floxif | 0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/01/2025, 20:51

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General

Target

0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484N.exe
Size

1.7MB
MD5

70ec1ce2bdfb6ac0eef3ca044d156a70
SHA1

8ecc2c2d8a2374cf87c313e89c21ee311e680042
SHA256

0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484
SHA512

f3fb13ddc454b1fc6af93c305b069eebc98297109a621007b9c97dc6f6c090544ed6700071b1dbe05c9464e8a6350a7b663f5a73711d3c557e8106624bcbac9e
SSDEEP

24576:s8tVz9fs3KmTpjNs7+tXBAcA7g/9hlOGO3fAAnZEyaRg93OH099e6fZ1qRlRIrED:DtVz9fKjNs69BJidaRg8U7B1qRlRv

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/0x00080000000120ff-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000120ff-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2376	0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2376-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x00080000000120ff-1.dat	upx
behavioral1/memory/2376-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484N.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	0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484N.exe

C:\Users\Admin\AppData\Local\Temp\0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484N.exe
"C:\Users\Admin\AppData\Local\Temp\0634d449d1ff2d0afaf787fd221336695600250802da9aba7ac9979372986484N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2376

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/2376-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-5-0x0000000000D80000-0x0000000000F1E000-memory.dmp

Filesize
1.6MB

Download