floxif | 58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be

Analysis

max time kernel
93s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 06:08

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General

Target

58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be.exe
Size

234KB
MD5

3173e2827e773445788d2fb0945e9316
SHA1

5fbb62e8de48b4d2fc256bf18c80b69be35de4f1
SHA256

58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be
SHA512

6102e10b75cd3d828e66bde4a1511539e59d7f4a0e2b7f85648931056bbc5ed68b0db7ba3eea8e9d00033ce55b2ff5d23577172f7e492a7efd9e504d46ed5266
SSDEEP

3072:uwzvOYT75HvvT/DvbEvK9aobNI2B+flkL7OjUuxGftPyhdY55s2ZUuyNFhyzzZiF:b7Vfh9H/B+/kBV+UdvrEFp7hKW

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/0x000b000000023b8f-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000b000000023b8f-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
524	58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000023b8f-1.dat	upx
behavioral2/memory/524-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/524-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be.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	58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	524	58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be.exe

C:\Users\Admin\AppData\Local\Temp\58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be.exe
"C:\Users\Admin\AppData\Local\Temp\58f262aeb6129f8b6d2f290458b4d229d7329b5ebdaeadf68866ad4c48c177be.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:524

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/524-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/524-5-0x00000000004F0000-0x0000000000519000-memory.dmp

Filesize
164KB

Download
memory/524-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download