Analysis

  • max time kernel
    200s
  • max time network
    212s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250313-en
  • resource tags

    arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28/03/2025, 13:52

General

  • Target

    SuperViewer Installer/Volume/bin/p2/VC2015Core.msi

  • Size

    1.1MB

  • MD5

    c5040d0c0052fc3afe894c738f278cd9

  • SHA1

    2babd1f36bb856067600fb4da7ca0b0e132ee114

  • SHA256

    bed7a3ff0dd7760a2fd5c9127bb5e7a302ff1438563164a0dcb5b2bc04ca8d53

  • SHA512

    e3c71271cca693f61631494d312e8ffc4087e1d06f59ac7a8c732cdf9ed6436f51bb7a1e813f5017ee5d88204c6fe05bb2be220e14314bdc3b253b9fe55835b2

  • SSDEEP

    24576:ejZ0Xo/3G5y+TQNxshTK+63S3ZgTqGgeSZUf/:ejCf7C2PJg6Uf

Score
6/10

Malware Config

Signatures

  • 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 Program Files directory 4 IoCs
  • Drops file in Windows directory 19 IoCs
  • Loads dropped DLL 11 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\SuperViewer Installer\Volume\bin\p2\VC2015Core.msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4248
  • 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
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5840
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8FC04822B8400510534FD985C1998111 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2708
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3860
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 75A73D791776CC6A4870FD2290E2F031
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:704
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:6080

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e57f1e3.rbs

      Filesize

      14KB

      MD5

      eff936a9672efe8d7259039505b28fec

      SHA1

      ab79f61c4f31e5bd7121bb84d05bf738c54fe4e5

      SHA256

      8b50808f66301125f6ca76fc8d21e83eb508a1d159ccfac03ca2d73cd4617de6

      SHA512

      ecf37cac4d40cc6b7d18bc1dd6e824258988636f1036c73def0ed2a0e0d3e98e00185aa43f5005bb504c863912aacca9b3b80ca60abf67026fcbd4edd7c2dfc7

    • C:\Users\Admin\AppData\Local\Temp\MSIA73C.tmp

      Filesize

      639KB

      MD5

      c6417930af8969f9f2cb431acd76ec89

      SHA1

      d2f2dc9b44f5f79348f7f36091b26a5465ad4f2b

      SHA256

      1b89704532113150fc7a8a06b5367ee26937c346635a860e93662e1fbb5cd79b

      SHA512

      f30d7a5b51f5d866ccabf3e15a45d3b4013e28a9bdaaf2176e8b121fbd4ab41a8e67c059b2ece8db5bc7a0ce043e76bbc4e3f6400fb9cd2886e1ffcd9e65d79b

    • C:\Windows\Installer\e57f1e2.msi

      Filesize

      1.1MB

      MD5

      c5040d0c0052fc3afe894c738f278cd9

      SHA1

      2babd1f36bb856067600fb4da7ca0b0e132ee114

      SHA256

      bed7a3ff0dd7760a2fd5c9127bb5e7a302ff1438563164a0dcb5b2bc04ca8d53

      SHA512

      e3c71271cca693f61631494d312e8ffc4087e1d06f59ac7a8c732cdf9ed6436f51bb7a1e813f5017ee5d88204c6fe05bb2be220e14314bdc3b253b9fe55835b2

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

      Filesize

      24.6MB

      MD5

      f18d0f235afed7d5b94763c28b9cd42b

      SHA1

      4450ca310a2884d975484449bc334176385cd942

      SHA256

      db2dc1c80f534ba2d462c994d4a81dbcd37147d14204ed4449267aad1ad8881e

      SHA512

      f3349f99683355028d03f716802990f8eef40a2976db56e83e7fd7da78a7611c7ac158be34d3daaaebf8573ecf5eb64b4d8054858637af25f1dd683183c78144

    • \??\Volume{4eac8ed7-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{cb742c55-adb3-40c6-ba3c-b180692f142c}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      115a26f00b7ab9af70cc75dd24d3bffb

      SHA1

      9794fb848c94594029f46176e6e5a4eae95f7176

      SHA256

      3c45600fca8a650c35cdad068a55f02547c951aeffb6e8a1cd07f97787f2b4c8

      SHA512

      263e7d6a08bc25dfb71f9495bbfbf5fe7896cad8a41cd564bb41392e6dfc3547f0285286b6b77d4dcfbc47799a3057097edd0797ad624249a8129ba24d8efd3d