Analysis

  • max time kernel
    133s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-04-2024 12:49

General

  • Target

    vcredist2015_2017_2019_2022_x64.exe

  • Size

    24.2MB

  • MD5

    a8a68bcc74b5022467f12587baf1ef93

  • SHA1

    046f00c519900fcbf2e6e955fc155b11156a733b

  • SHA256

    1ad7988c17663cc742b01bef1a6df2ed1741173009579ad50a94434e54f56073

  • SHA512

    70a05bde549e5a973397cd77fe0c6380807cae768aa98454830f321a0de64bd0da30f31615ae6b4d9f0d244483a571e46024cf51b20fe813a6304a74bd8c0cc2

  • SSDEEP

    393216:Dwlp+dkBSuF2SfUfn6+eDl2ugjMoA+hxV33wsBH+Jh+5l+BvlOchteAHYhx9vy:DMp+Ty2SfUfnxk/kpsjlOchcEu2

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\vcredist2015_2017_2019_2022_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\vcredist2015_2017_2019_2022_x64.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\Temp\{88F06D16-10DE-4028-A1A5-84EC2864A34F}\.cr\vcredist2015_2017_2019_2022_x64.exe
      "C:\Windows\Temp\{88F06D16-10DE-4028-A1A5-84EC2864A34F}\.cr\vcredist2015_2017_2019_2022_x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\vcredist2015_2017_2019_2022_x64.exe" -burn.filehandle.attached=540 -burn.filehandle.self=548
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4548
  • 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=1048 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Temp\{88F06D16-10DE-4028-A1A5-84EC2864A34F}\.cr\vcredist2015_2017_2019_2022_x64.exe

      Filesize

      635KB

      MD5

      b73be38096eddc4d427fbbfdd8cf15bd

      SHA1

      534f605fd43cc7089e448e5fa1b1a2d56de14779

      SHA256

      ab1164dcaf6c7d7d4905881f332a7b6f854be46e36b860c44d9eedc96ab6607a

      SHA512

      5af779926d344bc7c4140725f90cddad5eb778f5ca4856d5a31a6084424964d205638815eab4454e0ea34ea56fafca19fadd1eb2779dc6b7f277e4e4ce4b1603

    • C:\Windows\Temp\{8B155C63-FBFF-457A-9514-37D28C7BDC0F}\.ba\logo.png

      Filesize

      1KB

      MD5

      d6bd210f227442b3362493d046cea233

      SHA1

      ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

      SHA256

      335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

      SHA512

      464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

    • C:\Windows\Temp\{8B155C63-FBFF-457A-9514-37D28C7BDC0F}\.ba\wixstdba.dll

      Filesize

      191KB

      MD5

      eab9caf4277829abdf6223ec1efa0edd

      SHA1

      74862ecf349a9bedd32699f2a7a4e00b4727543d

      SHA256

      a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

      SHA512

      45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2