floxif | de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 03:57

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General

Target

de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c.exe
Size

136KB
MD5

dc3efb99cc48632f5f59d2abfe271030
SHA1

63721007c713a3cc1d145a7a25bc2efcb9401e9d
SHA256

de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c
SHA512

fdb4d44fa28b9d8f9b4438a0feca37911e4599c8515e133e3db9523e752438bc57266b44085bff2ef31232f51acfeb173fe692bed908654460c1a80280cd090c
SSDEEP

3072:6lNu+Swzp3Jd/dhwTp2lQBV+UdE+rECWp7hK7zj:KNu+SAWBV+UdvrEFp7hK7zj

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/0x000a0000000122d0-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a0000000122d0-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2284	de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2284-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000a0000000122d0-1.dat	upx
behavioral1/memory/2284-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c.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	de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c.exe

C:\Users\Admin\AppData\Local\Temp\de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c.exe
"C:\Users\Admin\AppData\Local\Temp\de9f6000012798728c12d2be20cef4d3ba44fb2e45419ee04f74093759b4488c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2284

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/2284-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2284-5-0x00000000000C0000-0x00000000000D2000-memory.dmp

Filesize
72KB

Download
memory/2284-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download