General

  • Target

    VanillaRat.rar

  • Size

    9.3MB

  • Sample

    230925-kcz9ladf8x

  • MD5

    a049dc80cb0ce48c4e91ac7d5172a082

  • SHA1

    e45fe95f502072b7ff28e6b3978fc0fd80e58ca1

  • SHA256

    e590d9d061fc38da277121abaf50c5d2432fe4cab8eb4fc347687d04c188f34b

  • SHA512

    0785dc1529f61a5b9af743d24cd5aa836b871dc077cc2ec37b0c66998f79c5fed260e1d4859a43ccb7fc5e0fab0173e64f59f245106325f7e36b6a6bd4a5dfea

  • SSDEEP

    196608:JBl2bbnL8Gw727XWgrz7BrNsMeYg58cvLXthkIYisyqIjRqVTvBKFsOcoN:JB8bbn4umoPgMeb8cLtSIjsyqIEVYFsC

Score
10/10

Malware Config

Targets

    • Target

      VanillaRat/Handlers/HandlerInstaller.bat

    • Size

      12.4MB

    • MD5

      36120c9b85ac8d0886754aea83b5f651

    • SHA1

      f37d5eb87609e6312dc30b37f3b9568f788e1d9d

    • SHA256

      3087b98c490a4be2e1e8d97a74edbacaab32c4162c49050408e9c86e0d1374eb

    • SHA512

      973d80dd9f55c9219c0c1fcb194cb3151b872b2187a83abbcae53f9185a37877253962c116c282019e2309154b0ee0aba4675862f9e4eb4b0084a757ed7a8957

    • SSDEEP

      49152:gfNOR3QlUQZ81jHk0IYRuKSGUhYHEPgU9XA1J8yWSUZ89FIJI25U3euQ6o2Mif+6:J

    Score
    10/10
    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    • Target

      VanillaRat/Main/VanillaRat.exe

    • Size

      1.8MB

    • MD5

      15e08de70a1aa3202bf12873d7464cfb

    • SHA1

      3797022285b7250fe7c3b4d3c68aabd7b02e77df

    • SHA256

      0888ca367d882709d10712f6d8eefc5945ff067467e832f59e0071a86ae96555

    • SHA512

      f084621d43085877aaccdfa73394e4ec11e56a2c7d6086aa6308b0e086a3d5bfa7c18fc4374a1d2028868fad0f9d45dff4d82a6c0ef8c2e9946a901a7779a343

    • SSDEEP

      24576:HDTgl3eQury9oQqdTfqauvHpcV3+bGeVUEY995IK5:jkJ94y9oBuvHCuHqEV

    Score
    1/10
    • Target

      VanillaRat/Main/VanillaStub.exe

    • Size

      111KB

    • MD5

      ba4ef2f128dd9d5ad47cf36448248cbc

    • SHA1

      c791033df85c85b1c67638a64177553cef896970

    • SHA256

      3515285bcb1e7b4a7c5a570ab9ba0543f4733cc9b1a5afb6d4c1bc4d0b0afa92

    • SHA512

      f83f79f85167e2980b85db8a8fbd731c352ccf049203749fb70fabba78067361ebd15fe22783cd8a80355e4ae66a6999eee200aadacf75556dec3c67b840f287

    • SSDEEP

      3072:o0w4Vztdrx+jiEPtXKb0H/vbabULtyTl:LxrrkzPtabK/v50

    Score
    10/10
    • VanillaRat

      VanillaRat is an advanced remote administration tool coded in C#.

    • Vanilla Rat payload

    • Target

      VanillaRat/Start.bat

    • Size

      3KB

    • MD5

      78d817fe7349683c207f17c0b4774484

    • SHA1

      9dc66330a6aef8e8678b45ac3fa79091f2f50ccc

    • SHA256

      b7ddf09d72ad1671da5c5ad5bf0e5d22ac6f4fee8cedd04f188a9e109e8b86f6

    • SHA512

      77e0bdc2d0faa24d4f4ff42059f8b002b7214300fd7f44b07d76fb042b111a1ad85e2b32e1032942aaf29bed11efe17a73e623cafd777ec21e603118e70d2699

    Score
    10/10
    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks