floxif | 0ab93efe9b92164a8894465c071b16b63764f96dba63e81826219d8c91dd8f43

General

Target
2026-08-09_2350ad42baf3592d62a60400e0fb8cbb_amadey_coinminer_elex_floxif_glassworm_hijackloader_ligh.exe
Size 2.8MB
Sample260809-hs2q9asgpb
SHA256 0ab93efe9b92164a8894465c071b16b63764f96dba63e81826219d8c91dd8f43
MD5 2350ad42baf3592d62a60400e0fb8cbb
SHA1 b0828477e52b6566b92d2ce25f635faf22a8bb63
SHA512 746302504fa50a8e0765881b2af8581eba1f0643c13dcf5f790fe6f5b811b66182a2375b6668b60c509287b330c0c8a66886d718cb607ed7e0bb9d6ca541d725
SSDEEP 49152:EcV7m09B8XUzs4MgGsIMYVExSi+P+Ez68ToDhdK0HkEU1X1Y4S:EcV7NqRMyEXJtll
TLSH
T1C4D5BE03FBC280E1E8F2217925BB577E8D7D6924972485D39B912C6DBC311C1A63E3B9
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
behavioral2/files/0x0009000000016b47-1.dat	floxif

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/files/0x0009000000016b47-1.dat	UPX
behavioral2/memory/3900-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/3900-10-0x0000000010000000-0x0000000010030000-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
behavioral2/files/0x0009000000016b47-1.dat	acprotect

Loads dropped DLL 3 IoCs

pid	Process
3900	2026-08-09_2350ad42baf3592d62a60400e0fb8cbb_amadey_coinminer_elex_floxif_glassworm_hijackloader_ligh.exe
4316	WerFault.exe
3592	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000016b47-1.dat	upx
behavioral2/memory/3900-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3900-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2026-08-09_2350ad42baf3592d62a60400e0fb8cbb_amadey_coinminer_elex_floxif_glassworm_hijackloader_ligh.exe

Program crash 4 IoCs

pid	pid_target	Process	procid_target
636	3900	WerFault.exe	88
472	3900	WerFault.exe	88
3872	3900	WerFault.exe	88
3592	3900	WerFault.exe	88

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	2026-08-09_2350ad42baf3592d62a60400e0fb8cbb_amadey_coinminer_elex_floxif_glassworm_hijackloader_ligh.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3900	2026-08-09_2350ad42baf3592d62a60400e0fb8cbb_amadey_coinminer_elex_floxif_glassworm_hijackloader_ligh.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-09_2350ad42baf3592d62a60400e0fb8cbb_amadey_coinminer_elex_floxif_glassworm_hijackloader_ligh.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_2350ad42baf3592d62a60400e0fb8cbb_amadey_coinminer_elex_floxif_glassworm_hijackloader_ligh.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 436
  2⤵
  - Program crash
  PID:636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 436
  2⤵
  - Program crash
  PID:472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 456
  2⤵
  - Program crash
  PID:3872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 184
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3900 -ip 3900
1⤵
PID:5380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3900 -ip 3900
1⤵
PID:1248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 3900 -ip 3900
1⤵
PID:2548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3900 -ip 3900
1⤵
- Loads dropped DLL
PID:4316

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/3900-4-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/3900-6-0x0000000000A51000-0x0000000000A52000-memory.dmp

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memory/3900-10-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/3900-9-0x0000000000A50000-0x0000000000D01000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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