Malware Analysis Report

2024-10-19 02:39

Sample ID 240908-t5z9qswerk
Target 33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184
SHA256 33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184
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

33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184

Threat Level: Known bad

The file 33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184 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

Checks computer location settings

Executes dropped EXE

Checks installed software on the system

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Checks processor information in registry

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-08 16:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-08 16:39

Reported

2024-09-08 16:41

Platform

win10v2004-20240802-en

Max time kernel

142s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.exe

"C:\Users\Admin\AppData\Local\Temp\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 threv3sb.top udp
RU 80.249.144.180:80 threv3sb.top tcp
US 8.8.8.8:53 180.144.249.80.in-addr.arpa udp
RU 80.249.144.180:80 threv3sb.top tcp
RU 80.249.144.180:80 threv3sb.top tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp

Files

memory/1168-0-0x0000000000400000-0x000000000106C000-memory.dmp

memory/1168-1-0x0000000000400000-0x000000000106C000-memory.dmp

memory/1168-13-0x0000000000400000-0x000000000106C000-memory.dmp

memory/232-15-0x0000000000490000-0x00000000004A1000-memory.dmp

memory/232-16-0x0000000075490000-0x00000000755CC000-memory.dmp

memory/3160-19-0x0000000000490000-0x00000000004A1000-memory.dmp

memory/4776-34-0x0000000000490000-0x00000000004A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-08 16:39

Reported

2024-09-08 16:41

Platform

win11-20240802-en

Max time kernel

143s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.exe

"C:\Users\Admin\AppData\Local\Temp\33b1feca63927883a06a667d13255b0db73c87ff11bfa396cff5f691e1983184.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 80.249.144.180:80 threv3sb.top tcp
US 8.8.8.8:53 180.144.249.80.in-addr.arpa udp
RU 80.249.144.180:80 threv3sb.top tcp
RU 80.249.144.180:80 threv3sb.top tcp

Files

memory/3964-0-0x0000000000400000-0x000000000106C000-memory.dmp

memory/3964-1-0x0000000000400000-0x000000000106C000-memory.dmp

memory/3964-13-0x0000000000400000-0x000000000106C000-memory.dmp

memory/4488-15-0x0000000000590000-0x00000000005A1000-memory.dmp

memory/4488-16-0x0000000074A40000-0x0000000074B7C000-memory.dmp

memory/4232-19-0x0000000000590000-0x00000000005A1000-memory.dmp

memory/2412-34-0x0000000000590000-0x00000000005A1000-memory.dmp