floxif | 95454ed701c924a13e0e9e1384f8871100441359147f50158ca5cfeb5f8faa68

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21/07/2024, 13:49

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General

Target

95454ed701c924a13e0e9e1384f8871100441359147f50158ca5cfeb5f8faa68.exe
Size

286KB
MD5

7e2446a9868e1c2d6986fcf11cbb6890
SHA1

dfc0e8dfa6d8cc2c86479c117d56f52ee529c08f
SHA256

95454ed701c924a13e0e9e1384f8871100441359147f50158ca5cfeb5f8faa68
SHA512

3b87c2852fe20e49e370f8e692ee5db842744d61fb1d3f605087aed74686dbd428625b6806e1c701f49248fc1776e35d631aeccf3a00b7f247150056d76622d4
SSDEEP

6144:t2pR/5kHouyXnZhB+R8WHqBV+UdvrEFp7hKX:t2X/JuyXnPB+R8WHqBjvrEH7c

Score

10^/10

floxif backdoor persistence privilege_escalation 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/0x0009000000023415-1.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
behavioral2/files/0x0009000000023415-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3436	95454ed701c924a13e0e9e1384f8871100441359147f50158ca5cfeb5f8faa68.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023415-1.dat	upx
behavioral2/memory/3436-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3436-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	95454ed701c924a13e0e9e1384f8871100441359147f50158ca5cfeb5f8faa68.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3436	95454ed701c924a13e0e9e1384f8871100441359147f50158ca5cfeb5f8faa68.exe

C:\Users\Admin\AppData\Local\Temp\95454ed701c924a13e0e9e1384f8871100441359147f50158ca5cfeb5f8faa68.exe
"C:\Users\Admin\AppData\Local\Temp\95454ed701c924a13e0e9e1384f8871100441359147f50158ca5cfeb5f8faa68.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:3436

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

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/3436-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3436-5-0x0000000000180000-0x00000000001B7000-memory.dmp

Filesize
220KB

Download
memory/3436-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download