floxif | dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804

Analysis

max time kernel
129s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 06:22

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General

Target

dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804.exe
Size

730KB
MD5

4db4d939b49c1eeddefbc66ed082e750
SHA1

c1c55f5d2bd1d5e0ad0c31923accf3b0219c1dee
SHA256

dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804
SHA512

3ad06dc02267e0980269dd81cee422f1a293ea0d6d5fa21bc478ba259742cecd01749926db5f9710d67bcb06366b54c168287468a5b5bc63001aaa6a843fa775
SSDEEP

12288:BlQ9IP2EyZz77XC1eVr1ltXifnTfExyR053XTjsXZ6M6CNvHnRgF8+3ZxBjvrEHc:BlQiPI7LCeV5LXi7f4yu3XfyZ6M6m5gP

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

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/0x000900000002345e-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000900000002345e-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
5196	dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5196-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000900000002345e-1.dat	upx
behavioral2/memory/5196-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804.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	dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5196	dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804.exe

C:\Users\Admin\AppData\Local\Temp\dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804.exe
"C:\Users\Admin\AppData\Local\Temp\dfeaf35243d8c72fccfec4387b06ef9f91b832834505814ff8d59b7d62781804.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5196

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/5196-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/5196-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/5196-6-0x0000000000400000-0x00000000007AA000-memory.dmp

Filesize
3.7MB

Download