floxif | 3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 21:19

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General

Target

3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606.exe
Size

277KB
MD5

eef2a279d027cdcd3872e2292e198a5b
SHA1

957bcfeb2f8b4dd196cd6c1e039d91098f816fb5
SHA256

3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606
SHA512

359cc2a214464e20383e949201f8a0d07d82872cf4fc9c3cd64a6ef9dc98a7fac28aad29faf7dd2d9db517300f82393e0345ffc6967f660e0c7beb78ea85673e
SSDEEP

6144:Efl/DRfkTC3dMnB++CuBV+UdvrEFp7hKZT:EflbRfky+B++CuBjvrEH7m

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/0x000b00000001225e-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b00000001225e-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1712	3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1712-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b00000001225e-1.dat	upx
behavioral1/memory/1712-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606.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	3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606.exe

C:\Users\Admin\AppData\Local\Temp\3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606.exe
"C:\Users\Admin\AppData\Local\Temp\3621d07516829d85ac62dbbd19ae28ea41c87c57de4d9a405fb1a218eef28606.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1712

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/1712-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1712-5-0x00000000002B0000-0x00000000002E4000-memory.dmp

Filesize
208KB

Download
memory/1712-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download