floxif | de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 15:31

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General

Target

de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.exe
Size

535KB
MD5

bb89aaf78b720e6ec108ebcbbdb267c8
SHA1

8a04d0d7111de3339a7a46394f6ad647623fcac4
SHA256

de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87
SHA512

053480bbdb39cf5ca39b2e18df0cbc56e3b7f679ef64d0d58febbed3db13430e0ef5abf58aa459b316f6ba126dd6bf22c4438e2c4b2389e2158a58506759c140
SSDEEP

12288:Y3UiP61nnQKTVNx3lqHWhK0+SbmUICEoBjvrEH7g:WP61Q0Nx3cHWhK0xmZC5rEH7g

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
behavioral2/files/0x000c000000023b54-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b54-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2520	de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b54-1.dat	upx
behavioral2/memory/2520-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2520-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.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	de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.exe
2520	de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.exe

C:\Users\Admin\AppData\Local\Temp\de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.exe
"C:\Users\Admin\AppData\Local\Temp\de47dacba990483703f2b8c0d99601885861c5a0a7491d7d26680e17fdde7a87.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2520

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2520-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2520-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2520-6-0x0000000000B20000-0x0000000000B93000-memory.dmp

Filesize
460KB

Download