Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 17:30

General

  • Target

    a9bf01a31f1e37fac92fbc65e4fec28d.exe

  • Size

    4.8MB

  • MD5

    a9bf01a31f1e37fac92fbc65e4fec28d

  • SHA1

    a80ee0267fb407b72524309cb8b03c0c73df2203

  • SHA256

    481fc4fed3111354d954a54397d5d89d7f23619f0df7d26694feba91be35adf3

  • SHA512

    4e975b89e7703451f96ceb37d26d18c67d32d6dd57caf0f7aa369ee8de50cbfb598ffaaaf510800b05b21897a22344f189880f12baa3fdad41750d3d81e8f5da

  • SSDEEP

    98304:PX4PhUbYHcCFQEtF/YRjXr1RomZb1kcCg22yazx14:vuhzHcCFQ6F/AXJR/Zb10b2ya0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9bf01a31f1e37fac92fbc65e4fec28d.exe
    "C:\Users\Admin\AppData\Local\Temp\a9bf01a31f1e37fac92fbc65e4fec28d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\Temp\is-MVEQT.tmp\a9bf01a31f1e37fac92fbc65e4fec28d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MVEQT.tmp\a9bf01a31f1e37fac92fbc65e4fec28d.tmp" /SL5="$9020E,4323845,721408,C:\Users\Admin\AppData\Local\Temp\a9bf01a31f1e37fac92fbc65e4fec28d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Program Files (x86)\Et\minus\Aliquid.exe
        "C:\Program Files (x86)\Et/\minus\Aliquid.exe" 545ee349e5451cfc13f225262ab4fb09
        3⤵
        • Executes dropped EXE
        PID:3160
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3688 --field-trial-handle=3112,i,1786399861560734457,5606877702857066305,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1460

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Et\minus\Aliquid.exe

      Filesize

      4.6MB

      MD5

      4804c5eb0d76bf05ada343c94b4e3238

      SHA1

      4533056cc1db73c8ea09f9409d98902ae6393e6a

      SHA256

      889ecb8ac7ab05b93bfb6d658c6d20065de79c6d9ef3f9fb20ab44434ee75014

      SHA512

      23ef48e7940fdbb4e76c27503ee3371399cde11f41a01856c6c350d3ecaa2a8d189d862b88981e529b7067384b689cc1f20d42ef27f770f80f68b037b771d208

    • C:\Users\Admin\AppData\Local\Temp\is-C8E4I.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-MVEQT.tmp\a9bf01a31f1e37fac92fbc65e4fec28d.tmp

      Filesize

      2.4MB

      MD5

      3fddfbaa9d029821152e746edbabf7ce

      SHA1

      703690b3a2377047f6755e9b5274d608791b8062

      SHA256

      787cef456bd60075199c04ac38dd5e65291bd3a930b132538889e4dafb76fa1a

      SHA512

      fd50e763c6523022f1be02a6a690d2a2dec4e9a73c941314b4a810bbd7605d4058c5c49c53dcbdd8fde5e6c4d2c78fcec52b5bca087cbf552bc1ce90819c4903

    • memory/1572-6-0x0000000002780000-0x0000000002781000-memory.dmp

      Filesize

      4KB

    • memory/1572-63-0x0000000000400000-0x0000000000679000-memory.dmp

      Filesize

      2.5MB

    • memory/1572-68-0x0000000002780000-0x0000000002781000-memory.dmp

      Filesize

      4KB

    • memory/3160-59-0x0000000000400000-0x00000000016AC000-memory.dmp

      Filesize

      18.7MB

    • memory/3160-60-0x0000000000400000-0x00000000016AC000-memory.dmp

      Filesize

      18.7MB

    • memory/3160-61-0x00000000042E0000-0x00000000042E1000-memory.dmp

      Filesize

      4KB

    • memory/3160-64-0x0000000000400000-0x00000000016AC000-memory.dmp

      Filesize

      18.7MB

    • memory/3628-1-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/3628-62-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB