Analysis

  • max time kernel
    140s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-04-2024 09:23

General

  • Target

    VC_redist.x86.exe

  • Size

    13.2MB

  • MD5

    9882a328c8414274555845fa6b542d1e

  • SHA1

    ab4a97610b127d68c45311deabfbcd8aa7066f4b

  • SHA256

    510fc8c2112e2bc544fb29a72191eabcc68d3a5a7468d35d7694493bc8593a79

  • SHA512

    c08d1aa7e6e6215a0cee2793592b65668066c8c984b26675d2b8c09bc7fee21411cb3c0a905eaee7a48e7a47535fa777de21eeb07c78bca7bf3d7bb17192acf2

  • SSDEEP

    196608:oRjgvJ2flpQcIIS/Rj7BWl+aV8t8z72BxBwBgO42BE6+2DQlMp1sHW5ZDmCCM0Xr:IgRIlptVYmfr7yBG/4pXMHsHW76CsGE

Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VC_redist.x86.exe
    "C:\Users\Admin\AppData\Local\Temp\VC_redist.x86.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Windows\Temp\{637F1649-DD81-4E8B-B36B-EF94EF6310E4}\.cr\VC_redist.x86.exe
      "C:\Windows\Temp\{637F1649-DD81-4E8B-B36B-EF94EF6310E4}\.cr\VC_redist.x86.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\VC_redist.x86.exe" -burn.filehandle.attached=540 -burn.filehandle.self=648
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3416
  • 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=3280 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Temp\{637F1649-DD81-4E8B-B36B-EF94EF6310E4}\.cr\VC_redist.x86.exe

      Filesize

      634KB

      MD5

      7bd0b2d204d75012d3a9a9ce107c379e

      SHA1

      41edd6321965d48e11ecded3852eb32e3c13848d

      SHA256

      d4c6f5c74bbb45c4f33d9cb7ddce47226ea0a5ab90b8ff3f420b63a55c3f6dd2

      SHA512

      d85ac030ebb3ba4412e69b5693406fe87e46696ca2a926ef75b6f6438e16b0c7ed1342363098530cdceb4db8e50614f33f972f7995e4222313fcef036887d0f0

    • C:\Windows\Temp\{FED9A291-02CC-429E-81B4-29D624CCC534}\.ba\logo.png

      Filesize

      1KB

      MD5

      d6bd210f227442b3362493d046cea233

      SHA1

      ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

      SHA256

      335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

      SHA512

      464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

    • C:\Windows\Temp\{FED9A291-02CC-429E-81B4-29D624CCC534}\.ba\wixstdba.dll

      Filesize

      191KB

      MD5

      eab9caf4277829abdf6223ec1efa0edd

      SHA1

      74862ecf349a9bedd32699f2a7a4e00b4727543d

      SHA256

      a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

      SHA512

      45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2