Malware Analysis Report

2024-10-23 17:17

Sample ID 240909-fs6dbstamq
Target c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff
SHA256 c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff
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

c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff

Threat Level: Known bad

The file c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff was found to be: Known bad.

Malicious Activity Summary

cryptbot credential_access discovery spyware stealer

CryptBot

Credentials from Password Stores: Credentials from Web Browsers

Reads user/profile data of web browsers

Executes dropped EXE

Loads dropped DLL

Checks installed software on the system

Enumerates physical storage devices

System Location Discovery: System Language Discovery

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 05:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 05:09

Reported

2024-09-09 05:14

Platform

win7-20240903-en

Max time kernel

291s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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 1696 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1696 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1696 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1696 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1696 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe C:\Windows\SysWOW64\schtasks.exe
PID 1696 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe C:\Windows\SysWOW64\schtasks.exe
PID 1696 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe C:\Windows\SysWOW64\schtasks.exe
PID 1696 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe C:\Windows\SysWOW64\schtasks.exe
PID 2676 wrote to memory of 2364 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2364 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2364 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2364 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 1904 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 1904 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 1904 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 1904 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2508 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2508 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2508 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2508 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 1988 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 1988 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 1988 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 1988 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2756 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2756 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2756 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2676 wrote to memory of 2756 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe

"C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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 {CDB86B12-5ABC-475F-B7A0-00017E44ABD0} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\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

Files

memory/1696-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/1696-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/1696-13-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2764-16-0x0000000000360000-0x0000000000371000-memory.dmp

memory/2764-17-0x0000000075210000-0x000000007534C000-memory.dmp

memory/2364-21-0x0000000000360000-0x0000000000371000-memory.dmp

memory/1904-36-0x0000000000360000-0x0000000000371000-memory.dmp

memory/2508-51-0x0000000000360000-0x0000000000371000-memory.dmp

memory/1988-66-0x0000000000360000-0x0000000000371000-memory.dmp

memory/2756-81-0x0000000000360000-0x0000000000371000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 05:09

Reported

2024-09-09 05:14

Platform

win10-20240404-en

Max time kernel

290s

Max time network

298s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe

"C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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

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
US 8.8.8.8:53 136.248.87.194.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp

Files

memory/2084-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2084-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2084-9-0x0000000000400000-0x000000000106F000-memory.dmp

memory/1484-12-0x0000000000080000-0x0000000000091000-memory.dmp

memory/1484-13-0x0000000073DA0000-0x0000000073EDC000-memory.dmp

memory/4428-16-0x0000000000080000-0x0000000000091000-memory.dmp

memory/1300-31-0x0000000000080000-0x0000000000091000-memory.dmp

memory/4840-46-0x0000000000080000-0x0000000000091000-memory.dmp

memory/708-61-0x0000000000080000-0x0000000000091000-memory.dmp

memory/4236-76-0x0000000000080000-0x0000000000091000-memory.dmp