floxif | d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1

Analysis

max time kernel
139s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
07-02-2025 07:43

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General

Target

d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1.exe
Size

286KB
MD5

245294b3f2443174a249d3fc0fa5d4c4
SHA1

3bba0bf79c6d54408dc43846f6e3aa33291f9bc0
SHA256

d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1
SHA512

18641bb802351e4848f3746bf1db6d373a2a58500155244371a7d9d1077ed12fa96cd69b843b84b5124dc1004abe3c638bdd45645c4b9bd6bd035dfceb5c95d7
SSDEEP

6144:+7gKNkhSR/OxouyXnZhB+h8WHlBV+UdvrEFp7hKO9:+7gKNkhm/OOuyXnPB+h8WHlBjvrEH7j9

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/0x000d000000023ae8-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000d000000023ae8-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3540	d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3540-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000d000000023ae8-1.dat	upx
behavioral2/memory/3540-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1.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	d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3540	d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1.exe

C:\Users\Admin\AppData\Local\Temp\d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1.exe
"C:\Users\Admin\AppData\Local\Temp\d6b6e85df6db35ab2902105f8cccfe17733ba638e3bd87260bc6a64c23fb5ce1.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3540

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/3540-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3540-5-0x0000000000390000-0x00000000003C7000-memory.dmp

Filesize
220KB

Download
memory/3540-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download