Malware Analysis Report

2024-12-08 02:39

Sample ID 240913-qgfzeaseqd
Target 2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia
SHA256 48a437fd88ac7f8c3656c03bbbfb894afc0cd9f22f307f5ce7c50c53910217a3
Tags
floxif backdoor discovery trojan upx persistence privilege_escalation
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

48a437fd88ac7f8c3656c03bbbfb894afc0cd9f22f307f5ce7c50c53910217a3

Threat Level: Known bad

The file 2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia was found to be: Known bad.

Malicious Activity Summary

floxif backdoor discovery trojan upx persistence privilege_escalation

Floxif, Floodfix

Detects Floxif payload

Event Triggered Execution: AppInit DLLs

ACProtect 1.3x - 1.4x DLL software

UPX packed file

Loads dropped DLL

Drops file in Program Files directory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-13 13:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-13 13:13

Reported

2024-09-13 13:16

Platform

win7-20240708-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe"

Signatures

Floxif, Floodfix

backdoor trojan floxif

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

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

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\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.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\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe"

Network

N/A

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1900-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1900-7-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1900-5-0x0000000000D90000-0x0000000001038000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-13 13:13

Reported

2024-09-13 13:16

Platform

win10v2004-20240802-en

Max time kernel

91s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe"

Signatures

Floxif, Floodfix

backdoor trojan floxif

Detects Floxif payload

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

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

ACProtect 1.3x - 1.4x DLL software

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
N/A N/A N/A N/A
N/A N/A N/A 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\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.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\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-09-13_9d1e28ec357a244077f58f109d253f0c_floxif_hijackloader_mafia.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2728 -ip 2728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2728 -ip 2728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 816

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 52.111.227.14:443 tcp

Files

memory/2728-4-0x0000000010000000-0x0000000010030000-memory.dmp

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/2728-6-0x00000000005E1000-0x00000000005E2000-memory.dmp

memory/2728-13-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2728-11-0x00000000005E0000-0x0000000000888000-memory.dmp