floxif | 86d9192422986f30c6bc30bdbd101a66d70d7bff9ba463c6e414169951484e36

Analysis

max time kernel
95s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 04:54

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General

Target

e8f53055c1c7843736a40ebf52939100N.exe
Size

1.0MB
MD5

e8f53055c1c7843736a40ebf52939100
SHA1

99e2c3978e01c0c5e313b8e510756c3d61be60fc
SHA256

86d9192422986f30c6bc30bdbd101a66d70d7bff9ba463c6e414169951484e36
SHA512

5dce4d009e5eb4705b6f117f58a0344b081b366dd72bd3b1a70df8869905cab336d0140709822943454c76bad29ddf2c11ad2aa7f774c7f579904dc7629feb9d
SSDEEP

24576:oRvJkcoQricOIQxiwY1ia8zwyvwrI9DMrEH7b:YJZoQrbTFwY1ia8zJe2Dn

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
behavioral2/files/0x00090000000234ab-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000234ab-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4636	e8f53055c1c7843736a40ebf52939100N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000234ab-1.dat	upx
behavioral2/memory/4636-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4636-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	e8f53055c1c7843736a40ebf52939100N.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	e8f53055c1c7843736a40ebf52939100N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4636	e8f53055c1c7843736a40ebf52939100N.exe

C:\Users\Admin\AppData\Local\Temp\e8f53055c1c7843736a40ebf52939100N.exe
"C:\Users\Admin\AppData\Local\Temp\e8f53055c1c7843736a40ebf52939100N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/4636-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4636-9-0x000000000045F000-0x0000000000462000-memory.dmp

Filesize
12KB

Download
memory/4636-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download