858ff0e6cd73fb2fc697e98f99ad5f9bd4de08a2a66f9a8b96267e169ecfc381

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 07:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

MICROFTP/MicroFTP.exe
Size

96KB
MD5

dd6d2d8064d924f16b3ce31f1dac46f4
SHA1

4d8d657ac201b4e44058a4c8c3d95fdb897524d8
SHA256

5fd136aa803a1a64a0d5c946494c918fd96e1b20fed8306c1f65a1f07514daa9
SHA512

0db12e18d13395d900fdb72b75a7d116dd2b44d27fca74249f71219d9ad3e9a4c96e98e956887054f2d1186dc9840abe81561f6597988ebdf8660d42aab78ba6
SSDEEP

1536:+fHUvXSOu8vXTinMMdGinuzSykCxLXzDi9jKQIcAGienouy8J9dc9np:+f+SOumjiDnkLkCNjX3moutPMp

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral17/memory/2176-0-0x0000000000400000-0x00000000007DD000-memory.dmp	upx
behavioral17/memory/2176-6-0x0000000000400000-0x00000000007DD000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	MicroFTP.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mfx\ = "mfxfile"	MicroFTP.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mfxfile\ = "MicroFTP 2000 Account Export File"	MicroFTP.exe
Key created	\REGISTRY\MACHINE\Software\Classes\mfxfile\DefaultIcon	MicroFTP.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.mfx\ = "mfxfile"	MicroFTP.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mfxfile\DefaultIcon	MicroFTP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mfx	MicroFTP.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.mfx	MicroFTP.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mfxfile	MicroFTP.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mfxfile\DefaultIcon\ = "c:\\users\\admin\\appdata\\local\\temp\\microftp\\microftp.exe,2"	MicroFTP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mfxfile\DefaultIcon	MicroFTP.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mfxfile\DefaultIcon\ = "c:\\users\\admin\\appdata\\local\\temp\\microftp\\microftp.exe,2"	MicroFTP.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.mfx	MicroFTP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mfxfile	MicroFTP.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mfxfile\ = "MicroFTP 2000 Account Export File"	MicroFTP.exe
Key created	\REGISTRY\MACHINE\Software\Classes\mfxfile	MicroFTP.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2176	MicroFTP.exe
2176	MicroFTP.exe
2176	MicroFTP.exe
2176	MicroFTP.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2176	MicroFTP.exe
2176	MicroFTP.exe
2176	MicroFTP.exe
2176	MicroFTP.exe

C:\Users\Admin\AppData\Local\Temp\MICROFTP\MicroFTP.exe
"C:\Users\Admin\AppData\Local\Temp\MICROFTP\MicroFTP.exe"
1⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2176-0-0x0000000000400000-0x00000000007DD000-memory.dmp

Filesize
3.9MB

Download
memory/2176-3-0x00000000009B0000-0x00000000009C0000-memory.dmp

Filesize
64KB

Download
memory/2176-6-0x0000000000400000-0x00000000007DD000-memory.dmp

Filesize
3.9MB

Download
memory/2176-8-0x00000000009B0000-0x00000000009C0000-memory.dmp

Filesize
64KB

Download
memory/2176-10-0x00000000009B0000-0x00000000009C0000-memory.dmp

Filesize
64KB

Download