Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2024 13:15

General

  • Target

    e9a400053daab4a54640be4d6d76ef3fccfcef0d55ebd937595e8d2f24c57470.exe

  • Size

    91.4MB

  • MD5

    b73e545012c78e7e864318eb0278d0a9

  • SHA1

    a325f1c94ae4df3fbbc48b52098db2f5581d9fde

  • SHA256

    e9a400053daab4a54640be4d6d76ef3fccfcef0d55ebd937595e8d2f24c57470

  • SHA512

    bad9c93d1ca13c38f1bc109ed3f4515acf9fbaa56db45cd5559207a000b2e23b06a4b00ed0595114cbbe99f6c9ffca55d5f09b43b4ff36b449c62b8af7727fb7

  • SSDEEP

    1572864:fkMDsZW2KfoM2J0s2nMqZ5Nhy+cWev3mZuHshbCLPyZAoOw8mMvxIQPm0MVp0TC:fhIZW2KQWntH6+cXvjKbCLPyWol8myxI

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 22 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 46 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9a400053daab4a54640be4d6d76ef3fccfcef0d55ebd937595e8d2f24c57470.exe
    "C:\Users\Admin\AppData\Local\Temp\e9a400053daab4a54640be4d6d76ef3fccfcef0d55ebd937595e8d2f24c57470.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\LineInstaller\LineInstaller 1.0.0\install\LineInstaller.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\e9a400053daab4a54640be4d6d76ef3fccfcef0d55ebd937595e8d2f24c57470.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1732799507 "
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:1680
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E9BAF551B20EC1B6A556AD17D0E93886 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2888
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DCA8DCC2719918DB120FC6C9CD008327 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2616
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D03CCEBB1529A767E1EE96546315C047
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:464
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding 5CD7B129D45727B953D9D82459F07CB2
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\down.exe
        C:\Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\\down.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1808
        • C:\Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\down.exe
          C:\Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\down.exe /aut
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:844
        • C:\Windows\system32\colorcpl.exe
          colorcpl.exe
          4⤵
            PID:2108
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
        PID:2704
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000057C" "00000000000004D4"
        1⤵
        • Drops file in Windows directory
        • Modifies data under HKEY_USERS
        PID:3056
      • C:\Users\Admin\AppData\Local\Temp\{0E2BF25A-FAB5-40f0-BBCB-73CC7EAC1FD4}.exe
        "C:\Users\Admin\AppData\Local\Temp\{0E2BF25A-FAB5-40f0-BBCB-73CC7EAC1FD4}.exe" /s "C:\Users\Admin\AppData\Local\Temp\{D574C78A-AFF4-42eb-8132-E317B87CF05D}"
        1⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:1864
      • C:\Users\Admin\AppData\Local\Temp\{837F9EEC-B0EC-453c-BB57-27756C3B95D0}.exe
        "C:\Users\Admin\AppData\Local\Temp\{837F9EEC-B0EC-453c-BB57-27756C3B95D0}.exe" /s "C:\Users\Admin\AppData\Local\Temp\{3E9B86E0-2C10-48b3-A5DC-072689FE6C1F}"
        1⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2364
      • C:\Program Files (x86)\LineInstaller\LineInstaller\LineInstaller\LineInst.exe
        "C:\Program Files (x86)\LineInstaller\LineInstaller\LineInstaller\LineInst.exe"
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1672

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Config.Msi\f76ba4c.rbs

        Filesize

        27KB

        MD5

        c70c2a35295350c3e17dee90825074f6

        SHA1

        a8237f6ed20b12200d46ea4370d35af31b5b754b

        SHA256

        59e2f8f66ba8051755f449bc553a4e1734f4d89ffea0ef808ffe7b0481f679aa

        SHA512

        863c14693aa8ab15d7b20eb2096defc126bfd4cca7b75db221be750b5c2fc2c4e7b9ec11290f91ccbeb77fc64112a2132d3fbae5ddfd7694970d35c335c564e8

      • C:\Program Files (x86)\LineInstaller\LineInstaller\LineInstaller\LineInst.exe

        Filesize

        1004KB

        MD5

        587e3bc21efaf428c87331decc9bfeb3

        SHA1

        a5b8ebeab4e3968673a61a95350b7f0bf60d7459

        SHA256

        b931c5686cc09b2183bba197dc151b8e95ca6151e39fb98954352340c0b31120

        SHA512

        ffae2dab5caf16dc7dfd0a97a8ff6349a466bc57ee043d1ac4d53e011498e39b9a855295d10207ba578c6857abebd445d378e83aa2ff6ec247713d81b370d0ca

      • C:\Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\MSVCP140.dll

        Filesize

        613KB

        MD5

        c1b066f9e3e2f3a6785161a8c7e0346a

        SHA1

        8b3b943e79c40bc81fdac1e038a276d034bbe812

        SHA256

        99e3e25cda404283fbd96b25b7683a8d213e7954674adefa2279123a8d0701fd

        SHA512

        36f9e6c86afbd80375295238b67e4f472eb86fcb84a590d8dba928d4e7a502d4f903971827fdc331353e5b3d06616664450759432fdc8d304a56e7dacb84b728

      • C:\Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\VCRUNTIME140_1.dll

        Filesize

        48KB

        MD5

        eb49c1d33b41eb49dfed58aafa9b9a8f

        SHA1

        61786eb9f3f996d85a5f5eea4c555093dd0daab6

        SHA256

        6d3a6cde6fc4d3c79aabf785c04d2736a3e2fd9b0366c9b741f054a13ecd939e

        SHA512

        d15905a3d7203b00181609f47ce6e4b9591a629f2bf26ff33bf964f320371e06d535912fda13987610b76a85c65c659adac62f6b3176dbca91a01374178cd5c6

      • C:\Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\aut.png

        Filesize

        1.3MB

        MD5

        84e23f7b2db9b51553ea2a8206d70fc8

        SHA1

        58a3f8f377dbad922e36dfeebc7cc326fa3e7053

        SHA256

        1e7d360137b895d1be8f15487f5820da68180f92e2d361b8898d0aac657ff5dd

        SHA512

        4a7a6ea0b76c703dd7e90dfab8e6adc3be9dedbb3a36b2d8286b0d9881989e5e121af94e2ab3f7bb71abe623d8df25a0bd87fab1ff067159af020b2a211aef32

      • C:\Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\view.png

        Filesize

        2.5MB

        MD5

        83f5fa7aa542e81c5fd6ddb7f54decd9

        SHA1

        90f1a86891b0b94f4453a741ab0ab65f884980b2

        SHA256

        d4ca48dd50757bc200f38062b7766930cfe848f3ca93bd188f5a172c5f0661fe

        SHA512

        174d691cd475c89ecf42dc8e6a469beac6e36fd588ef307b24fc8a6ceef434d8ed8b58078ca476e496af17d680d46527f7b86d1d2a1f9dda909bd614a44784df

      • C:\Users\Admin\AppData\Local\Temp\MSI9608.tmp

        Filesize

        557KB

        MD5

        db7612f0fd6408d664185cfc81bef0cb

        SHA1

        19a6334ec00365b4f4e57d387ed885b32aa7c9aa

        SHA256

        e9e426b679b3efb233f03c696e997e2da3402f16a321e954b54454317fceb240

        SHA512

        25e129cb22aaabc68c42ecf10bb650ac4d0609b12c08703c780572bac7ecf4559fcc49cd595c56ea48cf55260a984cfa333c08307ffb7c62268b03fbecc724b9

      • C:\Users\Admin\AppData\Local\Temp\RegWorkshop.ini

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\AppData\Local\Temp\RegWorkshop.ini

        Filesize

        2KB

        MD5

        ff0c7c2667dff4f3ed588f40d047c642

        SHA1

        1162c83bd0bb0d81b7ab7f616cb012b790aa4adf

        SHA256

        02af5cb061fd8075e9475c45ab20e86cf2bb4ca9511ddad348645ed5183b9fc7

        SHA512

        539b1d443232758b6c60a287f2a40200e6e3ba7353f11f18e29ba265c9569a4610e4a80910f79660368a916576ab9c486efa248bf3257e522ef5bfb3d42ef3c3

      • C:\Users\Admin\AppData\Local\Temp\{0E2BF25A-FAB5-40f0-BBCB-73CC7EAC1FD4}.exe

        Filesize

        1.0MB

        MD5

        217dc98e219a340cb09915244c992a52

        SHA1

        a04f101ca7180955d62e4a1aaeccdcca489209da

        SHA256

        27c8bd76150ddda5b09d6db11f67269cee2eecac345df67f93aab3e3aaabde7c

        SHA512

        dddc15992533c8c13000163c7dd59b20e2fbdedbf611338c04f6f9209ec1a95d1f93aaeeae2778890214d333320978f5d2554348722ea6c8489320f0ef1c4c85

      • C:\Users\Admin\AppData\Local\Temp\{3E9B86E0-2C10-48b3-A5DC-072689FE6C1F}

        Filesize

        196B

        MD5

        299d189e63c4b98c2ca0dbd89c0309f7

        SHA1

        62a2faf5de3c0bcd69312b7563c965727ed2b638

        SHA256

        8a36d58db5dc2cb26f8adeb19c6a4a5a8b541b9b4fbfcc4746fe2cbf6759ddc3

        SHA512

        9fc169e48bbad7ea68c8e025c03249b5db9af8d8af0cd2cd5c0e640c4dbf4341e44d27248eeb98bbec9f96145d78c818c2e30de6b5dabb90b7b6cc36d4be1f47

      • C:\Users\Admin\AppData\Local\Temp\{D574C78A-AFF4-42eb-8132-E317B87CF05D}

        Filesize

        164B

        MD5

        81a71f6feec26723958f2364a4f1aefe

        SHA1

        3d4605cfd771aedb8ba51389074a60e5a38775ad

        SHA256

        f244b12a1e911c84dcfea45a49885cf48307d2ddc4c1ac7c1aa21bc310bebd80

        SHA512

        84f9f20e3a381f1c3cafce07bdfeffd77e19bf0007245e95a80a97fa71e16d877e12ec8d57e8a9e60d008e08b38c9fd670f5374a058980f019590ed1dafd59c5

      • C:\Users\Admin\AppData\Roaming\LineInstaller\LineInstaller 1.0.0\install\LineInstaller.msi

        Filesize

        1.6MB

        MD5

        c8952ee0f2d8e2536b32f5f7b9016939

        SHA1

        766314c8ddf6af6300ada6a851dd08cdeb766692

        SHA256

        3978074552fe6129d679141188d1d1e61e149dd6c23df3a198ef5db9bf349743

        SHA512

        b65caddfc3b10d489e28ca6b6de08e2cbc8c05aadaa8784a77ad2a1f34367b91f8115263e4c085b7f8be22b2be7ea44b0e6c6c6da7665c164b6f6919c3cbd2cf

      • C:\Windows\Installer\MSIBC00.tmp

        Filesize

        705KB

        MD5

        f7b1ddc86cd51e3391aa8bf4be48d994

        SHA1

        a0c0a4a77991d7f8df722acdd782310a6da2a904

        SHA256

        ac2df3283d65ab78ca399232fa090764636e0fec7ab53be28f6ee93733d8787f

        SHA512

        f853c3cf9ec175e946dd42f7f35d130f4fb941f64bbf5780ce452fe6e87459217b80872db375ad1bbafc47ad263408e4222d81f62c7df92c77e23e77e67e6fa6

      • C:\users\public\documents\all.zip

        Filesize

        2.2MB

        MD5

        da9b9ecb94e94c9613ec172ea7007ab1

        SHA1

        a2555d77b987bd13774af837c8298bf541089a0e

        SHA256

        60af8c6099d8996f540b4cf125d142f57a4727f8f8f32e868e253fbd51ae3831

        SHA512

        5f62765f66569085aab29c05a5b3d9f16805a002ac917c1a96d98f775c943f11ba8c0f66be18fb20eaea59c3fe809289dfbbbfe907b35ca9585af04570dc33f4

      • \Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\VCRUNTIME140.dll

        Filesize

        116KB

        MD5

        e9b690fbe5c4b96871214379659dd928

        SHA1

        c199a4beac341abc218257080b741ada0fadecaf

        SHA256

        a06c9ea4f815dac75d2c99684d433fbfc782010fae887837a03f085a29a217e8

        SHA512

        00cf9b22af6ebbc20d1b9c22fc4261394b7d98ccad4823abc5ca6fdac537b43a00db5b3829c304a85738be5107927c0761c8276d6cb7f80e90f0a2c991dbcd8c

      • \Users\Admin\2D3EAEB6-09CB-484E-BF51-0000690A8952\down.exe

        Filesize

        485KB

        MD5

        6cc1f95584aaac98297fa906248af081

        SHA1

        641c2c14a994768b6b4b6812dfb4df671af0887d

        SHA256

        5d19450428b7fcda6100ea2c564e576141de595d41aa1508512d0bf4be9f7de6

        SHA512

        0c4f4bc39c22f7b01fbfcf396f134ab9d4901a730980c7cbb0af22855b9af88b0fa6d23797dcbecf53c75e98d4e97b274124a1ce11963e75323d149d81eb147b

      • \Windows\Installer\MSIC324.tmp

        Filesize

        25KB

        MD5

        81902d13c01fd8a187f3a7f2b72d5dd0

        SHA1

        0ac01518c5588eb2788730c78f0c581f79cf2ed4

        SHA256

        eef31e9195cfacde7b4e7eb7384c8178d8811063b375fd4a28ae897cc180c6a6

        SHA512

        04d6e2e937328477803084e0ef9da2c3636cdc9d34af74e2d1871d7190be21cbb2771ae835175e104e24eccba52add1ba6f58407bfd522ef82b81d76e977f24c

      • memory/844-115-0x0000000000210000-0x0000000000220000-memory.dmp

        Filesize

        64KB

      • memory/1688-72-0x0000000002600000-0x0000000003600000-memory.dmp

        Filesize

        16.0MB

      • memory/1872-0-0x0000000000280000-0x0000000000281000-memory.dmp

        Filesize

        4KB

      • memory/1872-48-0x0000000000280000-0x0000000000281000-memory.dmp

        Filesize

        4KB

      • memory/2108-104-0x00000000000E0000-0x00000000003BD000-memory.dmp

        Filesize

        2.9MB

      • memory/2108-102-0x00000000000E0000-0x00000000003BD000-memory.dmp

        Filesize

        2.9MB

      • memory/2616-414-0x0000000000950000-0x0000000000952000-memory.dmp

        Filesize

        8KB