floxif | 6b2310a3abb7709a5cb264962afa1621b2a9ab3a2a552bf6962da3cc2a6c22c2

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 07:26

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General

Target

2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe
Size

1.8MB
MD5

aa5d1967d3284d983225359dad8d7e2c
SHA1

bfe508c1ee43aa420a38588b1325d2d3e3054350
SHA256

6b2310a3abb7709a5cb264962afa1621b2a9ab3a2a552bf6962da3cc2a6c22c2
SHA512

e4d8f3b13faf94469587d605b11a22f9fd53e4da1460aafa337a46795473a02c148f0730da96aa52909cfed6dc5cdc0d57503c97ad1bd4db26eb90ea5798a2e3
SSDEEP

49152:W5Zp6PIguuBR5+s5gvDwpPtwHvehhFKT8oBaqBeqyZSERu9WaZ:W5qPfuuYv0pPWehhFMBpBeq0IZ

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/0x000d000000023c1f-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000d000000023c1f-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1508	2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000d000000023c1f-1.dat	upx
behavioral2/memory/1508-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1508-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4224	1508	WerFault.exe	82
1080	1508	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	2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1508	2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe
1508	2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-16_aa5d1967d3284d983225359dad8d7e2c_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 648
  2⤵
  - Program crash
  PID:4224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 656
  2⤵
  - Program crash
  PID:1080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1508 -ip 1508
1⤵
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1508 -ip 1508
1⤵
PID:1332

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/1508-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1508-6-0x0000000000E11000-0x0000000000E12000-memory.dmp

Filesize
4KB

Download
memory/1508-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1508-7-0x0000000000E10000-0x0000000000FCD000-memory.dmp

Filesize
1.7MB

Download