floxif | db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3

Analysis

max time kernel
148s
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
07-01-2025 06:48

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General

Target

db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3.exe
Size

234KB
MD5

3a253c2c4148bc4fd48b483fe9a20ddc
SHA1

957d94a9f9c5591697db6fe5d23330322362bb38
SHA256

db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3
SHA512

4ba9adfa0ef516b9f8606d81a045bc5573143d096278ea1839ba7e1178490ea04cd7d21a4379883e2050211719d957fb31c8a6754eca5e6d08ad9762d1cda37f
SSDEEP

3072:swzvOYwz5XygvT/DvbEvK9aobNI2B+el0LTGzkWJWXVfShNgpNcOJkeaNd1KP7Zh:Czp3h9H/B+XmBV+UdvrEFp7hKiL

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/0x0009000000023cb5-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0009000000023cb5-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3096	db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023cb5-1.dat	upx
behavioral2/memory/3096-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3096-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3.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	db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3.exe

C:\Users\Admin\AppData\Local\Temp\db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3.exe
"C:\Users\Admin\AppData\Local\Temp\db91457d3463bf43117ae766f7b02819690bfc41d179e5f831d91635cfddaac3.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3096

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/3096-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3096-5-0x0000000000EE0000-0x0000000000F09000-memory.dmp

Filesize
164KB

Download
memory/3096-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download