Malware Analysis Report

2025-08-05 14:40

Sample ID 250703-f5jp4atycy
Target 2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia
SHA256 27d7c5c854a312222a49274486171045071d4e5bc150cc6022fcfec23b30c84e
Tags
floxif backdoor discovery trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

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

27d7c5c854a312222a49274486171045071d4e5bc150cc6022fcfec23b30c84e

Threat Level: Known bad

The file 2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia was found to be: Known bad.

Malicious Activity Summary

floxif backdoor discovery trojan upx

Floxif family

Floxif, Floodfix

Detects Floxif payload

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

UPX packed file

Drops file in Program Files directory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-07-03 05:27

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-07-03 05:27

Reported

2025-07-03 05:29

Platform

win10v2004-20250619-en

Max time kernel

103s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe"

Signatures

Floxif family

floxif

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\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.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:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.179.227:80 c.pki.goog tcp

Files

memory/1728-4-0x0000000010000000-0x0000000010030000-memory.dmp

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1728-6-0x0000000000A51000-0x0000000000A52000-memory.dmp

memory/1728-7-0x0000000000A50000-0x0000000000AC0000-memory.dmp

C:\Users\Admin\AppData\Local\Adobe\AAMUpdater\1.0\AdobeUpdaterPrefs.dat

MD5 2e3b734b8e788c792e5befb866e223ea
SHA1 53d7c18cd350e799fb01c346bfdb3321e4b1408d
SHA256 10547a91a927f3ce40a88153fbc8c42c1f4ff7dfe0594c2aeb15bd6a7ca8ab0c
SHA512 856da42e755de6cd31763273fea9dbc4af713f4bda79d2340683905889d6cba80fa249922ddfb9f0b2165040480910971b7ec08cc7a1a731bba780d53e10f176

memory/1728-14-0x0000000000A50000-0x0000000000AC0000-memory.dmp

memory/1728-16-0x0000000010000000-0x0000000010030000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-07-03 05:27

Reported

2025-07-03 05:29

Platform

win11-20250610-en

Max time kernel

101s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe"

Signatures

Floxif family

floxif

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\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.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:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2025-07-03_0572fe10ee1cec3f89896d56f23671e5_elex_floxif_mafia.exe"

Network

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/2520-4-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2520-6-0x00000000006C1000-0x00000000006C2000-memory.dmp

memory/2520-7-0x00000000006C0000-0x0000000000730000-memory.dmp

C:\Users\Admin\AppData\Local\Adobe\AAMUpdater\1.0\AdobeUpdaterPrefs.dat

MD5 2e3b734b8e788c792e5befb866e223ea
SHA1 53d7c18cd350e799fb01c346bfdb3321e4b1408d
SHA256 10547a91a927f3ce40a88153fbc8c42c1f4ff7dfe0594c2aeb15bd6a7ca8ab0c
SHA512 856da42e755de6cd31763273fea9dbc4af713f4bda79d2340683905889d6cba80fa249922ddfb9f0b2165040480910971b7ec08cc7a1a731bba780d53e10f176

memory/2520-14-0x00000000006C0000-0x0000000000730000-memory.dmp

memory/2520-15-0x0000000010000000-0x0000000010030000-memory.dmp