floxif | 040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
09-02-2025 12:25

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General

Target

040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626.exe
Size

2.0MB
MD5

cd2a7350df1a868944be18205675df73
SHA1

b11d264eeeba15e99e33a5e9a08250ae954ff4f1
SHA256

040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626
SHA512

e99cd22a4c7c49cfd321526bec4ed0f4ac01781381abb88d2163c98c39eaeda5efbfd676130ed6c56c1c95f29d767cd7b6a22fccf1d649e5b5e855174b57212f
SSDEEP

49152:Dk0e05nJIioHlq+c6gXR92IISNbecXxHDoVf3M7sSZOZVVNa6Zp:Dka5nHoHlq+c6y92IBRecXxHUVf3M7sx

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
2404	040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c00000001202c-1.dat	upx
behavioral1/memory/2404-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2404-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626.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	040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2404	040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626.exe

C:\Users\Admin\AppData\Local\Temp\040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626.exe
"C:\Users\Admin\AppData\Local\Temp\040825bd8ce268933ca4ab4ef184f97cf34d2dd2e4ccbd681e7a17dea8047626.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2404

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2404-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2404-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2404-5-0x0000000000FE0000-0x00000000011E2000-memory.dmp

Filesize
2.0MB

Download