floxif | dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 17:09

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General

Target

dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452N.exe
Size

157KB
MD5

89f5e0e9d2e0eac038b6870540f1e7e0
SHA1

176cda55093165dc8350b347a116823489a51655
SHA256

dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452
SHA512

4dd8026eeb73317be5419c9ac8b580aff5e23cc620d9d6aa0301655e232d45e51ef40ccb0a6caf9a033377a4eb98a6a27d9b9aa99586b8bdffbe2a2863e951ee
SSDEEP

3072:ZPzK1N60+5KZkvuARpvn2lQBV+UdE+rECWp7hKOfwC3Jg:ZPzKH6KZiZBV+UdvrEFp7hKOfZ3Jg

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/0x000b0000000122cf-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b0000000122cf-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1072	dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1072-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b0000000122cf-1.dat	upx
behavioral1/memory/1072-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452N.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	dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1072	dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452N.exe

C:\Users\Admin\AppData\Local\Temp\dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452N.exe
"C:\Users\Admin\AppData\Local\Temp\dc374be55183ff3eb9a5aab42602ef16a79287ad983904cbf466895607532452N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1072

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

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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/1072-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1072-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1072-5-0x0000000001140000-0x0000000001417000-memory.dmp

Filesize
2.8MB

Download