Analysis

  • max time kernel
    12s
  • max time network
    15s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 14:21

General

  • Target

    x64_x32_installer__v4.3.5.msi

  • Size

    34.2MB

  • MD5

    c864f211a0c12446583e7b200b7d5d7d

  • SHA1

    0919ef1b3f8b3bcd981f4e9eb6607860e128e989

  • SHA256

    4fa81d2cf99c324146974fb8a3000c9e0df870fd7f97fbf8a2f2fcdbb339acc9

  • SHA512

    e3506504b779605198bbe70473758b8ca04a24d47504da7ed24d8d048a2ab72b01f1011eaded3b70eeff371dae4f48382735c5cf80e18370f3a5e546062f4f3d

  • SSDEEP

    786432:it9KUyTDXySTjxA4Ztx2+G+N0WYQYBXPByttH+dktHEDv0y8YBf:it9m7xVLYjsp+ikJ8YB

Malware Config

Signatures

  • Blocklisted process makes network request 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 15 IoCs
  • Loads dropped DLL 7 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\x64_x32_installer__v4.3.5.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1676
  • 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:3760
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 256F5E76F61589FC68FD3547DF265AEA
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:536

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Config.Msi\e57b73d.rbs

          Filesize

          25KB

          MD5

          50107a4d73f4e873babfbb93f36b4780

          SHA1

          0e147334544e99db137ea7c47e20731a6c178ac7

          SHA256

          814620b8e6421c39dc795cecda7caca55734b3841be24c7d0ddc3e9fd536f310

          SHA512

          705e0fb905cbca243bceb692cb456d88e89581686ce001865865eb8eae086b1d15054d860f2dafb4077b3a0c98ef8dd76223aca672f8daf464e131b2640dad0d

        • C:\Windows\Installer\MSIB7B7.tmp

          Filesize

          738KB

          MD5

          b158d8d605571ea47a238df5ab43dfaa

          SHA1

          bb91ae1f2f7142b9099e3cc285f4f5b84de568e4

          SHA256

          ca763693cc25d316f14a9ebad80ebf00590329550c45adb7e5205486533c2504

          SHA512

          56aef59c198acf2fcd0d95ea6e32ce1c706e5098a0800feff13ddb427bfb4d538de1c415a5cb5496b09a5825155e3abb1c13c8c37dc31549604bd4d63cb70591

        • C:\Windows\Installer\MSID017.tmp

          Filesize

          364KB

          MD5

          54d74546c6afe67b3d118c3c477c159a

          SHA1

          957f08beb7e27e657cd83d8ee50388b887935fae

          SHA256

          f9956417af079e428631a6c921b79716d960c3b4917c6b7d17ff3cb945f18611

          SHA512

          d27750b913cc2b7388e9948f42385d0b4124e48335ae7fc0bc6971f4f807dbc9af63fe88675bc440eb42b9a92551bf2d77130b1633ddda90866616b583ae924f

        • C:\Windows\Installer\e57b73a.msi

          Filesize

          34.2MB

          MD5

          c864f211a0c12446583e7b200b7d5d7d

          SHA1

          0919ef1b3f8b3bcd981f4e9eb6607860e128e989

          SHA256

          4fa81d2cf99c324146974fb8a3000c9e0df870fd7f97fbf8a2f2fcdbb339acc9

          SHA512

          e3506504b779605198bbe70473758b8ca04a24d47504da7ed24d8d048a2ab72b01f1011eaded3b70eeff371dae4f48382735c5cf80e18370f3a5e546062f4f3d