Malware Analysis Report

2025-01-03 05:15

Sample ID 230129-xmef4abe31
Target b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c
SHA256 b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c
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

b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c

Threat Level: Known bad

The file b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c was found to be: Known bad.

Malicious Activity Summary

bitrat persistence trojan

BitRAT

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-29 18:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-29 18:57

Reported

2023-01-29 19:03

Platform

win7-20220812-en

Max time kernel

148s

Max time network

168s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe"

Signatures

BitRAT

trojan bitrat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinAPINHelper = "C:\\Users\\Admin\\AppData\\Local\\{WinAPIN}\\WinAPINHelper.exe" C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe

"C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe"

C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe

"C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe"

Network

Country Destination Domain Proto
N/A 37.46.150.134:8899 tcp

Files

memory/1352-56-0x0000000000C7E000-0x0000000000C83000-memory.dmp

memory/1756-68-0x0000000000689A84-mapping.dmp

memory/1352-69-0x00000000003F0000-0x00000000003F7000-memory.dmp

memory/1756-70-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1756-71-0x0000000075601000-0x0000000075603000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-29 18:57

Reported

2023-01-29 19:04

Platform

win10v2004-20220812-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe"

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe

"C:\Users\Admin\AppData\Local\Temp\b8e41e942aa1da72e79abe17a2b53bd711302372c53d598b5acf7bb507c5db2c.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa udp
N/A 87.248.202.1:80 tcp
N/A 51.132.193.104:443 tcp
N/A 87.248.202.1:80 tcp
N/A 87.248.202.1:80 tcp

Files

memory/4888-136-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-135-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-134-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-137-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-138-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-143-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-144-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-141-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-140-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-139-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-142-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-145-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-146-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-147-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-148-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-149-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-150-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-151-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-152-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-153-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-154-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-155-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-156-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-157-0x0000000000B91000-0x0000000000B95000-memory.dmp

memory/4888-158-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-161-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-165-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-166-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-164-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-163-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-162-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-160-0x0000000000B72000-0x0000000000B77000-memory.dmp

memory/4888-159-0x0000000000B72000-0x0000000000B77000-memory.dmp