floxif | 6b942ef0b23977c430ec12337afed83922a6ec4406fabe0b77d6d6c5a370a000

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
08-01-2025 18:35

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General

Target

2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe
Size

272KB
MD5

7f13f681b2afa577d5f00d0edadac9a3
SHA1

755089e80ec7a11e7bfa17c6f7d253aea996aedd
SHA256

6b942ef0b23977c430ec12337afed83922a6ec4406fabe0b77d6d6c5a370a000
SHA512

f6a44338b13a207311e926ecc98aaf76e6c2503cd2a1d7e2091812298eaad23705c15b78ddb516e88f09bae39d3c52a26f52b3f49b1cbd5c09cb721a66e17684
SSDEEP

6144:2MMZlnmZgMgDGkTEUET+l2AbpLk0cusQvMRlkM4RD/qzMfUB3aC:zMZlnikT1KG2qk0nMRGM4h/qofq3aC

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/0x000c000000023b91-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b91-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
4188	arp.exe
3624	arp.exe
832	arp.exe
2224	arp.exe
1524	arp.exe
1724	arp.exe
324	arp.exe
4732	arp.exe
3436	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2296-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/files/0x000c000000023b91-1.dat	upx
behavioral2/memory/2296-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe

System Location Discovery: System Language Discovery 1 TTPs 10 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	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2224	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	82
PID 2296 wrote to memory of 2224	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	82
PID 2296 wrote to memory of 2224	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	82
PID 2296 wrote to memory of 1524	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	84
PID 2296 wrote to memory of 1524	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	84
PID 2296 wrote to memory of 1524	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	84
PID 2296 wrote to memory of 4732	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	85
PID 2296 wrote to memory of 4732	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	85
PID 2296 wrote to memory of 4732	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	85
PID 2296 wrote to memory of 3436	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	86
PID 2296 wrote to memory of 3436	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	86
PID 2296 wrote to memory of 3436	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	86
PID 2296 wrote to memory of 1724	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	87
PID 2296 wrote to memory of 1724	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	87
PID 2296 wrote to memory of 1724	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	87
PID 2296 wrote to memory of 324	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	88
PID 2296 wrote to memory of 324	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	88
PID 2296 wrote to memory of 324	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	88
PID 2296 wrote to memory of 4188	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	89
PID 2296 wrote to memory of 4188	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	89
PID 2296 wrote to memory of 4188	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	89
PID 2296 wrote to memory of 3624	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	90
PID 2296 wrote to memory of 3624	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	90
PID 2296 wrote to memory of 3624	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	90
PID 2296 wrote to memory of 832	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	91
PID 2296 wrote to memory of 832	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	91
PID 2296 wrote to memory of 832	2296	2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe	91

C:\Users\Admin\AppData\Local\Temp\2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_7f13f681b2afa577d5f00d0edadac9a3_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2224
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 e9-8d-47-ec-a4-3d
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:1524
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 1f-c8-08-d3-38-bd
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:4732
- C:\Windows\SysWOW64\arp.exe
  arp -s 136.243.76.170 bf-0a-63-c5-5f-4c
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:3436
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 0d-a9-c2-e2-85-0f
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:1724
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 bb-ed-c5-7f-5f-85
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:324
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.252 10-88-42-fb-26-ef
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:4188
- C:\Windows\SysWOW64\arp.exe
  arp -s 239.255.255.250 08-b6-be-12-f7-5e
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:3624
- C:\Windows\SysWOW64\arp.exe
  arp -s 255.255.255.255 8a-ff-a6-f9-f8-ce
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

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
71KB

MD5
4fcd7574537cebec8e75b4e646996643

SHA1
efa59bb9050fb656b90d5d40c942fb2a304f2a8b

SHA256
8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

SHA512
7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

Download Submit
memory/2296-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2296-6-0x0000000000021000-0x0000000000022000-memory.dmp

Filesize
4KB

Download
memory/2296-7-0x0000000000020000-0x0000000000052000-memory.dmp

Filesize
200KB

Download
memory/2296-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download