floxif | 062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e

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
31-12-2024 19:27

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General

Target

062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e.exe
Size

287KB
MD5

0c18d94c17865cf33ec3a99ade0e339a
SHA1

3a335454b0155a1c5b40a2518cd0f9e63a58961d
SHA256

062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e
SHA512

71ec4074bb30e8be5450143e034a2083e24a64ca2c6ed272847876169bc5b71989759812689397589ebe4dd1c4d0d27c15158471dd72ee399ff9b63088321d06
SSDEEP

6144:LnzTuN9afTJ1kHnuyXTZBB+R8WpMBV+UdvrEFp7hKmXI:LnzTuN9abJauyXTvB+R8WiBjvrEH7FI

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/0x0007000000012117-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000012117-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2420	062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2420-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x0007000000012117-1.dat	upx
behavioral1/memory/2420-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e.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	062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e.exe

C:\Users\Admin\AppData\Local\Temp\062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e.exe
"C:\Users\Admin\AppData\Local\Temp\062f9ff6fbb8a66c99a1da141bf15e4cd02f5e836bb1216072d2b2e3d4c7953e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2420

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/2420-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2420-5-0x0000000000FE0000-0x0000000001017000-memory.dmp

Filesize
220KB

Download
memory/2420-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download