floxif | 695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/11/2024, 17:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe
Size

440KB
MD5

ba0ae7165e0a0b8fa3ad5e1ac7e7fa70
SHA1

50d56d7aded5476310891e5ef6700fcdef18d44a
SHA256

695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c
SHA512

a86d889f7e08cafef726efc9e77162aff94ccdb2902d35ab79643e615acf6eb6bb56dbb7790fec9488ea73b2a3a0cbe40b09a03d152f2fb24d93367839c9b172
SSDEEP

12288:2/J+CtaxnjZpAbxdxDcWcnR4bfXfwiSeiw8xHgbYpOb8NO0qwxeWfF02/S0lqJq+:+el3+R0DvfeUYqcZQCGm4YprEH7A

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/0x000b000000023c75-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000b000000023c75-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3108	695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000023c75-1.dat	upx
behavioral2/memory/3108-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3108-19-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.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	695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3108	695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe
3108	695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3108	695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe

C:\Users\Admin\AppData\Local\Temp\695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe
"C:\Users\Admin\AppData\Local\Temp\695d078b7d67b15d5df571bf85b17226278357d2d1e9d13b1bce0700f16d826c.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3108-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3108-5-0x0000000000CD1000-0x0000000000CD2000-memory.dmp

Filesize
4KB

Download
memory/3108-17-0x0000000000CD0000-0x0000000000D37000-memory.dmp

Filesize
412KB

Download
memory/3108-19-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download