floxif | 10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6

Analysis

max time kernel
15s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 12:13

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General

Target

10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6N.exe
Size

3.2MB
MD5

cd7205e30bf9e1386ef87a75b09e9a20
SHA1

fc1da4ca294b4eb1821999cf5bdee00f8ebaa708
SHA256

10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6
SHA512

a74cda0ca896187a06eccacd3644d9ba2edce3b9f3bfb40db0147d6585e13d0be00dede4c7c7a4a0b836f08b24b5fab4bf468972945b8a63b959c3db57d5583c
SSDEEP

49152:2KT5razB15FsBNMqxs9j7GvQDf536Ubmezbj2PSWMNXoenbteNPBtpCW1zMQ:2KMHKADyPSWMNXo3PBtMW2Q

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/0x000700000001211a-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000700000001211a-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2132	10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000700000001211a-1.dat	upx
behavioral1/memory/2132-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2132-13-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6N.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	10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2132	10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6N.exe

C:\Users\Admin\AppData\Local\Temp\10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6N.exe
"C:\Users\Admin\AppData\Local\Temp\10781bfafae697d165e463c15421a85936bdb1511b91e8d5878487ffa3e66bd6N.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:2132

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/2132-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2132-13-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download