floxif | 9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46

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
13/09/2024, 19:28

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General

Target

9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46.exe
Size

277KB
MD5

b46083d23c6bf6335e300dd7f0016ee6
SHA1

b3d0aae24d0bb6df6a72b1627836c847f15eb895
SHA256

9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46
SHA512

19d3380a57ee813f1ec5d6669caec502807357c1dffafe74eef3e170129b4faa9bd5369086dcb3c17262aee3dd0fd9ff535bf7be96d9f7e021c48694f5dd14fe
SSDEEP

6144:wmAsl/DRfkTC3dM7B+mCGBV+UdvrEFp7hKHb:wmAslbRfky6B+mCGBjvrEH7ob

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
behavioral1/files/0x000b0000000122cf-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b0000000122cf-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2524	9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b0000000122cf-1.dat	upx
behavioral1/memory/2524-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2524-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46.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	9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46.exe

C:\Users\Admin\AppData\Local\Temp\9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46.exe
"C:\Users\Admin\AppData\Local\Temp\9434e641b15d842c23d5842ce40331f34834d6589527c735309d0da4eddf2a46.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2524

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/2524-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2524-5-0x0000000000380000-0x00000000003B5000-memory.dmp

Filesize
212KB

Download
memory/2524-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download