Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-02-2024 01:05

General

  • Target

    $R0/Uninstall Lunar Client.exe

  • Size

    404KB

  • MD5

    227c1f9fe7c7f6fb24a451a5ca84e722

  • SHA1

    9c34be548c0b2affd930d05c1b315a5cbe9bca45

  • SHA256

    bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a

  • SHA512

    1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66

  • SSDEEP

    3072:Wn77v00hEoDEtauTsqBGeQIfxqxAjDsksbfVl1snhl+l2L0Sa9/l7a4vZAzLmDVH:W740IEa+J+Rql1DKs2t0EyL+ya2

Score
4/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Lunar Client.exe
    "C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Lunar Client.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Lunar Client.exe" | %SYSTEMROOT%\System32\find.exe "Lunar Client.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Lunar Client.exe"
          4⤵
          • Enumerates processes with tasklist
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2692
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Lunar Client.exe"
          4⤵
            PID:2448
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" https://lunarclient.com/uninstaller/?installId=unknown
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2436
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2436 CREDAT:275457 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2508

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      cdb46ca4e1d9984a535c606744042bac

      SHA1

      25298dce623bd02f4969624b0aaff85a0cdb3501

      SHA256

      c132d5ab91462fde6e2934f622ec2c3e55e19cf5a56e32d79c06f5e47fc231ea

      SHA512

      1a71231af2d1b8d2bec59ecf90e3f17ac8ae83fb4188d8496abd2194bf6b53062094214547c852dcf506ea464f1c01436dc351ae0972456a24bc04f69d7697a4

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      ecd328a333fe248a43ece38ab710cc53

      SHA1

      32d87efe2c9f8f9b436c124c3735dddbce231ca1

      SHA256

      7a01fb577beb44bc5e0299c47192660d8ab098d6300a3e989020e85de2d05273

      SHA512

      ded2aaba358d63700409fd478fdd974cd08f10bcaa50bcc1df05e23aaa807b29eb1da9f5cdaaccc82939ae8f7ca5c4c568ed33810fda5a4ac488fbc9f0962b92

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      064ef95c6db5c48c3e24e8ac747a9981

      SHA1

      3aade8345c48b516a5b50500961af1d48a4f218a

      SHA256

      0fe3c2ffd417de7d32cb6edc9479b3b88607b8e1b4ebc7ed374acb7176226447

      SHA512

      929a49c4a47441f7da3a563e5012e4642365266c2fd2b1688893d29caa69c5492de28c6925a96b0d3366eb63fe58599bb84d1c5758a6ab85eae87b95455a0420

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      1a219009ed61f81c1f6837672482dbf3

      SHA1

      594fd7c5bb1d7a5cc495afc2819f89f7e318b98b

      SHA256

      21ef9a2a993a254fbaac13cecb5d3df0fee45e3d19382f35251038a3c91962fb

      SHA512

      813f1f3a39318bd9dd410481cf8b1b54ec86d34ea971d78efe9dd4eb7a2415d4abba418333f6b1f6ede54d845c27ae9ee3092a93565e048f0248a0dd4ed7ce43

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      fa11c75d12030ff349687488135cdb9f

      SHA1

      bf3b77574ed1deaa7157288c544a23cdb0e509a1

      SHA256

      f631f920b73019f8c8d400af8c425ac5180e4d9bfbb87a261afbcc0df7e896e4

      SHA512

      9ea3de4f6c617cf1178c86e4e6c5d33cfedc4559e83698d578e39247163f4a0e67aa4f59a6d9b06a5eb4c1acd69dfa4a8b8a9f2f8774d8c652f1cf7444bad72e

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      4e7478b55e46f756685e37a774af2537

      SHA1

      75626308fee2ec424659ddc9625f7ef3a2e606f0

      SHA256

      c6635fac0d23d6c87ec0ac77272a5240342d7c20f68478a4274655453169d867

      SHA512

      0e219b96b007d93babb5cebb71212b3ec5aed8407f96ebbed20c866a5ad660df3117706e4b3c43309bf7e202b7e5cb6bd614b70bdd8d87bf8ae5ec7194f7ac79

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      d1256fd74291bf5da621953f7b68fc5a

      SHA1

      be59fc220ca640b4b6fc165d584da47a96aa3ec2

      SHA256

      2ad9ab5ccceed882498957b6508dfea4b300e2b80efab46cc1103a86a9166486

      SHA512

      a12ccce99654eef679c73f8460e35433b81ca5070d35a5adb16dcf06c99b6b89456d90bd1d489da0802760b8eef65575da48a48b52125f2cfadf82987bf0cb88

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      2d95f6071ac31e5c4591964801933640

      SHA1

      e5cd6a57c0518555cf292bddd6537f50c41498c4

      SHA256

      bc15b179c9f77e0b4b318067a51c63c825a1d4511f6ebf8d063dc63b61d5766c

      SHA512

      e5163c5929c3861d5422ed67ba5d605d5bed9829eaa15084e444e3a6c93090a2952d14959c4c18060044e9ffb2a526350ed8b384e6ff09c4548f6e8e10e77647

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      b1e8bb692f8067f88a3b194b161a214b

      SHA1

      80b487be6ea3aa91cbfb60b5334fa066b0c8ec7a

      SHA256

      812c8d40b3ac8c04c33def509d9282b6ce1ae1045820b5df6f66a4fae5b98372

      SHA512

      e3f8007821d6a5411c75b6963310caf0df8c6d501f8fcb339d8637009be8dfd9a24c82e544bea545f0cac4a943ad22f1bc57e3a0462abfdc808bb09fe2a88f2c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      8937b83172806a43dadfb003c95284a5

      SHA1

      78a3af6636802d0d6a355221bd54f037e3009ef7

      SHA256

      272767a8314225481a232d26e2f5346d53d7ba79bc347d2dcd66ff00fd25ee63

      SHA512

      0927012d597eea26e21b3209843aec73540e3f36f17131bf2b496678506b95fde0fabf957571d8ea2a7973254f8f8753297b0e07a89f6254bf3028776b391d0d

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      1780bd2a3eb345aa067331b5b671d20c

      SHA1

      9623a233087ef87084fa9d1a1094f2d80059e269

      SHA256

      cbf906ec36bb7be1360b8f2dabb1481d347d20a3765bd315c0e309c0cf3d0440

      SHA512

      3825fea6d89510e0e858fd462c29b92f0adba6e7f4318c07471e755fe13c0e5a74f5852020af10ac65c7dd45c83212489aa3540865e2b77e15e1a6b06fcbc220

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      bf54d0f093d8a3e6cd276380d32d93f1

      SHA1

      9598a53719cfe7de780015646907633520c0daef

      SHA256

      8d3d191c36bb8b25f1088a956d449621b6d3a6562d3010bad3111de4eb3de657

      SHA512

      54d96d74d5a4c1a1446a9c91a858ce0706d8dade7e8395c7fca19c46d0180813af7580763eaaabc6be4bafcadff18b371af9f2d4be2cb16e6e53b52ab34e0644

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      c7d4edd9d50e4790adc3648e2f7987fc

      SHA1

      b584d9d8099dddf169eac9d548e8f4d1d735023e

      SHA256

      1f209b994212f58ade900bdae384242075f1121d71632f557956069b657c5638

      SHA512

      c5d1982ed955d36e1fe5851b8d25425e1c11df8df37e2bb6af5029f37b1c775025bb42a019df9874095ee3a21022050d2dd6e84deeacac53a8f9c21b80a4270a

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      bcc02721d734ad9eb873d2ac83482f6a

      SHA1

      2454ad2a56b47fd0aa9694b1ce79ff2fd5d43b6f

      SHA256

      3ba5a0b0a7f0f5e43a1a03cfe6512e263fbc55d75f55fe2b183b3aa9a0d9d42e

      SHA512

      ffac92ade40694a53f3fe96886658dfcb0ba140539f29bd6087a29b422384e17ede266871995e18d61c9dc74f365d5ab8491e971a60b7b9e62de501c13a4cb16

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      9316c717c1a8959c7bf9db84165402b4

      SHA1

      622ae6ce09fab9469da6aaae1141128d7d3202f1

      SHA256

      ee1a27fb985c07824e47db0018231c6f9bec615def6b8494b363ca355a1ac271

      SHA512

      8665477aed51d1d81d585b2567d36457571553e3ccbe9786d0913816d34418107e1a56dd32b98557ff6ce9cf224639d36b7617f25a52ef8670d0eda74b0d501a

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      3e4c2f7d1b0af578ea9033ad29fdc152

      SHA1

      bca71e1137f3eac2764eeebb19827bbaf33ca914

      SHA256

      384c23a39a05d040bcd14665c76318585c479c919b12d539711dc0ef8b8b2f8f

      SHA512

      b818e21e6c4763b889f05be51d6241082e425c46bc570175b43f74406ca956c6d67d5ef29226a9351f76b09b32e86e305cd9172f1632ba1c8a548f5f2276de3b

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      6245c514b5c40fa35dc3771d57ac0c3d

      SHA1

      c1d5fa089c8cc62509b9b84365b48871e816bc8f

      SHA256

      5fabc881d43039e14823846dde297975b2470997b6bc73f5ba9a39501571b07c

      SHA512

      30b1a16b7ffa6b3e3c2518caca8933ed1fc156fe45377e6f78eba878ac42d2cc48e4d3c75accd35f7209518b7a59aa2520e08490ed18371926a51fdfe2952f8c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      d9660b6a9f95960d5504e1a8a4b23720

      SHA1

      bb7f80c14d7ad12d8dc36255ad868c432933e7a1

      SHA256

      13f1a47edb905acbffad18483f07ad82766379a81ab246df0a7a216b31416696

      SHA512

      5a404e353b4239c9c158722290356279724e4e601e5b1a8b8da8bfb23635bd08c3baf3e1de35e45031334fe839b4165e53f62e055357aa242f9285439591e6f3

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      418116f547bede086e203e2972a974d6

      SHA1

      d35c1da45ad01641c42c37527a37b953dbb46172

      SHA256

      fc6f57089cb4019df34dd1fa5635604bee6686431b852f08b0e220a1e1186735

      SHA512

      12f4f5cd67491d827de4f3c9a5f34277f3403a39cb0931af5970d542ef8b7db080e16a7afaa8d964ba03c35d3569490ebfa6ba730455189c10cffaaf2b0bc616

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      b1d63906e1b4fb8372d8dc9be2e48a32

      SHA1

      fbe1211525d0fc81d110bae008044a507055b4cf

      SHA256

      2dc759ee9b4eccc76b9673094e718333e4162891430409a913db2de7f1b5f420

      SHA512

      c63a97f26527ba20e4673f4d8e219d10357bdc674ee54ba3696f0674d5088f8244db94def97466250920198f519366e3e905d03b63ec455b78267c716b7561c3

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      c561fa2237c1506f355aa7cf80c06157

      SHA1

      a11bdb7772ba63b77d52158d0330d0182cf612de

      SHA256

      98545c0e19d2ac8a4e25b3ab44b82757aee085c299dbb685b404cb6bcd332722

      SHA512

      6605df998e679579d4a478de2ce08634cc4285532ba90a19ec0d9daebb60ef4d1f732cb4386efa6cc2f401e0b9e433b79487da2f46f2a3f2400579f8c3aa2ed0

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      02a7a1269b00f3a785874d53eb5e5a1b

      SHA1

      9f426f35bd4a845e1868d039f0ae2394ea7b39ae

      SHA256

      02b0bdfd56fdb0dad3502e823fced607467d5106f6aad8d1f67402c204d43bc5

      SHA512

      2cf34254b1b117662861dd62c5f73db28bebe3be12f328292fec846a036864007e40d85efa69945000a89f12973b3468325ed01b52857709e02c1c9a20cc2991

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      ec1bdbe4bd3a4b3a35bcd49904c6634e

      SHA1

      887f965424cddcdf2608d6ebb2d7e9bc308c28f0

      SHA256

      6fc364b5a14135e033c2bc3a6c4ba4d65059f40a3b18b04c7acb207c3ae48a5d

      SHA512

      0662fc11c1e1bb31cd6a7b3323b09d86be939027f6883feb27a84197678f1627a4134f29b7f161d8c3e5ee6188f0b750964ce1710717a3c9077bb624401b28e5

    • C:\Users\Admin\AppData\Local\Temp\Cab3FEF.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar407F.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • \Users\Admin\AppData\Local\Temp\nsy2157.tmp\StdUtils.dll

      Filesize

      100KB

      MD5

      c6a6e03f77c313b267498515488c5740

      SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

      SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

      SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • \Users\Admin\AppData\Local\Temp\nsy2157.tmp\System.dll

      Filesize

      12KB

      MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

      SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

      SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

      SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • \Users\Admin\AppData\Local\Temp\nsy2157.tmp\WinShell.dll

      Filesize

      3KB

      MD5

      1cc7c37b7e0c8cd8bf04b6cc283e1e56

      SHA1

      0b9519763be6625bd5abce175dcc59c96d100d4c

      SHA256

      9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

      SHA512

      7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

    • \Users\Admin\AppData\Local\Temp\nsy2157.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      ec0504e6b8a11d5aad43b296beeb84b2

      SHA1

      91b5ce085130c8c7194d66b2439ec9e1c206497c

      SHA256

      5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

      SHA512

      3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

    • \Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

      Filesize

      404KB

      MD5

      227c1f9fe7c7f6fb24a451a5ca84e722

      SHA1

      9c34be548c0b2affd930d05c1b315a5cbe9bca45

      SHA256

      bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a

      SHA512

      1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66