Malware Analysis Report

2025-01-02 07:22

Sample ID 240916-w9d86stbme
Target artifact.bin
SHA256 7b14a5c267d51a533b1d77b557b03c3437e7e59f699deafbb6c196cbdf38d931
Tags
floxif backdoor discovery evasion 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

7b14a5c267d51a533b1d77b557b03c3437e7e59f699deafbb6c196cbdf38d931

Threat Level: Known bad

The file artifact.bin was found to be: Known bad.

Malicious Activity Summary

floxif backdoor discovery evasion trojan upx

Floxif, Floodfix

Modifies visiblity of hidden/system files in Explorer

Modifies visibility of file extensions in Explorer

Detects Floxif payload

Loads dropped DLL

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Enumerates connected drives

Network Service Discovery

Drops file in Program Files directory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: LoadsDriver

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-16 18:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-16 18:36

Reported

2024-09-16 18:39

Platform

win7-20240903-en

Max time kernel

144s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\artifact.exe"

Signatures

Floxif, Floodfix

backdoor trojan floxif

Modifies visibility of file extensions in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Modifies visiblity of hidden/system files in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Detects Floxif payload

backdoor
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

Loads dropped DLL

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1" C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4a0031000000000000000000100054656d700000360008000400efbe00000000000000002a00000000000000000000000000000000000000000000000000540065006d007000000014000000 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}" C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 5600310000000000000000001700617274696661637400003e0008000400efbe00000000000000002a0000000000000000000000000000000000000000000000000061007200740069006600610063007400000018000000 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 7e0074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f3c0008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 4c003100000000000000000010004c6f63616c00380008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Suspicious behavior: LoadsDriver

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 1108 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 1108 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 1108 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 1108 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 2208 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe

Processes

C:\Users\Admin\AppData\Local\Temp\artifact.exe

"C:\Users\Admin\AppData\Local\Temp\artifact.exe"

C:\Windows\SysWOW64\arp.exe

arp -a

C:\Windows\SysWOW64\arp.exe

arp -s 10.127.0.1 1f-3c-2b-a7-b4-03

C:\Windows\SysWOW64\arp.exe

arp -s 10.127.255.255 79-23-67-37-4a-61

C:\Windows\SysWOW64\arp.exe

arp -s 37.27.61.183 00-b5-ba-32-23-85

C:\Windows\SysWOW64\arp.exe

arp -s 224.0.0.22 01-1e-1b-7f-a9-a0

C:\Windows\SysWOW64\arp.exe

arp -s 224.0.0.251 ef-b1-62-11-ae-42

C:\Windows\SysWOW64\arp.exe

arp -s 224.0.0.252 81-ac-35-c8-52-e8

C:\Windows\SysWOW64\arp.exe

arp -s 239.255.255.250 6c-d6-51-d8-5d-06

C:\Windows\SysWOW64\arp.exe

arp -s 255.255.255.255 99-3d-75-4e-95-6c

C:\Windows\SysWOW64\arp.exe

arp -d

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.baidu.com udp
HK 103.235.46.96:80 www.baidu.com tcp
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 www.aieov.com udp
US 45.79.19.196:80 www.aieov.com tcp
US 45.79.19.196:80 www.aieov.com tcp

Files

memory/2208-0-0x0000000000D80000-0x0000000000D9D000-memory.dmp

\Program Files\Common Files\System\symsrv.dll

MD5 4fcd7574537cebec8e75b4e646996643
SHA1 efa59bb9050fb656b90d5d40c942fb2a304f2a8b
SHA256 8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d
SHA512 7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

memory/2208-4-0x0000000010000000-0x0000000010033000-memory.dmp

memory/2208-10-0x0000000000D80000-0x0000000000D9D000-memory.dmp

memory/2208-11-0x0000000010000000-0x0000000010033000-memory.dmp

memory/2208-12-0x0000000010000000-0x0000000010033000-memory.dmp

memory/2208-19-0x0000000010000000-0x0000000010033000-memory.dmp

memory/2208-22-0x0000000010000000-0x0000000010033000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-16 18:36

Reported

2024-09-16 18:39

Platform

win10v2004-20240910-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\artifact.exe"

Signatures

Floxif, Floodfix

backdoor trojan floxif

Modifies visibility of file extensions in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Modifies visiblity of hidden/system files in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Detects Floxif payload

backdoor
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

Loads dropped DLL

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\arp.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Suspicious behavior: LoadsDriver

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5080 wrote to memory of 552 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 552 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 552 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 4760 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 4760 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 4760 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 232 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 232 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 232 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3140 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3140 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3140 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3296 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3296 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe
PID 5080 wrote to memory of 3296 N/A C:\Users\Admin\AppData\Local\Temp\artifact.exe C:\Windows\SysWOW64\arp.exe

Processes

C:\Users\Admin\AppData\Local\Temp\artifact.exe

"C:\Users\Admin\AppData\Local\Temp\artifact.exe"

C:\Windows\SysWOW64\arp.exe

arp -a

C:\Windows\SysWOW64\arp.exe

arp -s 10.127.0.1 99-40-0a-a4-0d-f8

C:\Windows\SysWOW64\arp.exe

arp -s 10.127.255.255 ea-a7-ab-2a-c9-13

C:\Windows\SysWOW64\arp.exe

arp -s 136.243.69.123 74-a0-00-61-34-6c

C:\Windows\SysWOW64\arp.exe

arp -s 224.0.0.22 22-52-0f-ea-70-4e

C:\Windows\SysWOW64\arp.exe

arp -s 224.0.0.251 1a-94-7d-24-64-da

C:\Windows\SysWOW64\arp.exe

arp -s 224.0.0.252 98-27-fb-2e-93-9a

C:\Windows\SysWOW64\arp.exe

arp -s 239.255.255.250 bf-44-99-a2-06-59

C:\Windows\SysWOW64\arp.exe

arp -s 255.255.255.255 e1-05-ca-bd-6a-48

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\SysWOW64\arp.exe

arp -d

Network

Country Destination Domain Proto
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 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 www.baidu.com udp
HK 103.235.46.96:80 www.baidu.com tcp
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 www.aieov.com udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 96.46.235.103.in-addr.arpa udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 23.79.56.45.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/5080-0-0x00000000002D0000-0x00000000002ED000-memory.dmp

C:\Program Files\Common Files\System\symsrv.dll

MD5 4fcd7574537cebec8e75b4e646996643
SHA1 efa59bb9050fb656b90d5d40c942fb2a304f2a8b
SHA256 8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d
SHA512 7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

memory/5080-5-0x0000000010000000-0x0000000010033000-memory.dmp

memory/5080-13-0x00000000002D1000-0x00000000002D2000-memory.dmp

C:\Users\Admin\AppData\Local\Start\update.exe

MD5 3fd148b1aa62ee178945baf6d06e0f0f
SHA1 711c7f40edee6185b63193f1e671b2fe2d15e007
SHA256 57d0f272b76a0639924032eedb1d89f911be719515abf803fbf07c4ac9c1eddb
SHA512 5e92b571ee9904d49afed585b35708113906b1235641a0ee6dddde824ec24dc2a986b8399a3c974e6cf1819a7d490060704b20bcc3ac6846f0a004e3b6ddfbc7

memory/5080-15-0x0000000010000000-0x0000000010033000-memory.dmp

memory/5080-16-0x00000000002D0000-0x00000000002ED000-memory.dmp

memory/5080-22-0x0000000010000000-0x0000000010033000-memory.dmp

memory/5080-35-0x0000000010000000-0x0000000010033000-memory.dmp