Malware Analysis Report

2025-08-05 10:38

Sample ID 241018-ww8wma1epe
Target b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45
SHA256 b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45
Tags
discovery upx blackmoon banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45

Threat Level: Known bad

The file b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45 was found to be: Known bad.

Malicious Activity Summary

discovery upx blackmoon banker trojan

Detect Blackmoon payload

Blackmoon, KrBanker

Blackmoon family

ACProtect 1.3x - 1.4x DLL software

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-18 18:17

Signatures

Blackmoon family

blackmoon

Detect Blackmoon payload

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

ACProtect 1.3x - 1.4x DLL software

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-18 18:17

Reported

2024-10-18 18:20

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

136s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45.dll,#1

Signatures

UPX packed file

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2244 wrote to memory of 4472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2244 wrote to memory of 4472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2244 wrote to memory of 4472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4472-0-0x0000000010000000-0x0000000010089000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-18 18:17

Reported

2024-10-18 18:20

Platform

win7-20240903-en

Max time kernel

122s

Max time network

128s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45.dll,#1

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon 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
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2980 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2980 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2980 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2980 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2980 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2980 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2980 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e65ff3ad73520b97689d75b30157a36903de149be0c0c5ae649c4bfdb4fb45.dll,#1

Network

N/A

Files

memory/1892-1-0x0000000010000000-0x0000000010089000-memory.dmp

memory/1892-0-0x0000000010000000-0x0000000010089000-memory.dmp

memory/1892-2-0x0000000010000000-0x0000000010089000-memory.dmp

memory/1892-3-0x0000000010000000-0x0000000010089000-memory.dmp