floxif | 99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92

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
21-01-2025 04:41

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General

Target

99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92.exe
Size

287KB
MD5

fbc2618759b1aae0422066e5e5bdb926
SHA1

2e359447bab2f4c20ea7862b96fb9398aaa00508
SHA256

99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92
SHA512

770c83f0f195eee4e40e4edbd050a248e804aa64c13cd9a8db6c64f8e8b53017b9418dab16d94a6203a5b6350f6f0a0d00c653d9c705e16abad613741e001b0f
SSDEEP

6144:7zTuN9afTLckHnuyXTZBB+R8WpMBV+UdvrEFp7hKfF:7zTuN9abL5uyXTvB+R8WiBjvrEH7sF

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/0x000b00000001225a-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b00000001225a-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2308	99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b00000001225a-1.dat	upx
behavioral1/memory/2308-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92.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	99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92.exe

C:\Users\Admin\AppData\Local\Temp\99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92.exe
"C:\Users\Admin\AppData\Local\Temp\99774afb1b8cca9d0d3e75d4d1b3b103424bd243f530227b083e82c204ddda92.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2308

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/2308-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2308-5-0x00000000002A0000-0x00000000002D7000-memory.dmp

Filesize
220KB

Download
memory/2308-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download