Malware Analysis Report

2025-01-02 12:04

Sample ID 220904-j1d6lafbf7
Target 37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55
SHA256 37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55
Tags
bazarbackdoor backdoor upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55

Threat Level: Known bad

The file 37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55 was found to be: Known bad.

Malicious Activity Summary

bazarbackdoor backdoor upx

BazarBackdoor

Bazar/Team9 Backdoor payload

UPX packed file

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

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: behavioral2

Detonation Overview

Submitted

2022-09-04 08:07

Reported

2022-09-04 08:10

Platform

win10v2004-20220901-en

Max time kernel

149s

Max time network

67s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.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\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe

"C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe"

Network

Country Destination Domain Proto
US 8.253.208.113:80 tcp
FR 2.18.109.224:443 tcp
US 20.42.73.25:443 tcp
NL 87.248.202.1:80 tcp
NL 87.248.202.1:80 tcp
US 93.184.221.240:80 tcp

Files

memory/852-132-0x0000000000400000-0x0000000000633000-memory.dmp

memory/852-133-0x0000000000400000-0x0000000000633000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-04 08:07

Reported

2022-09-04 08:10

Platform

win7-20220812-en

Max time kernel

147s

Max time network

41s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.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\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe

"C:\Users\Admin\AppData\Local\Temp\37a8caa5245f9b0811423a97cea516d60bd9d0a7cdc9e2448d0da36fedb26d55.exe"

Network

N/A

Files

memory/1928-54-0x0000000000400000-0x0000000000633000-memory.dmp

memory/1928-55-0x00000000762B1000-0x00000000762B3000-memory.dmp

memory/1928-56-0x0000000000400000-0x0000000000633000-memory.dmp