floxif | 50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 06:51

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General

Target

50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b.exe
Size

286KB
MD5

5826a518dc145814400e6d3274b174cd
SHA1

8415bee574b2b212b0e395cec162e867b00e2e8c
SHA256

50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b
SHA512

cc572a4ea35fc7dd18e9072ebdbea97d89a0f65b57d1ba7f65dfe3cb7b4711a28bca9c732ff0b4a5adfc7d32d1895a6896c555e16dba2b4d81d66859e9029714
SSDEEP

6144:i7gKNkhSR/1/kHouyXnZhB+h8WHUBV+UdvrEFp7hKwu:i7gKNkhm/1zuyXnPB+h8WHUBjvrEH7/u

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/0x000b000000012245-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b000000012245-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1804	50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1804-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b000000012245-1.dat	upx
behavioral1/memory/1804-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b.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	50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b.exe

C:\Users\Admin\AppData\Local\Temp\50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b.exe
"C:\Users\Admin\AppData\Local\Temp\50cfb1fd9e191561f6ce112c942c08b66899ed3f8e8fa4889c293e9176bf6b2b.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1804

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/1804-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1804-5-0x0000000000EA0000-0x0000000000ED7000-memory.dmp

Filesize
220KB

Download
memory/1804-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download