Analysis

  • max time kernel
    122s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-03-2024 03:46

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 4 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:2988
    • 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:1800
      • 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:2796
        • 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:2432
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Lunar Client.exe"
          4⤵
            PID:2996
        • 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:2420
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2420 CREDAT:275457 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      67KB

      MD5

      753df6889fd7410a2e9fe333da83a429

      SHA1

      3c425f16e8267186061dd48ac1c77c122962456e

      SHA256

      b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

      SHA512

      9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

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

      Filesize

      344B

      MD5

      803c82a08a9a997f17d63f694ae57e21

      SHA1

      1d9b40dd3d85b1c415bf5094023dc8c75522914c

      SHA256

      f8bc9cbf31bf133aa86a78903032f45c76e7cceeb92b95d40dfe3871757efc9c

      SHA512

      625150f9c9972d79cf9d2a124ca29ac0407af9c28b9e751acf30d53b4164a54e14ba299c1c038d769907b20d7e0752099fa99798fcda6f71a58857a1e4592f87

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

      Filesize

      344B

      MD5

      8beb9044ee7b098d16db357a1cdf6b1d

      SHA1

      ff1c11e3f8e508257259a2236fde493d1bacdc86

      SHA256

      f0280f9909551ff276a7621870f9e539f5900e3d93a15458e05be5d04c522110

      SHA512

      b79c8765cc54fd50b1d378f4683ff36aea13220c12a1a013010b8371056e4957e5954b5c1719decee20dca0e5553d164059bb8fe45376ab07b9d271e71dda34e

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

      Filesize

      344B

      MD5

      02a75df2a9ff325dd6f5367a57338af4

      SHA1

      1a9c299346fd331ca37cb699c14f41e5f49a2c9b

      SHA256

      a255869af7c032ab160800519543cf60406cc8499a734138945e8c8213ead7f0

      SHA512

      de068f4d69442bb4c445d632d0bda1f5a5697826c6489306c457bc25e094d8a94aaef2a244e17192dc7b58335795880d3e49433c3ffb0225d56a2ee078880016

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

      Filesize

      344B

      MD5

      5e348fc4b55928f8d364827d6f9f9543

      SHA1

      07e329f0a6ff248e4ebd340cf6f1224b59dc6b9a

      SHA256

      6994fdacca105e76d61acc8c52d6e96b83b90935c233d51e6c7d393d6679674d

      SHA512

      1b22ff876462c2f96c04019cb5888f8b6a1c40f840ab3c4c42422cfbeec9e28a1dbbe1d938313239ed270a6d519a084439120b3846b9051c09d034c8b6e98bd4

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

      Filesize

      344B

      MD5

      48000b8bbb36704c6335eb24cbe7c0ff

      SHA1

      df81f1eba4d1b644cb1ddd20359481848918dfad

      SHA256

      0b78148751ee2bfd709a50b1022f315118a7043828ab9c9d0251a5bbf8d0bd5b

      SHA512

      21b5a9fc1746b06f29f963afda1b789dc4c12fd5e25400fa56d861509f2b4a6f17cc6fdf1ca9907b93b023b7809072f6ea94d956ca618ea616bef679427893ba

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

      Filesize

      344B

      MD5

      cffb7875df1f00f57a3e78c167bbe818

      SHA1

      49b342a626e102562195221d8a3a8eda12f9abab

      SHA256

      aca64e84d22b74265094376bb73a0db67c394ec16124bc132a232b8c549a2e7c

      SHA512

      f50aadb96ae4109c97c02ae62710509956689ff47b5d9f257e819b2e692c5acc2c07b9d873d921ace6201f72fd04404e78e80be6dab773400266659f6fac639a

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

      Filesize

      344B

      MD5

      f9539e8d135c468114b39274a268183b

      SHA1

      eff556b0193a942b29ab84b312333339f2d9591a

      SHA256

      bbbaf9eebddee9df9133b277a5a2ab751a3cddd3da92f7ce82349f3e0b2b5752

      SHA512

      19e1cc06b56173d5ccd6a85cdf62026ac0ad841864ad0a1fd88aac1524598259431ce1161c6bcc9d8271e4ca5e7b80cc8b111466ef34f6ddcd5864ebc9424563

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

      Filesize

      344B

      MD5

      23454c56d3c2c3f8ed4e6a7fbbd6a911

      SHA1

      ec4eabf16a4b672d54493bfce86f8c78400dd02f

      SHA256

      fab391c13bd35cdcd9aaaa8a3cbd6e58698f64299c26fdb132ba31c44fd0db7f

      SHA512

      9da59b579ec2e41b91470fd5e3ea695e63c63d8903cad17df98f70765fa9a791941a4b968ed9a89abe6f3c903c530abda3692e6ea318a7c8bcd14d38afe9eb33

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

      Filesize

      344B

      MD5

      de94302176c206a64b0409239131cebc

      SHA1

      d7c71ae1bf7ffdcc94ca42c4ad5a891b58bfc380

      SHA256

      574982486ad98185f68d43c27b5434be84328f38bc69ee205c8b579f7730031b

      SHA512

      994ca12befe831859404d6acb40c1ecea275ee824a6b0597c78e5a6c836836ab0d590d4d5033d95a5466516ce2e8f87a1dde7769686cb8b5ee5ae8e1547370da

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

      Filesize

      344B

      MD5

      4d1e4b177047cff3639d1ead1338d354

      SHA1

      c3bc646d607f71f0b9f3c460f08d4cf7d2deedd3

      SHA256

      97d13d3fc6fbcea229cf066179a11ca62b2c7838e9246053b49a91fc431325bf

      SHA512

      ffc11e9569787826d7ebeaa32e1b6261e6bf8484a54319e6a43453f976bb4a6f940a6743aecca527beb57d81065b7605d983786e8bd05577034f59c08d23cbb8

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

      Filesize

      344B

      MD5

      01e986830a6ff84d9db3c29e4ab8b002

      SHA1

      c3b891ce5683fbd83253833d812a2ea5e1908010

      SHA256

      eba62d8ca89cc93375e2dc136179dbb8b4845002663d1c88050840deef447690

      SHA512

      3578541acbcafe858aaa10c4830000a4dbc29b8d86ae7c1bd17084199ea8c52f21cded789f6440c97480a9af206fbfdec236e4bd07ec533c4c746dd350f009c1

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

      Filesize

      344B

      MD5

      3f3e6ebfafc1d1e54f06801630dc7a6d

      SHA1

      ef3bc53425cf5cce50ffad84f4f49e7474377572

      SHA256

      ae0f1080bfb9aaa973b6de9df886fd3418ca4e7d45543f25466a380f0694ea73

      SHA512

      67183a587ee707c13b3835b3cbdf29c575a8d123cd8535c1b0cb70f080fc4995953a0819db22d874c928c81179abc0559b6a85597b9a47f4b950ec6423e3ee83

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

      Filesize

      344B

      MD5

      4f2c3d7af2b58ced39e936b4ad5f59bd

      SHA1

      af4a76f3d564f5589e384ea85886a573fc044fae

      SHA256

      7b737062c1dd11c43e4fe2c39721f16e6321ded419424b9bdb36ccca693dc4d0

      SHA512

      380c3bcddc02e9598cf678485aa2b78a7bffb24b0259e660c26f6ae5b2b8a37718c84730d3f5b417a34e003c0c5d5a50cc5b78a1f2943101365952daea7dd02a

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

      Filesize

      344B

      MD5

      1828a6dabf89081d93211f0b1f82bd7b

      SHA1

      cdfbbfc03f4a0363a327f30ab8dcb3157a82a201

      SHA256

      45e859c70e48063cd0f62331a955bcb326064c556e5bd9321486b79c4e33cbda

      SHA512

      ecf63f5677b7e793aea555748d2f4725d8ee8e192765d7b01b8226629b1102f917fc91ed4e88bf2874bc5091e50f935754382596ffe37752785fdd5430aa8085

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

      Filesize

      344B

      MD5

      6c5a3a9b05d51d22bac762fa9fad7088

      SHA1

      a0d0d034b2189651464b7e4c4d6dfbde464334ca

      SHA256

      d953112f89a987608cde9c797e5b48529ed0db664611a10ca859702e008e3bfc

      SHA512

      30351db94ed2950d03b21ac2e980535dc143b74900a99ff99242d9420f003878fcbe5ba3f7c74558ff84957d1a7d4961b4e15350ad85f4af99e827e5d2febb6f

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

      Filesize

      344B

      MD5

      de818d3edeeb4c3ee245ef14656031bb

      SHA1

      a64f7ce24c15b437b02c8739f346daf3efd4bf70

      SHA256

      aaeb197f7b5882655abe04b21071d9bcfd3e9f243f51abd22b923b9d94f74c05

      SHA512

      90141526394db832f3579877f80269d7261f23498636ad6f48790aa6290d33b94ef5fb5cc09e773b9abef52e33fc91deaaf8fdbb6f0a38ab44cbb1b662ba59a2

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

      Filesize

      344B

      MD5

      b8e290ff41d289e1229932c538f506b3

      SHA1

      ea80450331d03a8100e2ab07ec066bae2c253cc8

      SHA256

      81c33f1592eb3c66385c953475b3fe45e219dfe1b635c8dacaaf1226cc3cf07e

      SHA512

      1714f6306d3f21c963978008c65f0cb15da11dc0b276c75f01f82ae6dd92d161fe0763ab730400e6e8d476831d6550031290e04219777f2a6b3ffa490b30e9d5

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

      Filesize

      344B

      MD5

      a792be7e29eb65e353f94a030c4267b2

      SHA1

      33c75b19d00505faf5234cfa1cdb2a25a1e5272f

      SHA256

      fcff4e586aa09e1702c803c4df0d45cf1595dfd656cbb8facf5dc681e946bb5a

      SHA512

      f408929b0329d2927157d1243df77379bb9dff424d9e6a42ed4293a94584c7c8f809fdfadc1276c9e124a6bf17af04649b72b602fa3ce2f5762b45f99835b403

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

      Filesize

      344B

      MD5

      ccbce9296763ff1728176a3398573c83

      SHA1

      ab8b045dc1cc2799fa7e50d4b5c358863595c023

      SHA256

      da74539b9d78a6ef694705fe811a76abfbdee549c14fe41580d6f15d62661ff0

      SHA512

      22ed83744c571742664ca48eaed1729919918625c4c83b03bbd45a637168b88deaebc6fbdaa9473b2fafde30143444ac8f5f11c9fa3cd1db8acafc1cbc89f73b

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

      Filesize

      344B

      MD5

      5a5e98a8e323ec2ba41f1f414cb2cf12

      SHA1

      3ad20753dca5b757f59b3ec713341d1a89eaf606

      SHA256

      395607ac76e900dcf743b8455ea6f604e80d81a552f656dc63c4c4fef774abe1

      SHA512

      5a7ffff397d13173baeb89aff8310f0a185270e6eb7558f727d0c3a23a625a5f96d77f031269a3555a92a711ffb9885960cbcdda0e6e4ede29adace4448480bd

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

      Filesize

      344B

      MD5

      71a2929099008b1468b6fa5989ca4508

      SHA1

      b9e95962cb0990297605736d19dff128427796fb

      SHA256

      3b1a7e61c174385c0589d56b1ebd4c6851f1af8a2046b5c32ed31f4e921a0ccc

      SHA512

      f995f626e758f7742c45f1ebba92baae3cf545d08c93a7243be033eef9158516853f8e81b02c2487926358a7b1f2cb3dc3e6694294b2f99f87d5f48dcf79950c

    • C:\Users\Admin\AppData\Local\Temp\Tar36FF.tmp

      Filesize

      175KB

      MD5

      dd73cead4b93366cf3465c8cd32e2796

      SHA1

      74546226dfe9ceb8184651e920d1dbfb432b314e

      SHA256

      a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

      SHA512

      ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

    • \Users\Admin\AppData\Local\Temp\nsy1131.tmp\StdUtils.dll

      Filesize

      100KB

      MD5

      c6a6e03f77c313b267498515488c5740

      SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

      SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

      SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • \Users\Admin\AppData\Local\Temp\nsy1131.tmp\System.dll

      Filesize

      12KB

      MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

      SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

      SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

      SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • \Users\Admin\AppData\Local\Temp\nsy1131.tmp\WinShell.dll

      Filesize

      3KB

      MD5

      1cc7c37b7e0c8cd8bf04b6cc283e1e56

      SHA1

      0b9519763be6625bd5abce175dcc59c96d100d4c

      SHA256

      9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

      SHA512

      7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

    • \Users\Admin\AppData\Local\Temp\nsy1131.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