Malware Analysis Report

2025-01-03 05:11

Sample ID 230129-ybqwesbb34
Target 246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6
SHA256 246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6
Tags
bitrat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6

Threat Level: Known bad

The file 246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6 was found to be: Known bad.

Malicious Activity Summary

bitrat trojan

BitRAT

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-29 19:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-29 19:36

Reported

2023-01-29 19:39

Platform

win7-20220812-en

Max time kernel

149s

Max time network

48s

Command Line

"C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe"

Signatures

BitRAT

trojan bitrat

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1632 set thread context of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1632 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\SysWOW64\schtasks.exe
PID 1632 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\SysWOW64\schtasks.exe
PID 1632 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\SysWOW64\schtasks.exe
PID 1632 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\SysWOW64\schtasks.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1632 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe

"C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gsoFVSJztCV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp19C9.tmp"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

"{path}"

Network

N/A

Files

memory/1632-54-0x0000000076091000-0x0000000076093000-memory.dmp

memory/1632-55-0x00000000744B0000-0x0000000074A5B000-memory.dmp

memory/1632-56-0x00000000744B0000-0x0000000074A5B000-memory.dmp

memory/1732-57-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmp19C9.tmp

MD5 3a449379ff20b817567c410786c56225
SHA1 7c95dba22d10a0377bba2ec20817f4771a2a50ba
SHA256 aefbdaa7036ef73313306caf6b8e33353f664882702cba8316a559b79bcf00d6
SHA512 c73bda4716ad5409aa7e894f9fbbd287dfbaa24d6c7eb9487529ef1d2fed81dfa00afe1dd9926afb7902d90a8265a32a434216402ec1e80de6165fff3f43d189

memory/1008-59-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-60-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-62-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-64-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-66-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-68-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-69-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-71-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-72-0x0000000000689A84-mapping.dmp

memory/1632-74-0x00000000744B0000-0x0000000074A5B000-memory.dmp

memory/1008-75-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1008-77-0x0000000000400000-0x00000000007CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-29 19:36

Reported

2023-01-29 19:39

Platform

win10v2004-20221111-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe

"C:\Users\Admin\AppData\Local\Temp\246963e6022a7ba9276b0ba3645350224eabe9430cfe175110e6ca555dd1f9e6.exe"

Network

Country Destination Domain Proto
N/A 93.184.220.29:80 tcp
N/A 52.152.110.14:443 tcp
N/A 104.80.225.205:443 tcp
N/A 52.152.110.14:443 tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
N/A 52.152.110.14:443 tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
N/A 8.8.8.8:53 106.89.54.20.in-addr.arpa udp
N/A 8.8.8.8:53 0.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

memory/2700-132-0x0000000074D50000-0x0000000075301000-memory.dmp

memory/2700-133-0x0000000074D50000-0x0000000075301000-memory.dmp