Extracted

• • Target
    heif.dll
  • Size 707KB
  • SHA256 938b31b323d580e49c30591784331fee4e026e63a2fa21bf24901156bcc70afe
  • MD5 fb4261a3c06d11c988bcf91c9ffe9931
  • SHA1 ae9ee42a4d9d4e957a5cedb319c5cac3b5e9a638
  • SHA512 fa510a3ca3395f355e548aa5d3391a8b35bc9becfc4fddd63d75afd44ccacaf26ee17820a4c32e2a9c08a16a25e93b5aa557e1c104e7f313311687017ece8bee
  • SSDEEP 12288:nryWUwIeigcgxNA9pabceSPUDhjhrr1Zw8jysrnj4cDf2B/AuzFjl/l2HQYWu1lO:nGlwXrcgM9WcxWhdw8jFD8cDf+nxjl/n
  • TLSH
    T1E0F423C624EC6626F2BB467D5BAA2872F00DDBC07B41C3447BC9279E2ACC74497A5523
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  8^/10

  discoveryupx

  • Badlisted process makes network request

    Network request originating from process or tool commonly abused by malware.

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery

  • UPX packed file

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

    upx
  behavioral1behavioral2
• • Target
    msvcp140.dll
  • Size 572KB
  • SHA256 b5400f8454276f1adf944d8ba393866ca423603254baf88bca7dc4c1cf762116
  • MD5 cdf7a0cc26ed6b4136ce69b74d8694ed
  • SHA1 9d7775e53b051a150bd461b0cacebd206bf875dc
  • SHA512 deb4397ad18f0267463ac69e629788f5b9c90265ffb69d1f2c360534b6df7c2a0da3c389916430f3a4675ad8ba29c6c6c95dafee07480bfe74fa913934677abd
  • SSDEEP 12288:49zqgpPAgLqMpP85TAfvULhNaYv0nJxgQEKZm+jWodEEVht4y:44wPrALhAYvogQEKZm+jWodEE7P
  • TLSH
    T1C9C41923B74905E0E195E3B891878706D7F1BC4A8312A3C792EBD69D2F673D1673B290
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  1^/10
  behavioral3behavioral4
• • Target
    resmonitor.dll
  • Size 177KB
  • SHA256 9f185ed99336d159f552d85ac12e276874ef42c8fd4a05eacbe9da3f7b9f0520
  • MD5 8688688ab59154a5c379b01877ed351d
  • SHA1 306aa47690b37f6d86c4b2fb218e3ad321785a61
  • SHA512 fc3d9e92a7f20ad5c429dba0f7f00b9212e772faa3bf0ea1186f15b3c696cefae207c5a003d500d66046c1d78078566757ea9d3cce672ac306da0213b77f0689
  • SSDEEP 3072:mNGXitYlbwBTkmg6zam6kAHFePxmkXrWhz0NHoYF1Z91ZfYJ:mXYRgbg6zR6jFePxmSrWhz0NIaYJ
  • TLSH
    T14C04396B779450AAC52BE278DAA78642F7B274151B7187CB0360437E1F37BD06E7A320
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  1^/10
  behavioral5behavioral6
• • Target
    vcruntime140.dll
  • Size 127KB
  • SHA256 98aea63f7c88d733504c08b165fd68a917e256f2cfaeaa742323ef6dddbbce29
  • MD5 d59f36ddcc7460bf5bcd9fde274982bb
  • SHA1 062ed05bfabfabe77d63cfa991f8471475aaf776
  • SHA512 2dd1da4d55ff8a8e2f8528d3c3afd0af31eea5d049fa9dacebac0f194d9a8c265f10426585b734126a3cafe853e7807279ce39e27d95df314c8c9acbe7d1f079
  • SSDEEP 1536:s9TXF5YXWbj8qr51XlN+dULTCe1IGhKWyxLiyaXYaNxoecbdhUoaE/nzR64zESqY:sEnsvReGsWyxLizXFkecbd1aIn34wT
  • TLSH
    T1BED39D85B2A402B7D16AC174C2E3AE17FB75B94487A0A3CF03B59A650F53BE09E3C355
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  1^/10
  behavioral7behavioral8
• • Target
    vcruntime140_1.dll
  • Size 58KB
  • SHA256 1a1ca015a830a357ad5ec882845d732a60368b6c0d8247a009140cd518377f73
  • MD5 0bdae05fc660c889f1a3a6fd0d7ca3e4
  • SHA1 48572d0da1d1b576f8d9bee7079b2e73edd1f23a
  • SHA512 84d3ca24b54fc50c86e497e9853b4e0c49f65f04b09879af250471b4416a025dfd4bf393b32e494329c2d05817a811bd3c69d80e0d3dae86d567ca73c85c096b
  • SSDEEP 768:UzzO6ujT3MbR3v0Cz6Sz5q83ywPg1HfV9zxfkbK9zqaQ9zoQ:hq/oMx3hsHfnzxfkizqBzoQ
  • TLSH
    T116436CA457784082D99B98B0C1EAEE537D7CB7D60B10924B0BE5E5481F633D1EB3D22E
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  1^/10
  behavioral10behavioral9
• • Target
    税務調査.exe
  • Size 34KB
  • SHA256 b84ff202378442d620ee9908b24427ed07779c06bcd08b7ad1b8cb1e893619e2
  • MD5 d7731ca707d0a1a1260339ad96b27a8e
  • SHA1 ee234f1476066ba093fbb59a69b8f49ec1ac066a
  • SHA512 be4f15e3014074edaf75a8b9292e484a69dec6881e55b551595a7c23b55b0b31f13f690ff4997436fb676a7ce42246f81e59ef8aa46b0266e9f86504319b50b7
  • SSDEEP 768:0i1U5B7tDjM9ibmp63C33w2M4gMEpYinAMxJz6Ax:0Hi9emgyQl4y7Hxrx
  • TLSH
    T113F28D09DB690C96E917953CB6B2402BD6B2BB973F50C7CF1B45C2190FB23C13AB9664
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  backdoordiscoveryexecutionvalleyrat_s2persistenceupx

  • Detects ValleyRAT payload

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2

  • Adds Run key to start application

    persistence

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery

  • UPX packed file

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

    upx
  behavioral11behavioral12