APT_TA18_149A_Joanap_Sample2

rule APT_TA18_149A_Joanap_Sample2 {
   meta:
      description = "Detects malware from TA18-149A report by US-CERT"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://www.us-cert.gov/ncas/alerts/TA18-149A"
      date = "2018-05-30"
      hash1 = "077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885"
      id = "9f4e6e6c-ee2b-5fa3-bf85-5a1652b38c52"
   strings:
      $s1 = "%SystemRoot%\\system32\\svchost.exe -k Wmmvsvc" fullword ascii
      $s2 = "%SystemRoot%\\system32\\svchost.exe -k SCardPrv" fullword ascii
      $s3 = "%SystemRoot%\\system32\\Wmmvsvc.dll" fullword ascii
      $s4 = "%SystemRoot%\\system32\\scardprv.dll" fullword ascii
   condition:
      uint16(0) == 0x5a4d and filesize < 600KB and (
         pe.imphash() == "e8cd12071a8e823ebc434c8ee3e23203" or
         2 of them
      )
}