floxif | 9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002

Analysis

max time kernel
139s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 18:50

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General

Target

9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002.exe
Size

562KB
MD5

a8cce138f69c883c2c9fa30d7028871e
SHA1

913f73d0173a00aa7120bd0684d6e2c312514b17
SHA256

9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002
SHA512

5dfc8851620e2fb7feadc92e23e6ee98037fa531156d4878f36600e0ed22e9328e9412f4d4c7ea5785082033858476e8c543e9287e55559ef31366863a3d531c
SSDEEP

12288:YnR+T6jdSeQjHRmwEGP4/uSlvdG4BjvrEH7e:YnR+T6BSeQ74fGivd3rEH7e

Score

10^/10

floxif backdoor discovery persistence privilege_escalation 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/0x000c000000023b9c-1.dat	floxif

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b9c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3180	9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b9c-1.dat	upx
behavioral2/memory/3180-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3180-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002.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	9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002.exe

C:\Users\Admin\AppData\Local\Temp\9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002.exe
"C:\Users\Admin\AppData\Local\Temp\9e9df320082b2c2d43a9e58143a7eff72ce26216c02226029989d3c798994002.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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/3180-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3180-6-0x0000000000D10000-0x0000000000D8A000-memory.dmp

Filesize
488KB

Download
memory/3180-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download