Malware Analysis Report

2025-06-16 03:39

Sample ID 240526-htrmnsag5w
Target 8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4
SHA256 8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4
Tags
blackmoon banker bootkit persistence trojan upx
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

8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4

Threat Level: Known bad

The file 8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4 was found to be: Known bad.

Malicious Activity Summary

blackmoon banker bootkit persistence trojan upx

Blackmoon, KrBanker

Detect Blackmoon payload

UPX packed file

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-26 07:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-26 07:02

Reported

2024-05-26 07:04

Platform

win7-20240221-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

Description Indicator Process Target
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UPX packed file

upx
Description Indicator Process Target
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Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe

"C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.immomo.com udp
CN 43.231.168.211:443 www.immomo.com tcp
CN 43.231.168.211:443 www.immomo.com tcp
US 8.8.8.8:53 www.timedate.cn udp
US 8.8.8.8:53 www.beijing-time.org udp
CN 120.24.48.52:80 www.beijing-time.org tcp
CN 120.76.116.61:80 www.beijing-time.org tcp
US 8.8.8.8:53 cgi.im.qq.com udp

Files

memory/1936-4-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/1936-2-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/1936-0-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/1936-5-0x0000000000300000-0x0000000000301000-memory.dmp

memory/1936-7-0x0000000000300000-0x0000000000301000-memory.dmp

memory/1936-36-0x0000000000400000-0x00000000019AF000-memory.dmp

memory/1936-34-0x0000000000360000-0x0000000000361000-memory.dmp

memory/1936-32-0x0000000000360000-0x0000000000361000-memory.dmp

memory/1936-38-0x0000000000856000-0x0000000000EF5000-memory.dmp

memory/1936-30-0x0000000000360000-0x0000000000361000-memory.dmp

memory/1936-29-0x0000000000350000-0x0000000000351000-memory.dmp

memory/1936-27-0x0000000000350000-0x0000000000351000-memory.dmp

memory/1936-24-0x0000000000330000-0x0000000000331000-memory.dmp

memory/1936-22-0x0000000000330000-0x0000000000331000-memory.dmp

memory/1936-19-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1936-17-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1936-14-0x0000000000310000-0x0000000000311000-memory.dmp

memory/1936-12-0x0000000000310000-0x0000000000311000-memory.dmp

memory/1936-9-0x0000000000300000-0x0000000000301000-memory.dmp

memory/1936-39-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-62-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-51-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-63-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-82-0x0000000000400000-0x00000000019AF000-memory.dmp

memory/1936-59-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-57-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-55-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-53-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-49-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-47-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-45-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-43-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-41-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-40-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1936-83-0x0000000000400000-0x00000000019AF000-memory.dmp

memory/1936-84-0x0000000000400000-0x00000000019AF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-26 07:02

Reported

2024-05-26 07:04

Platform

win10v2004-20240508-en

Max time kernel

138s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

Description Indicator Process Target
N/A N/A N/A N/A
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UPX packed file

upx
Description Indicator Process Target
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Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe

"C:\Users\Admin\AppData\Local\Temp\8ed3441cddbd03bd8c34265eea9cfdfe718a37242bb0bcc98d83ef9b386be3e4.exe"

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x34c 0x39c

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.immomo.com udp
CN 43.231.168.211:443 www.immomo.com tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
BE 2.17.107.123:443 www.bing.com tcp
US 8.8.8.8:53 123.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
CN 43.231.168.211:443 www.immomo.com tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 www.timedate.cn udp
US 8.8.8.8:53 www.beijing-time.org udp
CN 120.76.116.61:80 www.beijing-time.org tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
CN 120.24.48.52:80 www.beijing-time.org tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 cgi.im.qq.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/752-2-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

memory/752-1-0x0000000001F90000-0x0000000001F91000-memory.dmp

memory/752-0-0x0000000001B60000-0x0000000001B61000-memory.dmp

memory/752-8-0x0000000000856000-0x0000000000EF5000-memory.dmp

memory/752-6-0x0000000002000000-0x0000000002001000-memory.dmp

memory/752-5-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

memory/752-4-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

memory/752-3-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

memory/752-11-0x0000000000400000-0x00000000019AF000-memory.dmp

memory/752-12-0x0000000000400000-0x00000000019AF000-memory.dmp

memory/752-13-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-39-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-55-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-53-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-51-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-49-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-47-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-45-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-43-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-41-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-37-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-35-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-33-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-31-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-29-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-27-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-25-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-23-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-21-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-19-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-17-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-15-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-14-0x0000000010000000-0x000000001003E000-memory.dmp

memory/752-56-0x0000000000400000-0x00000000019AF000-memory.dmp

memory/752-57-0x0000000000400000-0x00000000019AF000-memory.dmp

memory/752-58-0x0000000000856000-0x0000000000EF5000-memory.dmp