Analysis

  • max time kernel
    156s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2024, 15:20

General

  • Target

    b90d71911dbeac45c9f94f9f5c2feaad.exe

  • Size

    4.4MB

  • MD5

    b90d71911dbeac45c9f94f9f5c2feaad

  • SHA1

    55f247d96990432cc6108adb7cb15d1e1cb5d2f1

  • SHA256

    3c4cac09378e535330fd9009b77d89ca37492afe130ce03cbaa104450e43402b

  • SHA512

    29a8069f1bec4a4300db4a8348ab6f5b6337f6bd20ce29f25e191ebb8a9343420c8027ee54984baccabf429eca6f4838b027b21fcf7d9f743722eed573ba8ae4

  • SSDEEP

    98304:PX4Ad3TGIbVNnNIyumvwLCc4A8kOJQL5ulMX5yazx14:vT6IbVNnUmoCA8sL56+5ya0

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 21 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\b90d71911dbeac45c9f94f9f5c2feaad.exe
    "C:\Users\Admin\AppData\Local\Temp\b90d71911dbeac45c9f94f9f5c2feaad.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Users\Admin\AppData\Local\Temp\is-3RAQ0.tmp\b90d71911dbeac45c9f94f9f5c2feaad.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3RAQ0.tmp\b90d71911dbeac45c9f94f9f5c2feaad.tmp" /SL5="$D003E,3957391,721408,C:\Users\Admin\AppData\Local\Temp\b90d71911dbeac45c9f94f9f5c2feaad.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:384
      • C:\Program Files (x86)\Nulla\ipsum\Quia.exe
        "C:\Program Files (x86)\Nulla/\ipsum\Quia.exe" 10506b98fc880542ea15f5a05edd8e4a
        3⤵
        • Executes dropped EXE
        PID:1016
  • 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=4832 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4596

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Nulla\ipsum\Quia.exe

      Filesize

      3.2MB

      MD5

      ec7b253aa1c7af2dc9f971aa7f10134a

      SHA1

      25533a380e7db1462e2a83b77330c9d895af0a63

      SHA256

      d5eb1b99a2945f91c2065bf5d9a98433db0f279a24cb2840fd325793c8d648f6

      SHA512

      b2b580b29a6d7dc8152fbf56958f039baa93159410379bb28ebc152277160756116ddafe568b02783b046dabdff9bbcb6585c040c222b82392690e02a3311a29

    • C:\Users\Admin\AppData\Local\Temp\is-3RAQ0.tmp\b90d71911dbeac45c9f94f9f5c2feaad.tmp

      Filesize

      2.4MB

      MD5

      3fddfbaa9d029821152e746edbabf7ce

      SHA1

      703690b3a2377047f6755e9b5274d608791b8062

      SHA256

      787cef456bd60075199c04ac38dd5e65291bd3a930b132538889e4dafb76fa1a

      SHA512

      fd50e763c6523022f1be02a6a690d2a2dec4e9a73c941314b4a810bbd7605d4058c5c49c53dcbdd8fde5e6c4d2c78fcec52b5bca087cbf552bc1ce90819c4903

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

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/384-53-0x0000000000400000-0x0000000000679000-memory.dmp

      Filesize

      2.5MB

    • memory/384-6-0x0000000000C50000-0x0000000000C51000-memory.dmp

      Filesize

      4KB

    • memory/384-57-0x0000000000C50000-0x0000000000C51000-memory.dmp

      Filesize

      4KB

    • memory/1016-49-0x0000000000400000-0x00000000015DC000-memory.dmp

      Filesize

      17.9MB

    • memory/1016-51-0x0000000000400000-0x00000000015DC000-memory.dmp

      Filesize

      17.9MB

    • memory/1016-52-0x0000000001970000-0x0000000001971000-memory.dmp

      Filesize

      4KB

    • memory/1016-55-0x0000000000400000-0x00000000015DC000-memory.dmp

      Filesize

      17.9MB

    • memory/1016-60-0x0000000000400000-0x00000000015DC000-memory.dmp

      Filesize

      17.9MB

    • memory/1016-90-0x0000000000400000-0x00000000015DC000-memory.dmp

      Filesize

      17.9MB

    • memory/4232-50-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/4232-1-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB