floxif | 1039022336b22aa0e3166393d9f0ae81e5c54be067c0c96edea8497dda9d3778

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 22:23

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General

Target

2024-12-11_f78ad6bfc87dba49fb7e175c4d5d0bdd_floxif_mafia.exe
Size

1.7MB
MD5

f78ad6bfc87dba49fb7e175c4d5d0bdd
SHA1

2b1df30b09bba1a96b783b7c4fb74d215ebd68a6
SHA256

1039022336b22aa0e3166393d9f0ae81e5c54be067c0c96edea8497dda9d3778
SHA512

a87ae2e4662504586fb7d9ccb0f793ad4ab502b0da1340accdc83e599c22f088709ce464b71e9b421c58afd3c40e765df2c52c10e960fcd6a6ab294410da90db
SSDEEP

49152:zFxcFAPKUjIYAv09gxyhCubLLLn8r2DTLTqsRFcuA:HgWjhCcni2DS

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/0x000c000000023bc6-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023bc6-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4016	2024-12-11_f78ad6bfc87dba49fb7e175c4d5d0bdd_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023bc6-1.dat	upx
behavioral2/memory/4016-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4016-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-11_f78ad6bfc87dba49fb7e175c4d5d0bdd_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	2024-12-11_f78ad6bfc87dba49fb7e175c4d5d0bdd_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	2024-12-11_f78ad6bfc87dba49fb7e175c4d5d0bdd_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-11_f78ad6bfc87dba49fb7e175c4d5d0bdd_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_f78ad6bfc87dba49fb7e175c4d5d0bdd_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4016

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/4016-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4016-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4016-6-0x0000000000350000-0x00000000004F2000-memory.dmp

Filesize
1.6MB

Download