floxif | 7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 12:41

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General

Target

7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469.exe
Size

943KB
MD5

dc48aead5e3cbf003701e613f2f363a8
SHA1

3f357ec931e24ee9afbfd5b8745b8a290ed3d3f8
SHA256

7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469
SHA512

a32068b9bfe96c5b0352652bcac8de0b7a3302e4b246f904826e4f9b30d106b9111e977abc57a7e639d9073cb68a1da0eadb1cac66096d60069ec79e9d5d983a
SSDEEP

24576:5Oo5yT/tMbHWc8eC9TqOUk12+lm/HIpUqpq6VlFo1UkrEH79:5OowTKbHqlcBInprDGC

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
behavioral2/files/0x000a000000023c64-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023c64-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4836	7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4836-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000a000000023c64-1.dat	upx
behavioral2/memory/4836-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469.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	7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4836	7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469.exe

C:\Users\Admin\AppData\Local\Temp\7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469.exe
"C:\Users\Admin\AppData\Local\Temp\7d4579f2cd3a6fb728ecf4ef810f9fe20383bd23896e6017a17f5628f92b3469.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4836

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/4836-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4836-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4836-5-0x0000000000690000-0x0000000000770000-memory.dmp

Filesize
896KB

Download