floxif | d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121

Analysis

max time kernel
96s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 04:29

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General

Target

d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121.exe
Size

3.2MB
MD5

24f0b6c08fca79dedcd322c9280fc7bd
SHA1

c185eaf26f05929f4238a3bbd70d7d7498f1d51d
SHA256

d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121
SHA512

6733c00c9d0ff75bd2369294c2d0aa9809b1586657396438108e4d28011af250c7b55de0ffb288101f1798299b2d2daabdadd196660555f3cb9cc11f8fd3e68e
SSDEEP

49152:2KT5razB15YsBNMqxs9j7GvQDf536Ubmezbj2PSWMNXoLnbtvNPBtpCW1zMO:2KMHXADyPSWMNXoPPBtMW2O

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/0x000c000000023b88-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b88-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4736	d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b88-1.dat	upx
behavioral2/memory/4736-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4736-14-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121.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	d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4736	d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121.exe

C:\Users\Admin\AppData\Local\Temp\d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121.exe
"C:\Users\Admin\AppData\Local\Temp\d8935fabea4e5527f1911fa85ffe099a40efdc343c783e6a09497de92cc4b121.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:4736

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
C:\Users\Admin\AppData\Local\Temp\v3restore.log

Filesize
711B

MD5
ea0ab24d7a0cc005b492b76adbb3d83f

SHA1
8171bfb43ceae10e9268986f74be0973c095f672

SHA256
8789c5ff6617701d189eed293b7663bbe1f5bf0fd383ce4c8f23e72309722023

SHA512
03a1e83be7900a932f0aba160f4333a5f5a6caaad37fbd4768cd616f6a3e75bb5493a279f81994342d3dd8599eb3e1b350f2554bef032f2158da3273d877b91e

Download Submit
memory/4736-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4736-14-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download