Malware Analysis Report

2024-10-23 17:17

Sample ID 240910-aaz6psxalr
Target Set-up.exe
SHA256 008363271c52663213d521af1a6c9cf1b9e2d4be17a629ff6079a69e796236c8
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

008363271c52663213d521af1a6c9cf1b9e2d4be17a629ff6079a69e796236c8

Threat Level: Known bad

The file Set-up.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

Reads user/profile data of web browsers

Loads dropped DLL

Executes dropped EXE

Checks installed software on the system

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-10 00:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-10 00:01

Reported

2024-09-10 00:04

Platform

win7-20240903-en

Max time kernel

149s

Max time network

68s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Set-up.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\Set-up.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\Set-up.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\Set-up.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 1592 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Set-up.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1592 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Set-up.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1592 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Set-up.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1592 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Set-up.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1592 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\Set-up.exe C:\Windows\SysWOW64\schtasks.exe
PID 1592 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\Set-up.exe C:\Windows\SysWOW64\schtasks.exe
PID 1592 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\Set-up.exe C:\Windows\SysWOW64\schtasks.exe
PID 1592 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\Set-up.exe C:\Windows\SysWOW64\schtasks.exe
PID 2756 wrote to memory of 2124 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2756 wrote to memory of 2124 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2756 wrote to memory of 2124 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2756 wrote to memory of 2124 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2756 wrote to memory of 2272 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2756 wrote to memory of 2272 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2756 wrote to memory of 2272 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2756 wrote to memory of 2272 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Set-up.exe

"C:\Users\Admin\AppData\Local\Temp\Set-up.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 {4C8E780B-6494-4C21-819A-D6967B8411BC} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\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 fiftv15pn.top udp
RU 195.133.13.230:80 fiftv15pn.top tcp

Files

memory/1592-0-0x0000000000400000-0x0000000001069000-memory.dmp

memory/1592-1-0x0000000000400000-0x0000000001069000-memory.dmp

memory/1592-2-0x0000000000400000-0x0000000001069000-memory.dmp

memory/1592-17-0x0000000000400000-0x0000000001069000-memory.dmp

memory/2852-19-0x0000000000F00000-0x0000000000F11000-memory.dmp

memory/2852-20-0x0000000074680000-0x00000000747BC000-memory.dmp

memory/2124-26-0x0000000000F00000-0x0000000000F11000-memory.dmp

memory/2272-41-0x0000000000F00000-0x0000000000F11000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-10 00:01

Reported

2024-09-10 00:03

Platform

win10v2004-20240802-en

Max time kernel

143s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Set-up.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\Set-up.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\service123.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\service123.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\service123.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\service123.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\Set-up.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\Set-up.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\Set-up.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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Set-up.exe

"C:\Users\Admin\AppData\Local\Temp\Set-up.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:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 fiftv15pn.top udp
RU 195.133.13.230:80 fiftv15pn.top tcp
US 8.8.8.8:53 230.13.133.195.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4548-0-0x0000000000400000-0x0000000001069000-memory.dmp

memory/4548-1-0x0000000000400000-0x0000000001069000-memory.dmp

memory/4548-13-0x0000000000400000-0x0000000001069000-memory.dmp

memory/4004-15-0x0000000000FE0000-0x0000000000FF1000-memory.dmp

memory/4004-16-0x0000000075600000-0x000000007573C000-memory.dmp

memory/4152-29-0x0000000000FE0000-0x0000000000FF1000-memory.dmp

memory/4684-30-0x000001D357470000-0x000001D357480000-memory.dmp

memory/4684-47-0x000001D357580000-0x000001D357590000-memory.dmp

memory/4684-62-0x000001D35F8E0000-0x000001D35F8E1000-memory.dmp

memory/4684-64-0x000001D35F910000-0x000001D35F911000-memory.dmp

memory/4684-66-0x000001D35FA20000-0x000001D35FA21000-memory.dmp

memory/4684-65-0x000001D35F930000-0x000001D35F931000-memory.dmp