floxif | 5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-01-2025 06:55

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General

Target

5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1.exe
Size

234KB
MD5

711abcaed94c099b240b9c39c9b678a7
SHA1

154e1ca8ca5fbe37043eebe2442d03d4b17ac104
SHA256

5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1
SHA512

02193eb851787896157af1d48446d78f9b80157ef2828675dc8b575d21de1acfb9a181b128efeedaf756af04ea3e0cf775b9e3820f8def9cd22a07ad5b3cc152
SSDEEP

3072:/wzvOYNV5epd/DvbEvK9aobNI2B+Il4DLWr0Cl2f1DuF9Qttsi9sCiNNB6X/Fmqx:IVYplh9H/B+buBV+UdvrEFp7hKK

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/0x000e000000012275-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000e000000012275-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2804	5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000e000000012275-1.dat	upx
behavioral1/memory/2804-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2804-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1.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	5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1.exe

C:\Users\Admin\AppData\Local\Temp\5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1.exe
"C:\Users\Admin\AppData\Local\Temp\5280344e0e9dc4068b12a6b44839028148d8f4f277eafde8cd8fa265ba9f13e1.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2804

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/2804-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2804-5-0x0000000000340000-0x0000000000369000-memory.dmp

Filesize
164KB

Download
memory/2804-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download