floxif | 8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1

Analysis

max time kernel
94s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 06:44

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General

Target

8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1.exe
Size

287KB
MD5

9c6d2e21e7ceedac4af77ce0b68b6b2a
SHA1

caba0dbb5452476ed854dce2426a2c8af002f74c
SHA256

8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1
SHA512

d3cc7cae9a43e417c7a1b591539773e0ccbc94e2548afa8d8dc1ff5597560dd6c401b18c439273f90d631e71dfabc600b526321ff3d63ad5114a7ebf6e813d18
SSDEEP

6144:0vTfTJ1kHnuyXTZBB+R8WpMBV+UdvrEFp7hK9:0vTbJauyXTvB+R8WiBjvrEH7K

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/0x000c000000023b0f-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b0f-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4000	8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b0f-1.dat	upx
behavioral2/memory/4000-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4000-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1.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	8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4000	8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1.exe

C:\Users\Admin\AppData\Local\Temp\8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1.exe
"C:\Users\Admin\AppData\Local\Temp\8ef85cb7d223b82dfd6a4364b34237400d20982673828796eac9dcda74130cc1.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4000

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/4000-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4000-5-0x0000000000910000-0x0000000000947000-memory.dmp

Filesize
220KB

Download
memory/4000-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download