floxif | 895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2

Analysis

max time kernel
93s
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
11-12-2024 19:09

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General

Target

895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2.exe
Size

943KB
MD5

7971b7ac251e21fafb6fe9d9291a24fd
SHA1

a1333972aa083c61e95b36be35137f5b58ed3179
SHA256

895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2
SHA512

21ecc719825075f2ef822c3e12839bfe382f399eedfb6d1e5ff40af669615729700919942231ba1782abf4620808c891c5ebbac7659a167a2cd4f1e060e9a027
SSDEEP

24576:KOo5yT/tMbHWc8eC9TqOUk1Ylm/HIpUqpl1kVlFo1UUsTrEH7MM:KOowTKbHqlVInp/kDGhsDM

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/0x000c000000023b8c-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b8c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
864	895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b8c-1.dat	upx
behavioral2/memory/864-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/864-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2.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	895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	864	895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2.exe

C:\Users\Admin\AppData\Local\Temp\895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2.exe
"C:\Users\Admin\AppData\Local\Temp\895c99d168ee2c9ef949d2e7c0b5a3da8b8411deba85fc1f9a6b478688b831c2.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:864

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/864-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/864-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/864-5-0x0000000000D50000-0x0000000000E30000-memory.dmp

Filesize
896KB

Download