Malware Analysis Report

2024-11-13 14:25

Sample ID 241106-xswmkawfqp
Target b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1
SHA256 b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1
Tags
blackguard stealer
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

b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1

Threat Level: Known bad

The file b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1 was found to be: Known bad.

Malicious Activity Summary

blackguard stealer

BlackGuard

Blackguard family

Blocklisted process makes network request

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-11-06 19:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 19:07

Reported

2024-11-06 19:10

Platform

win7-20240903-en

Max time kernel

148s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1.dll,#1

Signatures

BlackGuard

stealer blackguard

Blackguard family

blackguard

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2644 wrote to memory of 2868 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe
PID 2644 wrote to memory of 2868 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe
PID 2644 wrote to memory of 2868 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1.dll,#1

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1.dll,entry

Network

Country Destination Domain Proto
US 8.8.8.8:53 socket.quest udp
US 47.83.25.178:80 socket.quest tcp
US 47.83.25.178:80 socket.quest tcp

Files

memory/2868-0-0x0000000002370000-0x00000000023F0000-memory.dmp

memory/2868-1-0x000007FEF6573000-0x000007FEF6574000-memory.dmp

memory/2868-2-0x0000000000410000-0x000000000042E000-memory.dmp

memory/2868-3-0x000007FEF8710000-0x000007FEF872E000-memory.dmp

memory/2868-4-0x0000000001F30000-0x0000000001F38000-memory.dmp

memory/2868-5-0x000000001B920000-0x000000001B9A8000-memory.dmp

memory/2868-6-0x0000000002370000-0x00000000023F0000-memory.dmp

memory/2868-7-0x000007FEF6573000-0x000007FEF6574000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 19:07

Reported

2024-11-06 19:10

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

144s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1.dll,#1

Signatures

BlackGuard

stealer blackguard

Blackguard family

blackguard

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 888 wrote to memory of 4172 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe
PID 888 wrote to memory of 4172 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1.dll,#1

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b66afa684dfdb723047e25ec43141fb0135bbb7c41e66f7d7d2fa9b0f5dc81e1.dll,entry

Network

Country Destination Domain Proto
US 8.8.8.8:53 socket.quest udp
US 47.83.25.178:80 socket.quest tcp
US 47.83.25.178:80 socket.quest tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 178.25.83.47.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4172-1-0x00007FF974D63000-0x00007FF974D65000-memory.dmp

memory/4172-3-0x00007FF98BD20000-0x00007FF98BD3E000-memory.dmp

memory/4172-2-0x0000016820AD0000-0x0000016820AEE000-memory.dmp

memory/4172-0-0x0000016820DC0000-0x0000016820DD0000-memory.dmp

memory/4172-4-0x0000016820C90000-0x0000016820C98000-memory.dmp

memory/4172-5-0x0000016820D20000-0x0000016820DA8000-memory.dmp

memory/4172-6-0x0000016820DC0000-0x0000016820DD0000-memory.dmp

memory/4172-7-0x00007FF974D63000-0x00007FF974D65000-memory.dmp