floxif | dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345

Analysis

max time kernel
92s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 15:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe
Size

319KB
MD5

6f175ba8bba8de2e5b6df488264a2340
SHA1

cb043da7aa421938fd8446bcc0cb7a1d71ac5221
SHA256

dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345
SHA512

ec7083d4695a6e806f914c29f21b71d67e67721d6f4c3b9cacd002082d3e781ee8fc00b11bfdf2dcafc3d941d70f4841d8ed1e498d1d997d619edfe7a9d5e629
SSDEEP

6144:Y1UXeRTFz01BZpU+simBV+UdvrEFp7hKK1DYzR:Y1fRT21npU+yBjvrEH7nAR

Score

10^/10

floxif backdoor discovery persistence privilege_escalation 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/0x000b00000001226a-1.dat	floxif

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b00000001226a-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
2484	dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe
1800	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2484-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b00000001226a-1.dat	upx
behavioral1/memory/2484-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1800	2484	WerFault.exe	30

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	dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1800	2484	dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe	31
PID 2484 wrote to memory of 1800	2484	dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe	31
PID 2484 wrote to memory of 1800	2484	dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe	31
PID 2484 wrote to memory of 1800	2484	dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe	31

C:\Users\Admin\AppData\Local\Temp\dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe
"C:\Users\Admin\AppData\Local\Temp\dbec480c5ecbd655f964a850fffa996ac2dc0c62640736f2a7a4d3c1f2575345N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 268
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:1800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2484-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2484-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2484-6-0x0000000001140000-0x0000000001315000-memory.dmp

Filesize
1.8MB

Download