floxif | f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 05:25

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General

Target

f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36.exe
Size

286KB
MD5

7538eabdc39dd052053642e6e24e14cf
SHA1

b9074018c71e452d2707c83df7cc875e200d897c
SHA256

f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36
SHA512

928d1a6862f81d8eecef2e844c644f915dec3b187be17061cc5b5392140fded4110570d846106dc21ddc2ea2aa369ce03c42f66039c953de259307b866f43f91
SSDEEP

6144:47gRH/5kHouyXnZhB+h8WHlBV+UdvrEFp7hKh:47gRH/JuyXnPB+h8WHlBjvrEH7a

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/0x000500000002309e-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000500000002309e-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3120	f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000500000002309e-1.dat	upx
behavioral2/memory/3120-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3120-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36.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	f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3120	f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36.exe

C:\Users\Admin\AppData\Local\Temp\f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36.exe
"C:\Users\Admin\AppData\Local\Temp\f9149885ee3f5ba2f43b4893b860947d54537ad4582830490bdff6db73983c36.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3120

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/3120-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3120-5-0x0000000000B30000-0x0000000000B67000-memory.dmp

Filesize
220KB

Download
memory/3120-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download