floxif | 16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 17:53

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General

Target

16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c.exe
Size

277KB
MD5

62017c419997ae819cf42fe267142473
SHA1

8261232c87d7481a53b0f7beb1820d9ae7c7ef46
SHA256

16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c
SHA512

4a96a1c9da89570f9c3f57e7e2244685232fbfefad6675d5ef6ec132c28d8d147b3284b624d3fe50b10bac3a18368540b5bfee36be4d1bf25b2891b238786b63
SSDEEP

6144:pAdl/DgkC3dMnB+uCk+BV+UdvrEFp7hKHj:pAdlbgJ+B+uC3BjvrEH7mj

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
behavioral1/files/0x000a00000001225d-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001225d-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3028	16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001225d-1.dat	upx
behavioral1/memory/3028-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3028-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c.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	16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c.exe

C:\Users\Admin\AppData\Local\Temp\16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c.exe
"C:\Users\Admin\AppData\Local\Temp\16c5da96002d54c18dcf6e9b22aa12661068c2e6fc231f9e1028a544de8ea62c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3028

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/3028-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3028-5-0x0000000000CE0000-0x0000000000D14000-memory.dmp

Filesize
208KB

Download
memory/3028-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download