Malware Analysis Report

2025-08-05 11:26

Sample ID 241112-rk8z2avann
Target 610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a
SHA256 610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a
Tags
discovery persistence
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

610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a

Threat Level: Known bad

The file 610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a was found to be: Known bad.

Malicious Activity Summary

discovery persistence

Modifies WinLogon for persistence

Executes dropped EXE

Loads dropped DLL

Modifies WinLogon

Drops file in Windows directory

System Location Discovery: System Language Discovery

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 14:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 14:16

Reported

2024-11-12 14:18

Platform

win7-20240903-en

Max time kernel

150s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe," C:\Windows\apppatch\svchost.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\apppatch\svchost.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\fc65802d = "C:\\Windows\\apppatch\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\fc65802d = "C:\\Windows\\apppatch\\svchost.exe" C:\Windows\apppatch\svchost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\apppatch\svchost.exe C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A
File opened for modification C:\Windows\apppatch\svchost.exe C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\apppatch\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\apppatch\svchost.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe

"C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe"

C:\Windows\apppatch\svchost.exe

"C:\Windows\apppatch\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 bloodguiltiness.com udp
US 15.197.130.221:80 bloodguiltiness.com tcp
GB 2.22.249.4:80 www.bing.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
GB 2.22.249.4:80 www.bing.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
GB 2.22.249.4:80 www.bing.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
GB 2.22.249.4:80 www.bing.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp

Files

memory/1708-0-0x0000000000350000-0x00000000003B7000-memory.dmp

memory/1708-1-0x0000000000400000-0x000000000046A000-memory.dmp

\Windows\AppPatch\svchost.exe

MD5 89131c4cc338b1e1f35edd19f6b48a52
SHA1 180a35058f8f06c577ba98aab04d1fa375c9c480
SHA256 7eeaff54a89fbd1219fe31f0dff843fbcd13cbe03c125c949629e55eb861b3b5
SHA512 a83dd6be8cde6e5bec05c59d07835b4960e21881e4a7bdc63b15f9bd402d70675b8f900ab85625fedb580f33152e739adacb222e89ee5279958ad5c6a1606ab2

memory/1708-17-0x0000000000400000-0x000000000046A000-memory.dmp

memory/2348-18-0x0000000000400000-0x000000000046A000-memory.dmp

memory/1708-16-0x0000000000350000-0x00000000003B7000-memory.dmp

memory/2348-19-0x0000000000400000-0x000000000046A000-memory.dmp

memory/2348-20-0x0000000001EF0000-0x0000000001F80000-memory.dmp

memory/2348-30-0x0000000001EF0000-0x0000000001F80000-memory.dmp

memory/2348-31-0x0000000000400000-0x000000000046A000-memory.dmp

memory/2348-28-0x0000000001EF0000-0x0000000001F80000-memory.dmp

memory/2348-26-0x0000000001EF0000-0x0000000001F80000-memory.dmp

memory/2348-24-0x0000000001EF0000-0x0000000001F80000-memory.dmp

memory/2348-22-0x0000000001EF0000-0x0000000001F80000-memory.dmp

memory/2348-32-0x0000000002500000-0x000000000259F000-memory.dmp

memory/2348-36-0x0000000002500000-0x000000000259F000-memory.dmp

memory/2348-35-0x0000000002500000-0x000000000259F000-memory.dmp

memory/2348-34-0x0000000002500000-0x000000000259F000-memory.dmp

memory/2348-52-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

memory/2348-78-0x0000000002500000-0x000000000259F000-memory.dmp

memory/2348-77-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

memory/2348-75-0x0000000002F80000-0x0000000002F81000-memory.dmp

memory/2348-74-0x0000000002F90000-0x0000000002F91000-memory.dmp

memory/2348-70-0x0000000002F70000-0x0000000002F71000-memory.dmp

memory/2348-68-0x0000000002750000-0x0000000002751000-memory.dmp

memory/2348-67-0x0000000002760000-0x0000000002761000-memory.dmp

memory/2348-64-0x0000000002750000-0x0000000002751000-memory.dmp

memory/2348-63-0x00000000026C0000-0x00000000026C1000-memory.dmp

memory/2348-61-0x00000000026A0000-0x00000000026A1000-memory.dmp

memory/2348-60-0x00000000026B0000-0x00000000026B1000-memory.dmp

memory/2348-57-0x00000000026A0000-0x00000000026A1000-memory.dmp

memory/2348-56-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

memory/2348-54-0x0000000001F80000-0x0000000001F81000-memory.dmp

memory/2348-53-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

memory/2348-49-0x0000000002500000-0x000000000259F000-memory.dmp

memory/2348-50-0x0000000001F80000-0x0000000001F81000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 14:16

Reported

2024-11-12 14:18

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe," C:\Windows\apppatch\svchost.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\apppatch\svchost.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\1e900290 = "C:\\Windows\\apppatch\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\1e900290 = "C:\\Windows\\apppatch\\svchost.exe" C:\Windows\apppatch\svchost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\apppatch\svchost.exe C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A
File opened for modification C:\Windows\apppatch\svchost.exe C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\apppatch\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\apppatch\svchost.exe N/A
N/A N/A C:\Windows\apppatch\svchost.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe

"C:\Users\Admin\AppData\Local\Temp\610df50d54bb77ecae53a64b202a3e01e9b9146d9eb4e4b33bccfeae94f1901a.exe"

C:\Windows\apppatch\svchost.exe

"C:\Windows\apppatch\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 bloodguiltiness.com udp
US 15.197.130.221:80 bloodguiltiness.com tcp
GB 2.22.249.9:80 www.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 15.197.130.221:80 bloodguiltiness.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
US 8.8.8.8:53 9.249.22.2.in-addr.arpa udp
US 8.8.8.8:53 221.130.197.15.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
GB 2.22.249.9:80 www.bing.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
US 8.8.8.8:53 101.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
GB 2.22.249.9:80 www.bing.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
GB 2.22.249.9:80 www.bing.com tcp
US 15.197.130.221:80 bloodguiltiness.com tcp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

memory/1232-0-0x00000000025A0000-0x0000000002607000-memory.dmp

memory/1232-1-0x0000000000400000-0x000000000046A000-memory.dmp

C:\Windows\apppatch\svchost.exe

MD5 5a322f8993796f624abe5d9ed4e544d4
SHA1 ce4be02eec2f336f21bc307ce09d472637ec621a
SHA256 43f6ca8a80d428a6b5b7439b78f6de567a8e0dd882820ee04f60e885f6751ac4
SHA512 e1b714f8a32e9dfbc8a0208814fff1db9b82d291c38ae336be319d015fcbbad7743ae9e16f20630cde5b8d9280c59d52d43f031ff502d26e0815e5c2e5f93207

memory/1232-14-0x0000000000400000-0x000000000046A000-memory.dmp

memory/1232-13-0x00000000025A0000-0x0000000002607000-memory.dmp

memory/4396-12-0x0000000000400000-0x000000000046A000-memory.dmp

memory/4396-15-0x0000000002A00000-0x0000000002A90000-memory.dmp

memory/4396-16-0x0000000000400000-0x000000000046A000-memory.dmp

memory/4396-17-0x0000000002BD0000-0x0000000002C6F000-memory.dmp

memory/4396-21-0x0000000002BD0000-0x0000000002C6F000-memory.dmp

memory/4396-19-0x0000000002BD0000-0x0000000002C6F000-memory.dmp

memory/4396-28-0x0000000002BD0000-0x0000000002C6F000-memory.dmp

memory/4396-57-0x0000000002BD0000-0x0000000002C6F000-memory.dmp

memory/4396-56-0x0000000003CA0000-0x0000000003CA1000-memory.dmp

memory/4396-54-0x0000000003C80000-0x0000000003C81000-memory.dmp

memory/4396-53-0x0000000003C90000-0x0000000003C91000-memory.dmp

memory/4396-49-0x0000000003C70000-0x0000000003C71000-memory.dmp

memory/4396-47-0x0000000003C50000-0x0000000003C51000-memory.dmp

memory/4396-46-0x0000000003C60000-0x0000000003C61000-memory.dmp

memory/4396-43-0x0000000003C50000-0x0000000003C51000-memory.dmp

memory/4396-42-0x0000000003C40000-0x0000000003C41000-memory.dmp

memory/4396-40-0x0000000003C20000-0x0000000003C21000-memory.dmp

memory/4396-39-0x0000000003C30000-0x0000000003C31000-memory.dmp

memory/4396-36-0x0000000003C20000-0x0000000003C21000-memory.dmp

memory/4396-35-0x0000000003C10000-0x0000000003C11000-memory.dmp

memory/4396-33-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

memory/4396-32-0x0000000003C00000-0x0000000003C01000-memory.dmp

memory/4396-31-0x0000000003C00000-0x0000000003C01000-memory.dmp

memory/4396-29-0x0000000003BF0000-0x0000000003BF1000-memory.dmp