Malware Analysis Report

2025-01-03 05:15

Sample ID 221205-ywy3jaca92
Target DHL_1000000.ISO
SHA256 b2405a2b79d7c7a39194b953b18857cae0406e917eb4c3346bb990addef76dc1
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

b2405a2b79d7c7a39194b953b18857cae0406e917eb4c3346bb990addef76dc1

Threat Level: Known bad

The file DHL_1000000.ISO 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 use of NtSetInformationThreadHideFromDebugger

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-12-05 20:08

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-05 20:08

Reported

2022-12-05 20:14

Platform

win7-20221111-en

Max time kernel

215s

Max time network

304s

Command Line

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

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

Files

memory/1516-54-0x0000000076931000-0x0000000076933000-memory.dmp

memory/1516-55-0x0000000000950000-0x000000000097B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-05 20:08

Reported

2022-12-05 20:11

Platform

win10v2004-20220812-en

Max time kernel

151s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.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
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cjyuaebl = "C:\\Users\\Public\\Libraries\\lbeauyjC.url" C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\colorcpl.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe
PID 4104 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe C:\Windows\SysWOW64\colorcpl.exe

Processes

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

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

C:\Windows\SysWOW64\colorcpl.exe

C:\Windows\System32\colorcpl.exe

Network

Country Destination Domain Proto
N/A 8.252.118.126:80 tcp
N/A 13.69.239.74:443 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 8.252.118.126:80 tcp
N/A 8.252.118.126:80 tcp
N/A 8.252.118.126:80 tcp
N/A 93.184.220.29:80 tcp
N/A 8.8.8.8:53 2630fq.ch.files.1drv.com udp
N/A 13.107.43.12:443 2630fq.ch.files.1drv.com tcp
N/A 8.252.118.126:80 tcp
N/A 8.252.118.126:80 tcp
N/A 8.252.118.126:80 tcp
N/A 8.8.8.8:53 winery.nsupdate.info udp
N/A 20.84.45.190:5877 winery.nsupdate.info tcp
N/A 93.184.221.240:80 tcp
N/A 104.80.225.205:443 tcp
N/A 8.8.8.8:53 winery.nsupdate.info udp

Files

memory/4104-132-0x00000000021F0000-0x000000000221B000-memory.dmp

memory/4072-134-0x0000000000000000-mapping.dmp

memory/4104-135-0x0000000010410000-0x00000000107F4000-memory.dmp

memory/4104-136-0x0000000010410000-0x00000000107F4000-memory.dmp

memory/4072-138-0x0000000010410000-0x00000000107F4000-memory.dmp

memory/4072-139-0x0000000010410000-0x00000000107F4000-memory.dmp

memory/4072-140-0x0000000074A50000-0x0000000074A89000-memory.dmp

memory/4072-141-0x0000000010410000-0x00000000107F4000-memory.dmp