floxif | cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49a

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-11-2024 17:57

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General

Target

cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe
Size

988KB
MD5

7bafeed79bd78d2ae2f0c66f8bbbc180
SHA1

6d9524219f3d985cc67f129f9dad0604d07f4ddc
SHA256

cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49a
SHA512

bdd4e21188a9c46204e06e8f305df1c21c0316d72d9fa53c308957df212be165d5ccf3136a6d3c4ca3630b4c37f33f199260f9499774e9f473449ba4d7755d08
SSDEEP

24576:KL36VBIl7dRmYM2whmmp0CEohfZWtoQHvAYnPs7oIUSrEH7t:KzTRmY2NZjYnPs7oP/

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

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	acprotect

Loads dropped DLL 1 IoCs

Processes:

cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

pid process

2580 cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

pid	process
2580	cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	upx
behavioral1/memory/2580-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2580-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

description	ioc	process
File created	C:\Program Files\Common Files\System\symsrv.dll	cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.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

Processes:

cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

description pid process

Token: SeDebugPrivilege 2580 cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

description	pid	process
Token: SeDebugPrivilege	2580	cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe

C:\Users\Admin\AppData\Local\Temp\cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe
"C:\Users\Admin\AppData\Local\Temp\cabe074c49b34398928c55ceab56d4b558e6e47d01e57018df8f4d6bc06bc49aN.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2580

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/2580-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2580-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2580-5-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download