floxif | 53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65

Analysis

max time kernel
138s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
06-02-2025 07:04

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General

Target

53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65.exe
Size

241KB
MD5

070c2ef0f5ea25ad5c9b51cf534a07b4
SHA1

8b7020fdc5e03353fb3d0ba8c3f0c57875c2c8db
SHA256

53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65
SHA512

db5db4994ca75d222c37d6e4c91043b526e23ad5d07a8b15ecb54a729bff18758899090de05473b0b93b3f841fac4e6628436c8d314fdeb7f4146766dacae5e0
SSDEEP

6144:eMOiP/aK2h9H/B+rwNBV+UdvrEFp7hKY6z:eMTP/aK2vB+kNBjvrEH72z

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/0x000c000000023b52-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b52-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
392	53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b52-1.dat	upx
behavioral2/memory/392-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/392-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65.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	53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65.exe

C:\Users\Admin\AppData\Local\Temp\53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65.exe
"C:\Users\Admin\AppData\Local\Temp\53968b9da2e5a359ae95f2644ad2c649d02629026021f432cc0ce751410d5f65.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:392

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/392-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/392-5-0x0000000000510000-0x0000000000539000-memory.dmp

Filesize
164KB

Download
memory/392-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download