floxif | 4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 12:28

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General

Target

4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3N.exe
Size

346KB
MD5

9a25f96c922a5a2e7c0a2663f2f19080
SHA1

84fd01414eb0c98ff702a794b349fc22165db52c
SHA256

4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3
SHA512

aa018873b4650e210615c10a74375accdb20470ac860f2fc6f07bd7901ba129997814a7880ddd3370390ed83f94a98fcaf212a47f02fe14bb1844c34b7925c84
SSDEEP

6144:JRj+Q5e4JL2zPnEJEYQ7+hufF+DpkMVUlCB6om+BV+UdvrEFp7hKf6w:F5dL2jnQE9QiMDpkMVUlCBrBjvrEH7il

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/0x000c000000012262-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c000000012262-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2044	4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c000000012262-1.dat	upx
behavioral1/memory/2044-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2044-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3N.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	4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3N.exe

C:\Users\Admin\AppData\Local\Temp\4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3N.exe
"C:\Users\Admin\AppData\Local\Temp\4f148802cd9d728e1bbe432be56c47a1aed3151669ebdfdcedb4d8ecf0b780a3N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2044

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2044-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2044-9-0x0000000000A90000-0x0000000000AD8000-memory.dmp

Filesize
288KB

Download
memory/2044-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2044-6-0x0000000000A90000-0x0000000000AD8000-memory.dmp

Filesize
288KB

Download