floxif | 274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 22:09

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General

Target

274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955.exe
Size

277KB
MD5

5173965de89aa06768f4fdc2ed7df89b
SHA1

eae2dbad7e897a0c7328d8c86d76f35752d4c59d
SHA256

274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955
SHA512

2a03ba756be53e3f34af035eb582db04b4d97d462c0b98a17a2bc724a248936ed7ad6711f841bacc46073be116794d9421f4ad9009105c8a3553573ee6403550
SSDEEP

6144:LLl/DRfkTC3dM7B+mCivBV+UdvrEFp7hK27:LLlbRfky6B+mCABjvrEH7R

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/0x00090000000120f9-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00090000000120f9-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1500	274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00090000000120f9-1.dat	upx
behavioral1/memory/1500-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1500-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955.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	274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955.exe

C:\Users\Admin\AppData\Local\Temp\274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955.exe
"C:\Users\Admin\AppData\Local\Temp\274b64ea494c50f75ca7a90e536a8bffb414f9bf552d93959ad06bda65621955.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1500

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/1500-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1500-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1500-5-0x0000000000120000-0x0000000000155000-memory.dmp

Filesize
212KB

Download