floxif | f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 06:34

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General

Target

f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307.exe
Size

286KB
MD5

7974d487bd3db37ed0a017280475ab9d
SHA1

8e74c4f0ca08ad911bfcb863bf24dfd725a80fe9
SHA256

f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307
SHA512

424cec0c616c940150ce4d7708fe232b87241e3e3515c88782a9f98ab9e93da40c46ccdeeb616032f6c6fb86111709500bd91c39e062203060f740412b48df11
SSDEEP

6144:p7gKNkJY5kHouyXnZhB+h8WHlBV+UdvrEFp7hKHf:p7gKNkJYJuyXnPB+h8WHlBjvrEH72f

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
behavioral1/files/0x00070000000120fe-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00070000000120fe-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1368	f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1368-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x00070000000120fe-1.dat	upx
behavioral1/memory/1368-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307.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	f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307.exe

C:\Users\Admin\AppData\Local\Temp\f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307.exe
"C:\Users\Admin\AppData\Local\Temp\f3d5747872bfc64341d26775768b70b25568b03eea4481c4f9cc2c7d05168307.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1368

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1368-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1368-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1368-5-0x00000000002E0000-0x0000000000317000-memory.dmp

Filesize
220KB

Download