floxif | 8bade9744d8b91800c864f27bdc180db6c9c78bbafcc7ee6d82de65b46ee9f5e

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
22-12-2024 09:34

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General

Target

2024-12-22_e573a21091f993e01ea99a88c551e8d8_floxif_hijackloader_luca-stealer_magniber.exe
Size

4.6MB
MD5

e573a21091f993e01ea99a88c551e8d8
SHA1

3dd62192d88e9b447a7d6196bc4ad10ec0fb4f8e
SHA256

8bade9744d8b91800c864f27bdc180db6c9c78bbafcc7ee6d82de65b46ee9f5e
SHA512

a6a90c23b11ba74a5096fdc6f92335b48c50f1195a51764ddeeb691a8663325c6d61b1cb0476a23c7bdee538832f0dab3a5ed72eb84f6015693d0bbef87edc1b
SSDEEP

98304:2/v5j1uP0GzjMXaJ5rd0SR0Egc5T6kJ6IsqfTVyIb0Pa:2bucG3Mqbdlg8TsqLbwPa

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/0x000d000000023c86-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000d000000023c86-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4544	2024-12-22_e573a21091f993e01ea99a88c551e8d8_floxif_hijackloader_luca-stealer_magniber.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000d000000023c86-1.dat	upx
behavioral2/memory/4544-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4544-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-22_e573a21091f993e01ea99a88c551e8d8_floxif_hijackloader_luca-stealer_magniber.exe

Program crash 5 IoCs

pid	pid_target	Process	procid_target
3384	4544	WerFault.exe	82
5008	4544	WerFault.exe	82
4336	4544	WerFault.exe	82
3052	4544	WerFault.exe	82
740	4544	WerFault.exe	82

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	2024-12-22_e573a21091f993e01ea99a88c551e8d8_floxif_hijackloader_luca-stealer_magniber.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	2024-12-22_e573a21091f993e01ea99a88c551e8d8_floxif_hijackloader_luca-stealer_magniber.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-22_e573a21091f993e01ea99a88c551e8d8_floxif_hijackloader_luca-stealer_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-22_e573a21091f993e01ea99a88c551e8d8_floxif_hijackloader_luca-stealer_magniber.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 524
  2⤵
  - Program crash
  PID:3384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 532
  2⤵
  - Program crash
  PID:5008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 560
  2⤵
  - Program crash
  PID:4336
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 604
  2⤵
  - Program crash
  PID:3052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 632
  2⤵
  - Program crash
  PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4544 -ip 4544
1⤵
PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4544 -ip 4544
1⤵
PID:3508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4544 -ip 4544
1⤵
PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4544 -ip 4544
1⤵
PID:1228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4544 -ip 4544
1⤵
PID:776

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/4544-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4544-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4544-5-0x0000000000710000-0x00000000012D2000-memory.dmp

Filesize
11.8MB

Download