floxif | bd4ecb4b87ea173a7a35a7f37d5ea22f098041a755d21c879a5333f625bcabee

Analysis

max time kernel
92s
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
29-12-2024 18:27

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General

Target

2024-12-29_49ec9cf2c69a7d77c8d78fe1dd816816_floxif_hijackloader_luca-stealer_magniber.exe
Size

6.8MB
MD5

49ec9cf2c69a7d77c8d78fe1dd816816
SHA1

6bef255389504826d5b1d622aaca5179194c1dce
SHA256

bd4ecb4b87ea173a7a35a7f37d5ea22f098041a755d21c879a5333f625bcabee
SHA512

de4753d49f1b8c6e588cefe4f964529ba22e64fe362894ac9a8939712e91e98d883f13f56335b20185359db1310e0d36c281ef8e1323148957f7c3b180943796
SSDEEP

98304:tTvWQOq9sXZDHLoFx8OdJW+1RB6wG9jsP8+nPqmjxFH0Fi:tWQOq9spD0FLB6wGknPbx50o

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/0x000e000000023b7a-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000e000000023b7a-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1316	2024-12-29_49ec9cf2c69a7d77c8d78fe1dd816816_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/0x000e000000023b7a-1.dat	upx
behavioral2/memory/1316-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1316-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-29_49ec9cf2c69a7d77c8d78fe1dd816816_floxif_hijackloader_luca-stealer_magniber.exe

Program crash 5 IoCs

pid	pid_target	Process	procid_target
4384	1316	WerFault.exe	82
636	1316	WerFault.exe	82
2436	1316	WerFault.exe	82
3484	1316	WerFault.exe	82
2184	1316	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	2024-12-29_49ec9cf2c69a7d77c8d78fe1dd816816_floxif_hijackloader_luca-stealer_magniber.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1316	2024-12-29_49ec9cf2c69a7d77c8d78fe1dd816816_floxif_hijackloader_luca-stealer_magniber.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-29_49ec9cf2c69a7d77c8d78fe1dd816816_floxif_hijackloader_luca-stealer_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-29_49ec9cf2c69a7d77c8d78fe1dd816816_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:1316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 524
  2⤵
  - Program crash
  PID:4384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 548
  2⤵
  - Program crash
  PID:636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 556
  2⤵
  - Program crash
  PID:2436
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 564
  2⤵
  - Program crash
  PID:3484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 632
  2⤵
  - Program crash
  PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1316 -ip 1316
1⤵
PID:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1316 -ip 1316
1⤵
PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1316 -ip 1316
1⤵
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1316 -ip 1316
1⤵
PID:1384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1316 -ip 1316
1⤵
PID:848

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

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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/1316-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1316-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1316-5-0x0000000000900000-0x00000000016F2000-memory.dmp

Filesize
13.9MB

Download