Malware Analysis Report

2025-01-03 05:14

Sample ID 221130-qgj13ada77
Target f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836
SHA256 f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836
Tags
bitrat persistence 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

f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836

Threat Level: Known bad

The file f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836 was found to be: Known bad.

Malicious Activity Summary

bitrat persistence trojan

BitRAT

Core1 .NET packer

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-30 13:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-30 13:13

Reported

2022-12-02 10:32

Platform

win7-20221111-en

Max time kernel

263s

Max time network

365s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe"

Signatures

BitRAT

trojan bitrat

Core1 .NET packer

Description Indicator Process Target
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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\System.exe = "C:\\Users\\Admin\\AppData\\Local\\System.exe" C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 516 set thread context of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWow64\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 516 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe

"C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe"

C:\Windows\SysWow64\svchost.exe

"C:\\Windows\\SysWow64\\svchost.exe"

Network

Country Destination Domain Proto
N/A 2.56.212.226:1995 tcp
N/A 2.56.212.226:1995 tcp
N/A 2.56.212.226:1995 tcp
N/A 2.56.212.226:1995 tcp

Files

memory/516-54-0x000000013FB80000-0x000000013FF70000-memory.dmp

memory/516-55-0x000000001D2B0000-0x000000001D68E000-memory.dmp

memory/516-56-0x000000001DFC0000-0x000000001E38D000-memory.dmp

memory/516-57-0x0000000002220000-0x0000000002236000-memory.dmp

memory/516-58-0x0000000002240000-0x0000000002244000-memory.dmp

memory/1564-59-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-60-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-62-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-64-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-66-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-68-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-69-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-71-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-72-0x0000000000689A84-mapping.dmp

memory/1564-74-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-75-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1564-76-0x0000000076391000-0x0000000076393000-memory.dmp

memory/1564-77-0x0000000000400000-0x00000000007CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-30 13:13

Reported

2022-12-02 10:29

Platform

win10v2004-20221111-en

Max time kernel

177s

Max time network

218s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe"

Signatures

BitRAT

trojan bitrat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System.exe = "C:\\Users\\Admin\\AppData\\Local\\System.exe" C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2176 set thread context of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2176 wrote to memory of 1300 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 1300 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 1300 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 3920 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 3920 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 3920 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe
PID 2176 wrote to memory of 440 N/A C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe C:\Windows\SysWow64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe

"C:\Users\Admin\AppData\Local\Temp\f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836.exe"

C:\Windows\SysWow64\svchost.exe

"C:\\Windows\\SysWow64\\svchost.exe"

C:\Windows\SysWow64\svchost.exe

"C:\\Windows\\SysWow64\\svchost.exe"

C:\Windows\SysWow64\svchost.exe

"C:\\Windows\\SysWow64\\svchost.exe"

C:\Windows\SysWow64\svchost.exe

"C:\\Windows\\SysWow64\\svchost.exe"

C:\Windows\SysWow64\svchost.exe

"C:\\Windows\\SysWow64\\svchost.exe"

Network

Country Destination Domain Proto
N/A 93.184.221.240:80 tcp
N/A 20.42.72.131:443 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 20.190.159.2:443 tcp
N/A 104.80.225.205:443 tcp
N/A 20.190.159.75:443 tcp
N/A 40.126.31.73:443 tcp
N/A 20.190.159.64:443 tcp
N/A 20.190.159.0:443 tcp
N/A 2.56.212.226:1995 tcp
N/A 2.56.212.226:1995 tcp
N/A 8.8.8.8:53 97.97.242.52.in-addr.arpa udp

Files

memory/2176-132-0x0000000000370000-0x0000000000760000-memory.dmp

memory/2176-133-0x00007FFEB0480000-0x00007FFEB0F41000-memory.dmp

memory/2176-134-0x00007FFEB0480000-0x00007FFEB0F41000-memory.dmp

memory/440-135-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/440-136-0x0000000000689A84-mapping.dmp

memory/440-137-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/440-138-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2176-139-0x00007FFEB0480000-0x00007FFEB0F41000-memory.dmp

memory/440-140-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/440-141-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/440-142-0x0000000074B00000-0x0000000074B39000-memory.dmp

memory/440-143-0x0000000074F90000-0x0000000074FC9000-memory.dmp

memory/440-144-0x0000000074F90000-0x0000000074FC9000-memory.dmp