floxif | 0069477779574a956471ca15a122d8338d5607477461cfbc11d5fe5112f918e1

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19/07/2024, 13:55

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General

Target

0069477779574a956471ca15a122d8338d5607477461cfbc11d5fe5112f918e1.exe
Size

286KB
MD5

94e22595295854db67d3325e232d3521
SHA1

44437f652a25f17be8a592ed20a7879859b6b2d1
SHA256

0069477779574a956471ca15a122d8338d5607477461cfbc11d5fe5112f918e1
SHA512

12215c36407525ba2019502c148059dc88a891ef937c6f8f2f5337311e6ba06be7523ebea7b6add9d41dc981783fad5ae73d019a8f7f058c51944b233d3a4486
SSDEEP

6144:o3wNkhSR/5kHouyXnZhB+h8WHUBV+UdvrEFp7hKSU7:o3wNkhm/JuyXnPB+h8WHUBjvrEH79U7

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
behavioral1/files/0x00090000000120fa-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/0x00090000000120fa-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2108	0069477779574a956471ca15a122d8338d5607477461cfbc11d5fe5112f918e1.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00090000000120fa-1.dat	upx
behavioral1/memory/2108-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2108-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	0069477779574a956471ca15a122d8338d5607477461cfbc11d5fe5112f918e1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	0069477779574a956471ca15a122d8338d5607477461cfbc11d5fe5112f918e1.exe

C:\Users\Admin\AppData\Local\Temp\0069477779574a956471ca15a122d8338d5607477461cfbc11d5fe5112f918e1.exe
"C:\Users\Admin\AppData\Local\Temp\0069477779574a956471ca15a122d8338d5607477461cfbc11d5fe5112f918e1.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:2108

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2108-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2108-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2108-5-0x0000000001350000-0x0000000001387000-memory.dmp

Filesize
220KB

Download