Malware Analysis Report

2025-01-03 05:02

Sample ID 231231-esvq6aahh3
Target 27ac1707d1e02b6bc93f15d3a75a517a
SHA256 7e3cb1628dc1f632d96f0fd8afa97083780a11f70bb40736ca26e52adb0fb5bc
Tags
bitrat persistence trojan
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

7e3cb1628dc1f632d96f0fd8afa97083780a11f70bb40736ca26e52adb0fb5bc

Threat Level: Known bad

The file 27ac1707d1e02b6bc93f15d3a75a517a was found to be: Known bad.

Malicious Activity Summary

bitrat persistence trojan

BitRAT

Adds Run key to start application

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-31 04:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 04:12

Reported

2024-01-05 12:06

Platform

win7-20231215-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe"

Signatures

BitRAT

trojan bitrat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\appdata = "C:\\Users\\Admin\\AppData\\Local\\WindowsSys\\appdata.exe" C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1264 set thread context of 2944 N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe

"C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe"

C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe

"C:\Users\Admin\AppData\Local\Temp\27ac1707d1e02b6bc93f15d3a75a517a.exe"

Network

Country Destination Domain Proto
US 23.105.131.237:1734 tcp
US 23.105.131.237:1734 tcp
US 23.105.131.237:1734 tcp
US 23.105.131.237:1734 tcp
US 23.105.131.237:1734 tcp

Files

memory/1264-7-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-2-0x0000000000250000-0x0000000000251000-memory.dmp

memory/1264-24-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-29-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-27-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-31-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-34-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-36-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-37-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-38-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-39-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-40-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-41-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-35-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-33-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1264-32-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-30-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1264-23-0x0000000072940000-0x0000000072A93000-memory.dmp

memory/1264-52-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1264-55-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-59-0x0000000000290000-0x0000000000298000-memory.dmp

memory/2944-61-0x0000000000030000-0x0000000000031000-memory.dmp

memory/2944-60-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/1264-58-0x0000000072940000-0x0000000072A93000-memory.dmp

memory/1264-57-0x0000000000840000-0x0000000000940000-memory.dmp

memory/2944-53-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/1264-54-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-51-0x0000000000840000-0x0000000000940000-memory.dmp

memory/1264-49-0x0000000000840000-0x0000000000940000-memory.dmp

memory/2944-48-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-62-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-64-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-65-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-67-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-68-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-69-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-66-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-63-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-70-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/2944-71-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-73-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-74-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-75-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/2944-79-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-80-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-81-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/2944-85-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-84-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-86-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/2944-90-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-91-0x0000000000400000-0x00000000007D3000-memory.dmp

memory/2944-92-0x0000000000400000-0x00000000007CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 04:12

Reported

2024-01-05 12:06

Platform

win10v2004-20231222-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A