floxif | db01b600f8051efd88a49e88381b1570a5774201f5b235d6a24a0b35158f3b4c

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 09:37

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General

Target

2025-01-20_dbb83adf620b26590561e755b2cd3f18_floxif_mafia.exe
Size

558KB
MD5

dbb83adf620b26590561e755b2cd3f18
SHA1

adb7e74e99ed348136bfed3a848338626124fd28
SHA256

db01b600f8051efd88a49e88381b1570a5774201f5b235d6a24a0b35158f3b4c
SHA512

2b107d64c85ee7436c501e143bc0bda609981601acc8680fd7c18e1ff828fce9b27b5f389bef671d015820846a32b846cef3fdd339768691ebf56cfb9303bff4
SSDEEP

12288:Qn5N5zpldREyS81w15Y4CRHF16gEhpqGApVaHEHBjvrEH7t:W5N5tlPS8C5YPRl1QhpqGCVaHEFrEH7t

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
behavioral2/files/0x0008000000023c71-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000023c71-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3304	2025-01-20_dbb83adf620b26590561e755b2cd3f18_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023c71-1.dat	upx
behavioral2/memory/3304-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3304-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2025-01-20_dbb83adf620b26590561e755b2cd3f18_floxif_mafia.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	2025-01-20_dbb83adf620b26590561e755b2cd3f18_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	2025-01-20_dbb83adf620b26590561e755b2cd3f18_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3304	2025-01-20_dbb83adf620b26590561e755b2cd3f18_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-20_dbb83adf620b26590561e755b2cd3f18_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-20_dbb83adf620b26590561e755b2cd3f18_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3304

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:3296

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

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3304-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3304-6-0x00000000006B1000-0x00000000006B2000-memory.dmp

Filesize
4KB

Download
memory/3304-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3304-8-0x00000000006B0000-0x000000000072F000-memory.dmp

Filesize
508KB

Download