floxif | ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 07:12

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General

Target

ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76.exe
Size

286KB
MD5

035bdbd4bb763aa1108dd6c13c060f34
SHA1

a2250a41a309af56e3fdf0e3074054def27e3975
SHA256

ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76
SHA512

3b52b5919084b5508bb9149e5f086962c534a6a92ae40e722e42c2dc4b86cfd9aac7a6d62ac9542d2a87d68d56967f948ffc8cc4e2e394ae11b6fe3692440571
SSDEEP

6144:oF7gKNkhSR/5kHouyXnZhB+h8WHlBV+UdvrEFp7hKaw:oF7gKNkhm/JuyXnPB+h8WHlBjvrEH7k

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/0x00090000000233c8-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000233c8-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1456	ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000233c8-1.dat	upx
behavioral2/memory/1456-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1456-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76.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	ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1456	ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76.exe

C:\Users\Admin\AppData\Local\Temp\ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76.exe
"C:\Users\Admin\AppData\Local\Temp\ca2701d72c1a5fa210648dc72c1cc9f43d468957401f7dcf5b3cd17b81c31c76.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1456

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/1456-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1456-5-0x0000000000F50000-0x0000000000F87000-memory.dmp

Filesize
220KB

Download
memory/1456-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download