Analysis

  • max time kernel
    23s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22/05/2024, 14:44

General

  • Target

    Checker_legacybattle.exe

  • Size

    17.6MB

  • MD5

    b0ea56470940e14501f3de3704ee3dfd

  • SHA1

    344a32cd672ae105a3d4d154c58c7c10345746a7

  • SHA256

    a08acf97b669ad3896c129066e8afaea4173ff8e6d49256475adb07491dc160b

  • SHA512

    ff3d9f9d9102f72daee17b86d30e6b6bb52c3b8b8f7f36e41d5bf656d3f1f8dc678bc41d446cde4519761942578bd16676dfe47797c7459cda3cd4420113708f

  • SSDEEP

    393216:W0EjEDXajAA7ZNU5DanvweSC1abTNp83uQz9seZ2L/yj84e3km6Nsp:9Ewuj9785GITC1ancuctJsAsp

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Checker_legacybattle.exe
    "C:\Users\Admin\AppData\Local\Temp\Checker_legacybattle.exe"
    1⤵
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1912
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A7C924FC9FD781D024DCBA6E18468C5E C
      2⤵
      • Loads dropped DLL
      PID:1344

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          68KB

          MD5

          29f65ba8e88c063813cc50a4ea544e93

          SHA1

          05a7040d5c127e68c25d81cc51271ffb8bef3568

          SHA256

          1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

          SHA512

          e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

        • C:\Users\Admin\AppData\Local\Temp\AI_EXTUI_BIN_1912\aboutbtn

          Filesize

          1KB

          MD5

          b51b54b77e9cbfdb1063f7487c1c07ec

          SHA1

          8a8a7036cfbc86a537447bf71b9f6795923db8b9

          SHA256

          9d7243c688264329a8cb9e22da00b651e0a9407741d722e03dd67cc8b3ee1335

          SHA512

          04cef1aa3a530e7f03054369450eb42f36bf45c13c7445adf450ec4635a8601447c5bb6e978b3adabe9021019644681bf1609539eb548dd50ada973aac0c6555

        • C:\Users\Admin\AppData\Local\Temp\AI_EXTUI_BIN_1912\background

          Filesize

          2KB

          MD5

          9e23da7c3cd3fb8113e698a12a3d3047

          SHA1

          6d021109495d77a53afe101f2b03a4da847e6d99

          SHA256

          b671008e5d4a15409051d7b3d2aa40f7c028e1dab5876c2882976793abb9356c

          SHA512

          65e885984681cee190764515f61bb8da3c29463b87f4371fff27ae4c4089af46c9b98910a847ec29d7368160d6aaf841fb93f1347c9abc47bce5cf997c8b4ef2

        • C:\Users\Admin\AppData\Local\Temp\AI_EXTUI_BIN_1912\buttonimgs

          Filesize

          1KB

          MD5

          6956ac5e9d5e47daeb7d147d67d9e526

          SHA1

          427449cf08f0c78f1bf3850565201991828e278c

          SHA256

          f8f4efdb34b00775638c95568761c93436812af56c8f41116f2f92a987ca9ae0

          SHA512

          a82f9d199e36dfcdad7393761d1cf541d67b0b70d4b31cf71ad38dab3e95b351143c1aff4adea3207d1fd1e9c3523e9b7e3cea37cb61f9f2845894c60327651c

        • C:\Users\Admin\AppData\Local\Temp\AI_EXTUI_BIN_1912\checkernewicon.png

          Filesize

          3KB

          MD5

          b1618ec6d5e7c1e293cb36ab87371615

          SHA1

          a9c47241b1378bca3b541abb07aeb4b1feb0ccf4

          SHA256

          76adccd20b35ba40b9be5ac4194941625826084f32a9c7c07090708946fc39c5

          SHA512

          a45e20225fe4d5989f6f8891274a8ed07f27c2b33545458f36bbb3356124fbf83c6d1523155b4830e6bb78a96e4fd282a7f43ec3d3ce77fe488f8640ff49da2a

        • C:\Users\Admin\AppData\Local\Temp\Cab81E.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\MSIA5C.tmp

          Filesize

          587KB

          MD5

          9e0aef52f6c03b2fea067342d9d4f22f

          SHA1

          d4431a858c8a7a79315829ec7aa82e838c2714f4

          SHA256

          42b8adafcb4e8496d9822a0c504f449e56456528a9251c153381d3f63d197e5b

          SHA512

          42858a6695d7906b3df4dc97f3b1fac737633a51ffb52e8ec8eddeb21f8cdb53c199bb698e54c4a931155eafd879de6fff114b84f298c84436b776e286ebeeb1

        • C:\Users\Admin\AppData\Local\Temp\MSIB67.tmp

          Filesize

          1.1MB

          MD5

          c04ed00ddcb3518e8cf6db24db294a50

          SHA1

          cc98cc3ab9c4371f85ea227d9f761bab4aa76baa

          SHA256

          3c21e1f3bb3ebeb5f0ff68658db8abd18b62f8b195288c4bf87936fc51f8ae9e

          SHA512

          736946a3130f294878ea51145960017babcc1b8ac2c96afd8b9e2a4d120f173afb84bbd04b6f0113f286d4bc671befecd4e92c582f1de1a0d5bc8738c3cae9c5

        • C:\Users\Admin\AppData\Local\Temp\MSIC24.tmp

          Filesize

          709KB

          MD5

          eb7811666ac7be6477e23af68511424f

          SHA1

          1623579c5a3710dcc694a2fd49defa27d56d9175

          SHA256

          ad706739b04256b9215e80d2d030863a37f0d7fd0e4071d0a3a73d6704d8bd8f

          SHA512

          3055baa15c92f476513c66a423043dc4b8c5f83f47643ad77665d6a2f823f4655bf4ae241d8af4bc34d53630df1c35989f0b11b934a631960668fcc7a8c81a7b

        • C:\Users\Admin\AppData\Local\Temp\Tar830.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • C:\Users\Admin\AppData\Local\Temp\Tar98F.tmp

          Filesize

          177KB

          MD5

          435a9ac180383f9fa094131b173a2f7b

          SHA1

          76944ea657a9db94f9a4bef38f88c46ed4166983

          SHA256

          67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

          SHA512

          1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

        • C:\Users\Admin\AppData\Roaming\SandeLLo CHECKER\install\51B5780\SandeLLoCHECKER_Installer.msi

          Filesize

          4.7MB

          MD5

          69d9a69f84bc67feed975148b9e2ec7c

          SHA1

          b4cd30ae6c20a0a5297589a4739d9b5a3fc5154f

          SHA256

          2fc0bc7675b71742b759f44f00e23662f28ad3d04cc5e2956428e57cb61d55b7

          SHA512

          63b5c471d372611b3936f9f2dba302b95490719f228b7362c99957162f92fb4fb31d82dc5c6a55cf1f793dca9f321d601439c7f61aa94c11cc25302e365a428f

        • memory/1912-0-0x0000000000560000-0x0000000000561000-memory.dmp

          Filesize

          4KB

        • memory/1912-156-0x0000000000560000-0x0000000000561000-memory.dmp

          Filesize

          4KB