Malware Analysis Report

2025-01-03 05:14

Sample ID 221205-srbtjsfb2t
Target Ahsbytgmuhjvbo.exe
SHA256 16ba74e590acbf2a285ae1e15864ef7cdeff576542f0f430ab83481ea52b729a
Tags
modiloader trojan bitrat persistence upx
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

16ba74e590acbf2a285ae1e15864ef7cdeff576542f0f430ab83481ea52b729a

Threat Level: Known bad

The file Ahsbytgmuhjvbo.exe was found to be: Known bad.

Malicious Activity Summary

modiloader trojan bitrat persistence upx

ModiLoader, DBatLoader

BitRAT

ModiLoader Second Stage

UPX packed file

Adds Run key to start application

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-12-05 15:21

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-05 15:21

Reported

2022-12-05 15:24

Platform

win7-20220812-en

Max time kernel

151s

Max time network

166s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 onedrive.live.com udp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp
N/A 13.107.42.13:443 onedrive.live.com tcp

Files

memory/1476-54-0x0000000074C11000-0x0000000074C13000-memory.dmp

memory/1476-55-0x0000000000280000-0x00000000002AB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-05 15:21

Reported

2022-12-05 15:25

Platform

win10v2004-20220812-en

Max time kernel

177s

Max time network

200s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe"

Signatures

BitRAT

trojan bitrat

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

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

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ahsbytgm = "C:\\Users\\Public\\Libraries\\mgtybshA.url" C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe
PID 1444 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe C:\Windows\SysWOW64\wscript.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Ahsbytgmuhjvbo.exe"

C:\Windows\SysWOW64\wscript.exe

C:\Windows\System32\wscript.exe

Network

Country Destination Domain Proto
N/A 178.79.208.1:80 tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
N/A 52.168.117.170:443 tcp
N/A 8.8.8.8:53 onedrive.live.com udp
N/A 13.107.43.13:443 onedrive.live.com tcp
N/A 93.184.221.240:80 tcp
N/A 8.8.8.8:53 260cpa.ch.files.1drv.com udp
N/A 13.107.43.12:443 260cpa.ch.files.1drv.com tcp

Files

memory/1444-133-0x0000000002340000-0x000000000236B000-memory.dmp

memory/1288-135-0x0000000000000000-mapping.dmp

memory/1444-136-0x0000000010410000-0x00000000107F4000-memory.dmp

memory/1444-137-0x0000000010410000-0x00000000107F4000-memory.dmp

memory/1288-139-0x0000000010410000-0x00000000107F4000-memory.dmp

memory/1288-140-0x0000000010410000-0x00000000107F4000-memory.dmp