floxif | 28ff22af0bca5f1a212354c4d5bf4196cc5f29586036d26970a8734d3dedc303

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 17:41

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General

Target

2024-12-23_e759920cbb1d656e0adb35a35d6b3fd2_floxif_mafia.exe
Size

893KB
MD5

e759920cbb1d656e0adb35a35d6b3fd2
SHA1

6d24012787f293f3d637b8b94ffc0f83127de87e
SHA256

28ff22af0bca5f1a212354c4d5bf4196cc5f29586036d26970a8734d3dedc303
SHA512

b7990e227f2f17922ba1a826ddce4b53afe0277199db3f1063558dbfb88dc8e6834685409662696ea3e73d3d151427bee2d67d9c5a39e0dbbeb4d459442c3330
SSDEEP

24576:ZRwSdnc+4XfJp3cHYsrepciOk9vzmagSpWfxlLiissTAFAavrEH7b:ZRwSdnczvJ4YaepL4ldfOisqQAh

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral1/files/0x000c00000001202c-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c00000001202c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2536	2024-12-23_e759920cbb1d656e0adb35a35d6b3fd2_floxif_mafia.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2536-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000c00000001202c-1.dat	upx
behavioral1/memory/2536-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-23_e759920cbb1d656e0adb35a35d6b3fd2_floxif_mafia.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-23_e759920cbb1d656e0adb35a35d6b3fd2_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	2024-12-23_e759920cbb1d656e0adb35a35d6b3fd2_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-23_e759920cbb1d656e0adb35a35d6b3fd2_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-23_e759920cbb1d656e0adb35a35d6b3fd2_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2536-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2536-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2536-5-0x0000000000D90000-0x0000000000EF6000-memory.dmp

Filesize
1.4MB

Download