floxif | fdbb8f8b9d5010e66b56af33265c6d4794b9a9a343f25a274da342bf0246f4d7

General

Target
2026-07-08_40c56031ce1a8458ae3146e2ffd09119_akira_amadey_darkgate_elex_floxif_luca-stealer_njrat_remcos_smoke-loader.exe
Size 4.2MB
Sample260708-njgbvafy8r
SHA256 fdbb8f8b9d5010e66b56af33265c6d4794b9a9a343f25a274da342bf0246f4d7
MD5 40c56031ce1a8458ae3146e2ffd09119
SHA1 a5974ced8b1327b046d7e81e3c48746a53174008
SHA512 2cc8a46f6971600178e38b8edaf1f085369985092cca22808424b9af2fd604513ff1a79a46464c48583dfe78d4132693da1b81cf2b555e693e713ab88c400d76
SSDEEP 49152:cUbU1/jSkLSduCByhELdZh0/8js217EN8aJnS01gdbvXuM6uaaQNF04O8b8ITDnG:vU1NIb5wN8aRT1glJ
TLSH
T10426A11226D1DFE5C05F61B0EC29B6F8162B9D20DF220FCB6E407F6935B16916931A2F
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/0x000a00000002442e-1.dat	floxif

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/memory/4888-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/files/0x000a00000002442e-1.dat	UPX
behavioral1/memory/4888-11-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

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/0x000a00000002442e-1.dat	acprotect

Loads dropped DLL 5 IoCs

pid	Process
4888	2026-07-08_40c56031ce1a8458ae3146e2ffd09119_akira_amadey_darkgate_elex_floxif_luca-stealer_njrat_remcos_smoke-loader.exe
4644	WerFault.exe
6132	WerFault.exe
4720	WerFault.exe
1220	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4888-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000a00000002442e-1.dat	upx
behavioral1/memory/4888-11-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2026-07-08_40c56031ce1a8458ae3146e2ffd09119_akira_amadey_darkgate_elex_floxif_luca-stealer_njrat_remcos_smoke-loader.exe

Program crash 5 IoCs

pid	pid_target	Process	procid_target
2540	4888	WerFault.exe	85
5060	4888	WerFault.exe	85
4528	4888	WerFault.exe	85
6132	4888	WerFault.exe	85
1220	4888	WerFault.exe	85

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	2026-07-08_40c56031ce1a8458ae3146e2ffd09119_akira_amadey_darkgate_elex_floxif_luca-stealer_njrat_remcos_smoke-loader.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	2026-07-08_40c56031ce1a8458ae3146e2ffd09119_akira_amadey_darkgate_elex_floxif_luca-stealer_njrat_remcos_smoke-loader.exe

C:\Users\Admin\AppData\Local\Temp\2026-07-08_40c56031ce1a8458ae3146e2ffd09119_akira_amadey_darkgate_elex_floxif_luca-stealer_njrat_remcos_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-08_40c56031ce1a8458ae3146e2ffd09119_akira_amadey_darkgate_elex_floxif_luca-stealer_njrat_remcos_smoke-loader.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 288
  2⤵
  - Program crash
  PID:2540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 312
  2⤵
  - Program crash
  PID:5060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 292
  2⤵
  - Program crash
  PID:4528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 320
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:6132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 312
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:1220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4888 -ip 4888
1⤵
PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4888 -ip 4888
1⤵
PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4888 -ip 4888
1⤵
PID:5404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4888 -ip 4888
1⤵
- Loads dropped DLL
PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4888 -ip 4888
1⤵
- Loads dropped DLL
PID:4720

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Privilege Escalation

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

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/4888-3-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4888-11-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4888-9-0x0000000000290000-0x00000000006C1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads