropped DLL

Reads user/profile data of web browsers

Checks installed software on the system

Enumerates physical storage devices

Unsigned PE

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

2024-09-07 16:11

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-07 16:11

Reported

2024-09-07 16:14

Platform

win11-20240802-en

Max time kernel

143s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe

"C:\Users\Admin\AppData\Local\Temp\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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 threv3sb.top udp
RU 195.133.48.136:80 threv3sb.top tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/2172-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2172-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2172-13-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2104-15-0x0000000000F80000-0x0000000000F91000-memory.dmp

memory/2104-16-0x0000000075930000-0x0000000075A6C000-memory.dmp

memory/2616-27-0x0000000000F80000-0x0000000000F91000-memory.dmp

memory/2236-42-0x0000000000F80000-0x0000000000F91000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-07 16:11

Reported

2024-09-07 16:14

Platform

win10v2004-20240802-en

Max time kernel

143s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe

"C:\Users\Admin\AppData\Local\Temp\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 threv3sb.top udp
RU 195.133.48.136:80 threv3sb.top tcp
US 8.8.8.8:53 136.48.133.195.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4548-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4548-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4548-13-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4700-15-0x0000000000560000-0x0000000000571000-memory.dmp

memory/4700-16-0x0000000075510000-0x000000007564C000-memory.dmp

memory/3584-27-0x0000000000560000-0x0000000000571000-memory.dmp

memory/4480-42-0x0000000000560000-0x0000000000571000-memory.dmp