Analysis

  • max time kernel
    95s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 02:39

General

  • Target

    2220944d9985a6843374f41b835a9825.msi

  • Size

    272KB

  • MD5

    2220944d9985a6843374f41b835a9825

  • SHA1

    1929c4c64ea4cc18608eaf6140d1b28fa98d7ed3

  • SHA256

    3d5d3eb3853ff82697da75cf6da041f61f72e06d686010a02d52ebaa63ddca65

  • SHA512

    f1ec6f41d5b9ed14885df6e090a77b06c10f2e61ed36525dfd4e953a61c948da8271c2ea5e29dd5fcdba62e2acc218e74b71312e3ef30c54a87b387534e2c816

  • SSDEEP

    6144:5EtTqjFaFtV9KoA68Atd/Tdle0U0gCKTkn9om07/6s2eD5HG:5E9fN26ZtLlDGCos9ofis2gH

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 Windows directory 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • NSIS installer 2 IoCs
  • 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 57 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\2220944d9985a6843374f41b835a9825.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4208
  • 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:4428
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3744
    • C:\Windows\Installer\MSIE30E.tmp
      "C:\Windows\Installer\MSIE30E.tmp"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4108
      • C:\Windows\Installer\MSIE30E.tmp
        "C:\Windows\Installer\MSIE30E.tmp"
        3⤵
          PID:4468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 812
          3⤵
          • Program crash
          PID:3040
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4108 -ip 4108
      1⤵
        PID:2520

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nscE438.tmp\System.dll

        Filesize

        10KB

        MD5

        56a321bd011112ec5d8a32b2f6fd3231

        SHA1

        df20e3a35a1636de64df5290ae5e4e7572447f78

        SHA256

        bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

        SHA512

        5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

      • C:\Windows\Installer\MSIE30E.tmp

        Filesize

        245KB

        MD5

        4613cbcf3184897a7dcfbe0569303863

        SHA1

        9b2f4c444cfbb5914299c7f44d867c1dcdf8c7cc

        SHA256

        b6845befbaf2db54214bf388d650636f2ea251289131751f1735779007ea2334

        SHA512

        906f4f5fb0af20d5471d4f01ed6ecff952153ee355bc252d4d206b9f5e6f97db8b5df83d5e0a5fb56fd38bf117f44bb60a419873a370f3392fe3ae2ba5a40dcd

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

        Filesize

        24.1MB

        MD5

        d88cd47dbc2d7fad71ba3d7e6340c225

        SHA1

        4c44b2ea2b7f6ea6ea9bf8f9d5d78868d330b2bb

        SHA256

        c7a724861b5347b13d4ca33ab43ca0d776ec47f122961afc29a74ac43246cb6e

        SHA512

        80943c6a40de40d25daadedaa21ace00bdd697cffd6d6592262b1dbb1f8d8932827ec8fddf29b2a2dc09f656d7a028e722f08741eea401a70a3daee7154d6334

      • \??\Volume{ff55ba41-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f6cf4a5c-e3f1-486f-998f-ed8362b5e257}_OnDiskSnapshotProp

        Filesize

        6KB

        MD5

        5cf733fb20f1ee38a30df147dcdb610e

        SHA1

        7177e39b03a8fd276397e2c1a6b653e84edf5808

        SHA256

        89e7d0ca86c37285cca917931f350a9be7833dbcb3424c28c25b31c39e546562

        SHA512

        fe036a96fcbe51d7bfee5642d369ef496e7ae51c18bb54018717d32d297d31ef684e369b362957e87cc2564f375ebdcc65f101ae5a34e6d009aaf49b106a9e30