Malware Analysis Report

2024-11-13 18:01

Sample ID 241110-aebnxatqhy
Target 45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850
SHA256 45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850
Tags
upx blackmoon discovery banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850

Threat Level: Known bad

The file 45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850 was found to be: Known bad.

Malicious Activity Summary

upx blackmoon discovery banker trojan

Blackmoon, KrBanker

Blackmoon family

Detect Blackmoon payload

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:07

Signatures

Blackmoon family

blackmoon

Detect Blackmoon 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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:07

Reported

2024-11-10 00:09

Platform

win7-20241010-en

Max time kernel

121s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850.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 3064 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3064 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3064 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3064 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3064 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3064 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3064 wrote to memory of 1956 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\45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850.dll,#1

Network

N/A

Files

memory/1956-1-0x0000000010000000-0x000000001008B000-memory.dmp

memory/1956-0-0x0000000010000000-0x000000001008B000-memory.dmp

memory/1956-2-0x0000000010000000-0x000000001008B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 00:07

Reported

2024-11-10 00:09

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850.dll,#1

Signatures

Blackmoon family

blackmoon

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon 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

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 3512 wrote to memory of 2112 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3512 wrote to memory of 2112 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3512 wrote to memory of 2112 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\45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\45d01f0e18b574b2657d92b02228b37dcc8f27c37002b52b066910ed63117850.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/2112-0-0x0000000010000000-0x000000001008B000-memory.dmp