floxif | 1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 18:29

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General

Target

1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469.exe
Size

286KB
MD5

a6ca60c105bb51dc701bfa488cc4ae82
SHA1

79b92ca68d13583bc8231f6a1bf91d13053d7c46
SHA256

1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469
SHA512

1b3fe22ffaf0028b67e6e27505b46c26968a392e3a0d68914db46ae8f875003a9943b18ab9d83e94e95d96b36e9539332f6ad758d3c811147950a46dacccf19a
SSDEEP

6144:rKgKNkhSR/5kHouyXnZhB+h8WHlBV+UdvrEFp7hKUWTUa:rKgKNkhm/JuyXnPB+h8WHlBjvrEH7gUa

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/0x000c0000000122e0-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c0000000122e0-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2332	1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000122e0-1.dat	upx
behavioral1/memory/2332-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2332-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469.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	1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2332	1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469.exe

C:\Users\Admin\AppData\Local\Temp\1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469.exe
"C:\Users\Admin\AppData\Local\Temp\1378cc9b358aec7ba57cfadc1dc13e2fcde7d429639f656ef827bbc928e4f469.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2332

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/2332-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2332-5-0x0000000000ED0000-0x0000000000F07000-memory.dmp

Filesize
220KB

Download
memory/2332-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download