floxif | 9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 19:38

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General

Target

9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9.exe
Size

277KB
MD5

720673ec6bd33c7f9b0687ee5d998d25
SHA1

18d679e47d94724ed9413cb59e0132d02efc19f6
SHA256

9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9
SHA512

a455a9a4f17807c537cfc0f66df1a0c052eabb7efc9121728fee9f4e49f1a19fe624951da6e6ed9af9c8a80182e0fe2ddc3a9fa4d9928da53e29af78f0852f5c
SSDEEP

6144:a6l/DRfkTC3dM7B+mCGBV+UdvrEFp7hKOB:a6lbRfky6B+mCGBjvrEH7R

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/0x0063000000011c27-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0063000000011c27-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1688	9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0063000000011c27-1.dat	upx
behavioral1/memory/1688-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1688-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9.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	9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9.exe

C:\Users\Admin\AppData\Local\Temp\9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9.exe
"C:\Users\Admin\AppData\Local\Temp\9d65014399e082345161f274c22328e7255bc573f9502809b1e72c544ffd9be9.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1688

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/1688-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1688-5-0x0000000000B00000-0x0000000000B35000-memory.dmp

Filesize
212KB

Download
memory/1688-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download