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Analysis

  • max time kernel
    95s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2025, 03:26

General

  • Target

    4593c894a43a01d0953bb09d2fa03e0feb994efaf562d4ce07b8d31d01a6c75b.msi

  • Size

    1.9MB

  • MD5

    2410d9594d6eba5993709ca37061dea3

  • SHA1

    68c304fd67d32d3466fe89fb4fb0283914969b50

  • SHA256

    4593c894a43a01d0953bb09d2fa03e0feb994efaf562d4ce07b8d31d01a6c75b

  • SHA512

    886751dc1bc0b904cd045d68d48df4cc34e695142a76a419f8161326d7fcb09fa1ad987355828a2a41dbb382e78e662c2b4b84bf577976adab461a860fe29a6b

  • SSDEEP

    24576:Gt9cpVDhH6GBnZF+e8B8jfJ+YQB1gBcnxl/dHRd/zJ/r:ppRhaynv+e9fJ+R+Bc3pf/zJ/r

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 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 9 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 14 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\4593c894a43a01d0953bb09d2fa03e0feb994efaf562d4ce07b8d31d01a6c75b.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4484
  • 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:3208
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4580
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 36A9F65BC0103396FEB54DFA0E108865
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-3628407a-d551-42cc-af30-00af8f494bf8\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3568
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:752
      • C:\Users\Admin\AppData\Local\Temp\MW-3628407a-d551-42cc-af30-00af8f494bf8\files\install.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-3628407a-d551-42cc-af30-00af8f494bf8\files\install.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2512
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-3628407a-d551-42cc-af30-00af8f494bf8\files.cab

    Filesize

    1.6MB

    MD5

    5a33ddb13353a0b3059f341197b9d6dd

    SHA1

    03f6c968a5142d5a149d0e7f907e551a456647c9

    SHA256

    63e81609f87def0ed7f9d6cdf22df0228e6fabceab2982c15a87390d3eedab8c

    SHA512

    7897011636fd793ce996c39bc98d067821db3623bb289a318faeb0c16af9db4cda10c47288003fdd866bbfcf94e0337d0dab154803d03b530c2fc5f7e6a15b79

  • C:\Users\Admin\AppData\Local\Temp\MW-3628407a-d551-42cc-af30-00af8f494bf8\msiwrapper.ini

    Filesize

    344B

    MD5

    ef016925926f42f3c4c8582af6ca4fa8

    SHA1

    b81cbc4414564a64ceb9c2a076d62564dfdbb394

    SHA256

    846e14f6ef30528c19a31355815e41d4e484ea841af0e82c81e0be5bf6f1e327

    SHA512

    e1aa55b2d92f35c363e7b44ee613196c1c601e92cb7bd210cdf4c9987ea85a4294e041311f999fbccf6f4e402a936635c1b2187df0d9349698591fc11977fce0

  • C:\Users\Admin\AppData\Local\Temp\MW-3628407a-d551-42cc-af30-00af8f494bf8\msiwrapper.ini

    Filesize

    1KB

    MD5

    04b8667806c7be628809fd3bc397bc92

    SHA1

    1ac2dfed5564d2ad73872247e80e2da2868d0628

    SHA256

    9b7498142c00628358154852ea9d928128c61991b8dfee18042898759bacc1b8

    SHA512

    4d6e851412efe9644c693a1b7c776a57c1236ec272ca01667f193f2e4bc75b282502fa8726d8dfad87fec54d1f87cf8eed831b132f84c0fdb8f7e2340a2281ca

  • C:\Users\Admin\AppData\Local\Temp\MW-3628407a-d551-42cc-af30-00af8f494bf8\msiwrapper.ini

    Filesize

    1KB

    MD5

    9d79f2e633408f3c3120dc3e8c93447e

    SHA1

    e2847ecc540d1d354e21cad63e558d8c2b2f5b13

    SHA256

    941d0b8b64209f024d546ef6b022d524e2ea58b53232fb6af9ba41900c0883a9

    SHA512

    14d3e3d8e09572e84032509b2f3b64d4252c8d72f083230cd882bb82cf993d9668c6af9a06a4c6b578b0aa4dc234e22a7ad900d813407eee753c895e7ae354ca

  • C:\Windows\Installer\MSIEFFD.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

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

    Filesize

    24.1MB

    MD5

    38bda5e1e7e96e600350a73a57af1729

    SHA1

    ad0b34443d631de6ecf6b6e9e901540ee50d90a6

    SHA256

    3da150a3382880e6ef0caed46f1ae47c8a3a3b6332d6c8c524e9a060fcd7f65c

    SHA512

    5534304e9e8aa5551f406b7ae7b73dc6094759ada61c415aa503ef23f883d25e2aa3fc0b8ae93e6de278115b7fec397accb7eca8cb4bfc36427f6f3109442cc7

  • \??\Volume{ff55ba41-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f6996c07-73ef-4e70-bfd6-59548d8fcb73}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    3e7503fe50f9bab261590c99479d7704

    SHA1

    978d5fabded696aa82f0eb87b70552cb193b859b

    SHA256

    129a37ecaa4fad5568d63ee345030e3217d755d187c93c00fb8dd4ea47610971

    SHA512

    9db67ff85e42f7d57fa05938ffa91430f0d30b32ebac7578f2807493dc1b4daaa03c679cfc0661e4b4f1c92ed2e40418dfed27c9663981b3f0af6efa14b4fe8c