floxif | 14a3600c0dfcd35c48be5dfabf2a792f34ed1e0b2843e5195ef4c85042457784

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
31/08/2026, 16:01

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General

Target
14a3600c0dfcd35c48be5dfabf2a792f34ed1e0b2843e5195ef4c85042457784.dll
Size 1.2MB
Sample260831-tge9navgrd
SHA256 14a3600c0dfcd35c48be5dfabf2a792f34ed1e0b2843e5195ef4c85042457784
MD5 4fa45635c5583e15273d97f849d50d7c
SHA1 95d2ebedc2b3482d8d2b2fde98eb74e247d6b606
SHA512 bd6f22c7b80164815ab1fb02526c7b29817cfe28de51a166a7020fd80e4a6fb22c289cd99d17629b6d8f302de1ef21fcbd7dd778f694c8481ad52c8272a6b57c
SSDEEP 24576:zo/pmotuQzYI8HnnaSXN4jCiEVrUgQrEH7e+:QDzYz994jClVQgu+
TLSH
T14055C652FD21D326F2A769B6F13F9A67821DE441174A80CB758CE49D0F748D3AF3A242
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery floxif persistence privilege_escalation trojan upx

Malware Config

Signatures

Family: 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
behavioral1/files/0x000600000001e6b8-1.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
behavioral1/files/0x000600000001e6b8-1.dat	acprotect

Loads dropped DLL 5 IoCs

pid	Process
2172	rundll32.exe
3880	WerFault.exe
3844	WerFault.exe
4264	WerFault.exe
4772	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000600000001e6b8-1.dat	upx
behavioral1/memory/2172-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2172-12-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3844	2172	WerFault.exe	86
4772	2172	WerFault.exe	86

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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 2172	4912	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\14a3600c0dfcd35c48be5dfabf2a792f34ed1e0b2843e5195ef4c85042457784.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\14a3600c0dfcd35c48be5dfabf2a792f34ed1e0b2843e5195ef4c85042457784.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 712
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:3844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 720
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:4772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2172 -ip 2172
1⤵
- Loads dropped DLL
PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2172 -ip 2172
1⤵
- Loads dropped DLL
PID:4264

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

symsrv.dll

Path C:\Program Files\Common Files\System\symsrv.dll
Size 67KB
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
TLSH
T17863F1372AB5807DDD210D37949F835AB771E5A76C20643FC25907D988B8DD0E3239AE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2172-4-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/2172-12-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/2172-10-0x0000000074AB0000-0x0000000074BD9000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads