floxif | 497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-12-2024 19:10

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General

Target

497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a.exe
Size

234KB
MD5

9a01494de371c8c7b18a354e295693e3
SHA1

6262d5e1fa02d0e2bc06d4290d8790e1ce11c9a0
SHA256

497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a
SHA512

8d642e5ba619ea5da2e63bf45011525c0d0bc4b5add3c5272f77dfd4a4c43a764334adaf42d358615edb5d74ad20b471d9c3f92590cebd515762be09d3b2ffc7
SSDEEP

3072:uwzvOYTJw/aKavT/DvbEvK9aobNI2B+flkL7OjUuxGftPyhdY55s2ZUuyNFhyzzX:bJw/aK2h9H/B+/kBV+UdvrEFp7hKGStL

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
behavioral1/files/0x00080000000120f9-1.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
behavioral1/files/0x00080000000120f9-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1952	497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1952-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x00080000000120f9-1.dat	upx
behavioral1/memory/1952-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a.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	497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a.exe

C:\Users\Admin\AppData\Local\Temp\497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a.exe
"C:\Users\Admin\AppData\Local\Temp\497c4f05f135c5cad23143e13a002126e675bc85e8707032219b1e3932b96b1a.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1952

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

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/1952-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1952-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1952-5-0x0000000000200000-0x0000000000229000-memory.dmp

Filesize
164KB

Download