Malware Analysis Report

2024-11-13 20:02

Sample ID 240909-2afwlsvfqb
Target 2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia
SHA256 1b65250643b35443cc6be9c954a05c8f249e81a9eeb31bb2e195c8281645461f
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

1b65250643b35443cc6be9c954a05c8f249e81a9eeb31bb2e195c8281645461f

Threat Level: Known bad

The file 2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_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

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 22:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 22:22

Reported

2024-09-09 22:25

Platform

win7-20240903-en

Max time kernel

117s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.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

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\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_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\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.exe"

Network

N/A

Files

memory/2576-1-0x00000000000AE000-0x00000000000AF000-memory.dmp

memory/2576-4-0x0000000010000000-0x0000000010030000-memory.dmp

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/2576-6-0x0000000000070000-0x0000000000112000-memory.dmp

memory/2576-8-0x0000000010000000-0x0000000010030000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 22:22

Reported

2024-09-09 22:25

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.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

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\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_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\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-09-09_47394c396fe83eb2ba9c842a9bba6d06_floxif_mafia.exe"

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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/5072-1-0x00000000005EE000-0x00000000005EF000-memory.dmp

memory/5072-5-0x0000000010000000-0x0000000010030000-memory.dmp

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/5072-7-0x00000000005B0000-0x0000000000652000-memory.dmp

memory/5072-8-0x00000000005B0000-0x0000000000652000-memory.dmp

memory/5072-10-0x0000000010000000-0x0000000010030000-memory.dmp