floxif | a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696

Analysis

max time kernel
95s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2024 07:14

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General

Target

a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696.exe
Size

243KB
MD5

3d90046151af032c5aa4075ec51d8990
SHA1

d79f7055c3df0bfec6a29ceba430e63964020ab4
SHA256

a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696
SHA512

c2c6790ac9dba6b1519193b015d606f58d1cd5e5c3308f8f27a0140f44c87283cd397619275b859bffc8a5d470f6080b71c799468571d6b7b9537dcc4f2f99a2
SSDEEP

6144:QBCiP/aK2h9H/B+3ChmBV+UdvrEFp7hKpI:QB/P/aK2vB+yYBjvrEH7N

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

resource	yara_rule
behavioral2/files/0x0008000000023cac-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000023cac-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4804	a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4804-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x0008000000023cac-1.dat	upx
behavioral2/memory/4804-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696.exe

C:\Users\Admin\AppData\Local\Temp\a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696.exe
"C:\Users\Admin\AppData\Local\Temp\a1a00188517e835b8386de7e09b18aa3e5eb584893e4121f4f4eab2f02e47696.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4804

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4804-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4804-5-0x0000000000ED0000-0x0000000000EF9000-memory.dmp

Filesize
164KB

Download
memory/4804-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download