floxif | e1916b5d0eb1177b80e797dee22026a475511d0f4e478b08b258d6702cb60311

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 16:49

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General

Target
2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe
Size 2.5MB
Sample260731-vb61vsde87
SHA256 e1916b5d0eb1177b80e797dee22026a475511d0f4e478b08b258d6702cb60311
MD5 c2e989fe8df5bba74045755a79ad098a
SHA1 d9334ac3fdc3598f2bb9c76681c901beb050f03c
SHA512 c52c594fdc725a7766c47aab76868e3165c8eca4b2c8e333e0b2ae1f59090d2cd6c45f3358a8cf4a0d489da8764af32f67ccb17cf7e3d589180f79cef7815be5
SSDEEP 49152:2uIIKmofs2hPd2l177BTK2VbDsar1YDjI:2jjfs2hPIl1/L
TLSH
T199C5AE00FB46D2F1DD4762B448FBA31E462996F843141AD7E3580E0F5EAAAD37D3A18D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery floxif 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
behavioral2/files/0x000c000000019cc9-1.dat	floxif

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/files/0x000c000000019cc9-1.dat	UPX
behavioral2/memory/4136-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4136-13-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000019cc9-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4136	2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\d:	2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000019cc9-1.dat	upx
behavioral2/memory/4136-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4136-13-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
3760	4136	WerFault.exe	87
6096	4136	WerFault.exe	87
4176	4136	WerFault.exe	87

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	2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4136	2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe
4136	2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4136	2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_c2e989fe8df5bba74045755a79ad098a_darkgate_elex_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 964
  2⤵
  - Program crash
  PID:3760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 880
  2⤵
  - Program crash
  PID:6096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 888
  2⤵
  - Program crash
  PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4136 -ip 4136
1⤵
PID:1824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4136 -ip 4136
1⤵
PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 4136 -ip 4136
1⤵
PID:5596

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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/4136-4-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4136-10-0x0000000000EE1000-0x0000000000EE2000-memory.dmp

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memory/4136-11-0x0000000000EE0000-0x000000000114A000-memory.dmp

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memory/4136-13-0x0000000010000000-0x0000000010030000-memory.dmp

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