Malware Analysis Report

2025-01-02 12:04

Sample ID 220904-j27vasfcb6
Target b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd
SHA256 b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd
Tags
upx bazarbackdoor backdoor
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

b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd

Threat Level: Known bad

The file b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd was found to be: Known bad.

Malicious Activity Summary

upx bazarbackdoor backdoor

BazarBackdoor

Bazar/Team9 Backdoor payload

UPX packed file

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-09-04 08:10

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 08:10

Reported

2022-09-04 08:13

Platform

win7-20220901-en

Max time kernel

148s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.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\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe

"C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe"

Network

N/A

Files

memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

memory/1048-55-0x0000000000400000-0x0000000000633000-memory.dmp

memory/1048-56-0x0000000000400000-0x0000000000633000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-04 08:10

Reported

2022-09-04 08:13

Platform

win10v2004-20220901-en

Max time kernel

151s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.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\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe

"C:\Users\Admin\AppData\Local\Temp\b860f97451b1f31b279acc83e7fcf469426fc04b8ed9a5f3b313c07d301c1afd.exe"

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
FR 2.18.109.224:443 tcp
NL 20.224.151.203:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp

Files

memory/4400-132-0x0000000000400000-0x0000000000633000-memory.dmp

memory/4400-133-0x0000000000400000-0x0000000000633000-memory.dmp