APT_Lazarus_Aug18_1

Description

Detects Lazarus Group Malware

Query · yara

strings:
      $s1 = "mws2_32.dll" fullword wide
      $s2 = "%s.bat" fullword wide
      $s3 = "%s%s%s \"%s > %s 2>&1\"" fullword wide
      $s4 = "Microsoft Corporation. All rights reserved." fullword wide
      $s5 = "ping 127.0.0.1 -n 3" fullword wide
   condition:
      uint16(0) == 0x5a4d and filesize < 500KB and (
         pe.imphash() == "3af996e4f960108533e69b9033503f40" or
         4 of them
      )
Raw source APT_Lazarus_Aug18_1 · YARA
Esc
Published by Neo23x0/signature-base ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
rule APT_Lazarus_Aug18_1 {
   meta:
      description = "Detects Lazarus Group Malware"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://securelist.com/operation-applejeus/87553/"
      date = "2018-08-24"
      hash1 = "ef400d73c6920ac811af401259e376458b498eb0084631386136747dfc3dcfa8"
      hash2 = "1b8d3e69fc214cb7a08bef3c00124717f4b4d7fd6be65f2829e9fd337fc7c03c"
      id = "fda4970a-2787-5e9c-9944-a6222145f4a7"
   strings:
      $s1 = "mws2_32.dll" fullword wide
      $s2 = "%s.bat" fullword wide
      $s3 = "%s%s%s \"%s > %s 2>&1\"" fullword wide
      $s4 = "Microsoft Corporation. All rights reserved." fullword wide
      $s5 = "ping 127.0.0.1 -n 3" fullword wide
   condition:
      uint16(0) == 0x5a4d and filesize < 500KB and (
         pe.imphash() == "3af996e4f960108533e69b9033503f40" or
         4 of them
      )
}

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