Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2024 23:16

General

  • Target

    8GMgV5a1fsLKxv.msi

  • Size

    4.3MB

  • MD5

    643541e25802b30249ba4fd2f549e244

  • SHA1

    df45dbb9c09775be5567cf8dd92b8bf8e77dcc43

  • SHA256

    e5e94056346367f7a8cf31fd7a2a47b4004623f1c8b74cb8f5d6ae110bef134a

  • SHA512

    8c8aa5e51f22fc9f3edf3c292b535963745599833b2041746141467a3a490ba92274dfafa27b2d896639a3ca25740261779c129c20e004daa0ea56e6937c66d8

  • SSDEEP

    49152:ipUPP9qhCxzT+WKjSXsE6wsGjXZq5+iLirfmiiiiiiiiiQg7Xgnct6NymxAiOYUI:ipUCQHsWPieI5tjT

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 11 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\8GMgV5a1fsLKxv.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3480
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3032
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 889EE6A41CB6D800B95CDA44EA981E0F
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:4348
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:4940
      • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\files\vlc.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\files\vlc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3508
        • \??\c:\temp\Autoit3.exe
          "c:\temp\Autoit3.exe" c:\temp\script.au3
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:1640
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\." /SETINTEGRITYLEVEL (CI)(OI)LOW
        3⤵
        • Modifies file permissions
        PID:4744
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\files.cab

    Filesize

    1.0MB

    MD5

    290f6f2bc920cd0aa848ef58ce45b19e

    SHA1

    a7fb670800f76eee4807225e893b31ac5b9df822

    SHA256

    496d4b38db0b5c5e1c6344817714f0a9feee9975d0db4ec335d85d217a529567

    SHA512

    cd15483f6a4fbf387375646c1792065794276693059054156638283194f2b353624ec207d15a85135d77d29076dbc1589b48ff1a4b67605cd2f0d1f2159ff036

  • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\files\libvlc.dll

    Filesize

    68KB

    MD5

    d8fb51c4274b63b3c8fe48d3ccf104d0

    SHA1

    a5754c814921a4055cd50d10c7d6ad32a2d9dd83

    SHA256

    d3e3d49f51b9f8b946fc021b00900e209dc9b32b1f67389445bf92fc468bdb65

    SHA512

    853ca0fa0b4e782f256efd11ca68cc930290e7679cb48cccc2539841d38e8a3e08d537076b5a126ac1b20a557cb152bb952b0b15c1507e77e54416b2fc4a1cbb

  • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\files\libvlc.dll

    Filesize

    159KB

    MD5

    8c60c871438cd49be12ed482ff7b2d6e

    SHA1

    a17864640f9d5c3c2c67f01ac1e60b1571d93db9

    SHA256

    6c2978c78566ae347da23acecbf0298d7acf08b514b74d6dc4ce668f4333d9b0

    SHA512

    2145e1d8390cd66fad953f418b8d7dba24a78e0ee7c22308a52faae07610f71c1c8a87ad46dc3023f6b19dbf4d19af03f42d8cfe1c645b0e844c3a6b3bedd42b

  • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\files\sqlite3.dll

    Filesize

    111KB

    MD5

    f9d8abe2d1e9d2749bda46d707ad3569

    SHA1

    95e6ca11adc2f19e5a924de8f9a703cebe7397ef

    SHA256

    7877f9d35aa4b95d56d1bdf03a6c99168d28d013456a32132d3104bb7eb80bf1

    SHA512

    b7ee8422fbc3eb9b3e262ce0b10222d8395c0ab773a3b398989aa9956a3a1674319f10a259320c8334f683d5b3fe7acb0f16c2600a2c5f341674810a8fdc7f0c

  • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\files\vlc.exe

    Filesize

    100KB

    MD5

    35344cbe2f4a2106ceb3b085c9cbacd4

    SHA1

    2beabe51070dddccf9bd038a638e5533e9bdb8c1

    SHA256

    00510b9e95fdf5de2ba453617f44579b47ae6836b54c12290e6909cf836fe57e

    SHA512

    b2a3904b302a8895c13fb148f393ac61bc2cb9889d59c5a22705c2bb9e66908f83ff3e38f0ef3a1056300867046f2ef004f56e4e4eb9b9e12a2b20f4025f45e0

  • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\files\vlc.exe

    Filesize

    126KB

    MD5

    c94c2d22cf889a74d663ec55d84911be

    SHA1

    bf6e1aafb7cc545f869f38dffbcfed2fe1b5485c

    SHA256

    d9502176f02f8c42c74cc0b2e38f2edf4823a3e63756a2cf137b24969dace96c

    SHA512

    a6448d6d6ffbc35307a8c066a82bd5bff35236ca088559c80eb6615ac7d7710f182e097aac1fd2bd5acf4ec8b4f9230c5b3309293ae6a2ee5668c3eb4d755de4

  • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\msiwrapper.ini

    Filesize

    1KB

    MD5

    f0603982a2afa9a86c591732edafefb9

    SHA1

    fa704b7ba6bec0894c4fc3b31f2459c605a3662a

    SHA256

    109acfc5a6e2634f513db77a3abeeb5c9fe312bdeed5afd53b3b53820110fb34

    SHA512

    d1441aff299736502bb40e6c7531d5f82b3ef193d0d1f14d0c303e970660ea18c482025d7e56a0b5fb72b2c9a3f2e0e9550208629b35e82faab38f9c48373ad8

  • C:\Users\Admin\AppData\Local\Temp\MW-248dc0bd-19c6-41de-935a-7dc32edcd683\msiwrapper.ini

    Filesize

    1KB

    MD5

    5f133afa41d19be5fc4e3624942aab23

    SHA1

    14ab5347f1c906b63eb22f7d9b9bc8407cd7e6f5

    SHA256

    ab2a9597833fc8f83a0d049e3a5da343f121e002b9886f88d270c8120ad86a74

    SHA512

    5e72c21d0858ac3246e03344ab36f09e2d3f24a8c9ad783d9c79f71993c3ef73a5066320461fbce45b8c6b370cf7bf2f55801ffcde3e0b3d94b79a8ce0e0a243

  • C:\Windows\Installer\MSI7E48.tmp

    Filesize

    208KB

    MD5

    d82b3fb861129c5d71f0cd2874f97216

    SHA1

    f3fe341d79224126e950d2691d574d147102b18d

    SHA256

    107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c

    SHA512

    244b7675e70ab12aa5776f26e30577268573b725d0f145bfc6b848d2bd8f014c9c6eab0fc0e4f0a574ed9ca1d230b2094dd88a2146ef0a6db70dbd815f9a5f5b

  • C:\temp\Autoit3.exe

    Filesize

    782KB

    MD5

    9486ef9dbcef6bcdf75e491601cf6d1f

    SHA1

    c0b10d5717ddce0d4cb6b5c88d024e0dbf84c5a3

    SHA256

    a294c02d14ce630fd0f7cd251fafc3c5a5e9bbed45f48cf73c806b48ee13c19f

    SHA512

    b91a0e61e2c27cf952c8418aa61d89805ea255bb2e5200181185649622e0477be090ed83c9ba087578f8a7c903228e4e19e8d1f65fabc9c6d2efbed83c590e3e

  • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

    Filesize

    3.9MB

    MD5

    d4092fbcb08db51a757792a0b1e50933

    SHA1

    eb141c7eb4637bebb5498fc85414c3a2048d4f78

    SHA256

    e4264e6930bb25a0bf84b3e857a3a960649325de140d05ce17f1806967a7d9b6

    SHA512

    35ba01275634566de320599f12e293d972e7d2194c385f94faa778716b3c63ff05d918e05130ea0339d7a1be85f972119d70058fbeb330a6e1af4fa294fc79d1

  • \??\Volume{542e36da-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{07f4f5bc-bb29-4e2c-9718-7f8199b8a742}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    114245be6a5f1949f1a8a3397134047d

    SHA1

    ffafca9197be1782b80d1fbfd2c3c615983c8dbe

    SHA256

    e8c83bcd897bbdd30626abb879feb67e856fc9cb4cce303826a8571097474aad

    SHA512

    cbb595a143a08cfbbcbb8afe10c06f592042b1ff3d7d84f48c88b25f3c48bab9fe5dc16d3e4a8afad226b5933374061dff6ffb20b6dfc7c7fb0ea78bd41443bb

  • \??\c:\temp\script.au3

    Filesize

    466KB

    MD5

    b395d416df27709427c17c04725a4c45

    SHA1

    c407d97bdb9bf1cd461fa40c66f261e3f92dd602

    SHA256

    78b3702f5c0f7efdf4598a2284cf3c7b3b51a6ae93a001029290bcc6a97bdc0a

    SHA512

    ec1b985bdb793e1acb9ed95681682ff712e8e518544214b0d648643b28a59c9c8cf6812879ea90a7319bd7853803a6fb3def19c5c897bd61b49c67c73c9c61c3

  • \??\c:\temp\test.txt

    Filesize

    76B

    MD5

    5e21c8ec8315c76c2e60eb1ff99040ca

    SHA1

    5b691e8bcf0967cc2b46aeb6dd7af91d8992ea25

    SHA256

    9e6861ac7aa15474d2d00afd67b2fdec473cf67a13116fddecf1495088e853ba

    SHA512

    ab10cda631047028e9321952430a9f7b1cd9a78cb59c8c192aaa72cc5a95cdeee96ef432f422e11bcddeb72170d97ba0093e29cc0ad07bb78e1c61c571f2553b

  • memory/1640-101-0x0000000004500000-0x00000000054D0000-memory.dmp

    Filesize

    15.8MB

  • memory/1640-102-0x00000000059F0000-0x0000000005D3E000-memory.dmp

    Filesize

    3.3MB

  • memory/1640-103-0x00000000059F0000-0x0000000005D3E000-memory.dmp

    Filesize

    3.3MB

  • memory/3508-88-0x0000017C7FC60000-0x0000017C7FDFE000-memory.dmp

    Filesize

    1.6MB

  • memory/3508-85-0x00007FF765530000-0x00007FF765628000-memory.dmp

    Filesize

    992KB

  • memory/3508-86-0x0000000064370000-0x00000000644FD000-memory.dmp

    Filesize

    1.6MB

  • memory/3508-80-0x0000017C7FC60000-0x0000017C7FDFE000-memory.dmp

    Filesize

    1.6MB