floxif | f585ad9d3945ba061756e96667915e6e863f8788018d56c6514945dc436810fa

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 10:25

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General

Target

2024-12-30_289791b26129f06edbce0919e029c3e8_floxif_hijackloader_luca-stealer_magniber.exe
Size

6.7MB
MD5

289791b26129f06edbce0919e029c3e8
SHA1

1f0ed692754098ad4c9b66e9d80701a3ebb90b12
SHA256

f585ad9d3945ba061756e96667915e6e863f8788018d56c6514945dc436810fa
SHA512

8ba2bf71cf9b2b4acd01c865924d5deda7f0320187a3cbc7a91b9bbbe7e78214af013c6f6cc02be86551eb5ac8f1d65d54f690773c997491c0f3de515ca47b91
SSDEEP

98304:H7vTScaK6TllY2G2XDR+NGJqUWgTDcBgxlsFydFPLbpxTaz/FQM:DTScaK6TllYq1q2wgxljPRxWL7

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
behavioral2/files/0x000f000000023b76-1.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
behavioral2/files/0x000f000000023b76-1.dat	acprotect

Loads dropped DLL 5 IoCs

pid	Process
4504	2024-12-30_289791b26129f06edbce0919e029c3e8_floxif_hijackloader_luca-stealer_magniber.exe
4180	WerFault.exe
4360	WerFault.exe
4856	WerFault.exe
4824	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000f000000023b76-1.dat	upx
behavioral2/memory/4504-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4504-11-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-30_289791b26129f06edbce0919e029c3e8_floxif_hijackloader_luca-stealer_magniber.exe

Program crash 5 IoCs

pid	pid_target	Process	procid_target
336	4504	WerFault.exe	81
1916	4504	WerFault.exe	81
1896	4504	WerFault.exe	81
4360	4504	WerFault.exe	81
4824	4504	WerFault.exe	81

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	2024-12-30_289791b26129f06edbce0919e029c3e8_floxif_hijackloader_luca-stealer_magniber.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4504	2024-12-30_289791b26129f06edbce0919e029c3e8_floxif_hijackloader_luca-stealer_magniber.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-30_289791b26129f06edbce0919e029c3e8_floxif_hijackloader_luca-stealer_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-30_289791b26129f06edbce0919e029c3e8_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:4504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 524
  2⤵
  - Program crash
  PID:336
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 560
  2⤵
  - Program crash
  PID:1916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 600
  2⤵
  - Program crash
  PID:1896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 552
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:4360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 548
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4504 -ip 4504
1⤵
PID:648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4504 -ip 4504
1⤵
PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4504 -ip 4504
1⤵
PID:2452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4504 -ip 4504
1⤵
- Loads dropped DLL
PID:4180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4504 -ip 4504
1⤵
- Loads dropped DLL
PID:4856

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4504-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4504-11-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4504-9-0x0000000000460000-0x0000000001241000-memory.dmp

Filesize
13.9MB

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