floxif | 0b51efc00bf7f85d324fbd1f5507891d81e0c580e22d0f960571498aecefe2f6

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 13:32

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General

Target

20240904ffa206ea1594d11b3537bfb1f2bb8d60floxifmafia.exe
Size

2.5MB
MD5

ffa206ea1594d11b3537bfb1f2bb8d60
SHA1

da4cf7a2e28b8b33ec4c6aad34bbfbfd05fd379b
SHA256

0b51efc00bf7f85d324fbd1f5507891d81e0c580e22d0f960571498aecefe2f6
SHA512

e8f55f2f1866327ebaddf7703e7eb8d756e5fef21568e578b01847163b864ab5b32f43e51b2df019cf35e707a79f8d15b4ac8a9a247c8739764f0a8b832518f7
SSDEEP

49152:XuIIKpofs2hPd2l177BTK2VbDsar1YDjI:Xjkfs2hPIl1/b

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/0x000b000000012266-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b000000012266-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2908	20240904ffa206ea1594d11b3537bfb1f2bb8d60floxifmafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2908-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b000000012266-1.dat	upx
behavioral1/memory/2908-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	20240904ffa206ea1594d11b3537bfb1f2bb8d60floxifmafia.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	20240904ffa206ea1594d11b3537bfb1f2bb8d60floxifmafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	20240904ffa206ea1594d11b3537bfb1f2bb8d60floxifmafia.exe

C:\Users\Admin\AppData\Local\Temp\20240904ffa206ea1594d11b3537bfb1f2bb8d60floxifmafia.exe
"C:\Users\Admin\AppData\Local\Temp\20240904ffa206ea1594d11b3537bfb1f2bb8d60floxifmafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2908

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/2908-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2908-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2908-5-0x0000000001120000-0x000000000138A000-memory.dmp

Filesize
2.4MB

Download