floxif | c22e4ccd1753c91a2c6aea0114d99ee75fc82ba72506e7fe8098b67c01bc7be3

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 17:21

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General

Target

2024-12-18_ee8d357f02627b278558babc3dc3d0d8_floxif_mafia.exe
Size

708KB
MD5

ee8d357f02627b278558babc3dc3d0d8
SHA1

f19d5f1e955ad9002e6765f1fc173257f753a4aa
SHA256

c22e4ccd1753c91a2c6aea0114d99ee75fc82ba72506e7fe8098b67c01bc7be3
SHA512

1f38142ae22bdc4646456eb2f00025b399f83b4537908565b5e16a3726022b0899649eb535953c79b57e835526efde2cd64116d66ddaa5725dd95461c7075cc2
SSDEEP

12288:uvN7t3capBjpLJt9LBCJpBQidO72sZTsWbVKFFf3FRcow6JVBjvrEH7x:uNtMap7tL2pFVsZTnbVy9FRcVKbrEH7x

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/0x000a000000023c12-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023c12-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
972	2024-12-18_ee8d357f02627b278558babc3dc3d0d8_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/972-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000a000000023c12-1.dat	upx
behavioral2/memory/972-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-18_ee8d357f02627b278558babc3dc3d0d8_floxif_mafia.exe

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	2024-12-18_ee8d357f02627b278558babc3dc3d0d8_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	972	2024-12-18_ee8d357f02627b278558babc3dc3d0d8_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-18_ee8d357f02627b278558babc3dc3d0d8_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-18_ee8d357f02627b278558babc3dc3d0d8_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:972

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/972-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/972-6-0x00000000004D1000-0x00000000004D2000-memory.dmp

Filesize
4KB

Download
memory/972-7-0x00000000004D0000-0x0000000000572000-memory.dmp

Filesize
648KB

Download
memory/972-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download