floxif | a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/01/2025, 06:47

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General

Target

a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82.exe
Size

250KB
MD5

0f25e3f6a2de630415f0af6859900727
SHA1

64dafca69275b1751c228b004324dfbe5d5a2bbe
SHA256

a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82
SHA512

ef408e762ce13a0d0f44a704b1fe5d17a9ebce78f881672f26a386be2ffca56432ac602ca5d07eb5874b72d07c72211605bd005e06f0434f0c824efe16ae3b95
SSDEEP

6144:SogQ04eteE4UqqD/9mAODjABV+UdvrEFp7hKN:So304eME4xqr9rBjvrEH7e

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
behavioral1/files/0x000a000000012033-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a000000012033-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2164	a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000012033-1.dat	upx
behavioral1/memory/2164-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2164-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82.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	a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82.exe

C:\Users\Admin\AppData\Local\Temp\a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82.exe
"C:\Users\Admin\AppData\Local\Temp\a3afa4984fa05be01c72c16a89779ece49dfe2f8c7ca86440b57dfa655f87b82.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2164

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

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Downloads

\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2164-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2164-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2164-8-0x00000000013A0000-0x00000000013D1000-memory.dmp

Filesize
196KB

Download