Malware Analysis Report

2025-01-02 12:03

Sample ID 220904-j1d6lacfbk
Target f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc
SHA256 f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc
Tags
bazarbackdoor backdoor upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc

Threat Level: Known bad

The file f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc was found to be: Known bad.

Malicious Activity Summary

bazarbackdoor backdoor upx

BazarBackdoor

Bazar/Team9 Backdoor payload

UPX packed file

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-09-04 08:07

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-04 08:07

Reported

2022-09-04 08:10

Platform

win7-20220901-en

Max time kernel

148s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe"

Signatures

BazarBackdoor

backdoor bazarbackdoor

Bazar/Team9 Backdoor payload

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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe

"C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe"

Network

N/A

Files

memory/1292-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

memory/1292-55-0x0000000000400000-0x0000000000633000-memory.dmp

memory/1292-56-0x0000000000400000-0x0000000000633000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-04 08:07

Reported

2022-09-04 08:10

Platform

win10v2004-20220812-en

Max time kernel

151s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe"

Signatures

BazarBackdoor

backdoor bazarbackdoor

Bazar/Team9 Backdoor payload

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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe

"C:\Users\Admin\AppData\Local\Temp\f5e4b83dfc3b56080ea32061c4b65cba0b2b8317fd6b9bea9691fcb10abea1bc.exe"

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
NL 52.178.17.2:443 tcp
NL 104.80.225.205:443 tcp
BE 67.24.27.254:80 tcp
BE 67.24.27.254:80 tcp
BE 67.24.27.254:80 tcp
US 52.109.12.20:443 tcp

Files

memory/1952-132-0x0000000000400000-0x0000000000633000-memory.dmp

memory/1952-133-0x0000000000400000-0x0000000000633000-memory.dmp