Analysis

  • max time kernel
    158s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2024 00:12

General

  • Target

    7515ad4c424843b37987138e66ac9eaef94197aaab289daf111c1c61ddc5d881.exe

  • Size

    137KB

  • MD5

    239e3d94003a81408cc7a9b682439604

  • SHA1

    232b68f12ad0482350d1b9e08f613e22568e1f5c

  • SHA256

    7515ad4c424843b37987138e66ac9eaef94197aaab289daf111c1c61ddc5d881

  • SHA512

    964ecf78a76525ea5ebbbe8039d286d6d8215783aa298d6e16732ecd3c7432a4ddd43c2da26345c134245537f0bf1cfc9144ead6b7e10ed1c01bbe996f7faae6

  • SSDEEP

    1536:a7ZyqaFAlsr1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSM:enaym3AIuZAIuYSMjoqtMHfhfK

Score
9/10

Malware Config

Signatures

  • Renames multiple (870) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7515ad4c424843b37987138e66ac9eaef94197aaab289daf111c1c61ddc5d881.exe
    "C:\Users\Admin\AppData\Local\Temp\7515ad4c424843b37987138e66ac9eaef94197aaab289daf111c1c61ddc5d881.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2356
  • 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=3768 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1376

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.tmp
      Filesize

      138KB

      MD5

      e92a60dc5f6b51d86216b9e7f19502f2

      SHA1

      b4f669c510d3a4861e9fcc645e0dae179a8d84c3

      SHA256

      78a5a7235cf9a5cd5e92e489dbd4dca8c3e3b06345dfd50a54470cd0c8300989

      SHA512

      6c5037deb24e96726270c123c20840bd43735cedc9ff36a34dfc7e05e42e859ce2bf32620addedf43b8ce2389cdace4cf1740a3baa0d3b4c7c0dd102c8c32c0a

    • C:\libsmartscreen.dll.tmp
      Filesize

      137KB

      MD5

      3cd50fdfce4696a4446b71e7f8f20095

      SHA1

      aad2b330dc9fbb6692788d6bd3d78631d6aa81fc

      SHA256

      4134c7b9c695bd232de3b53549917c109b9a4733b62a894d4522a20c74c48904

      SHA512

      e04f014d33ac98d4f6381a5f795d23fdb24a8930bfff60948f17b6a590e5c0978d0ca586f4ac5c8f46c0d7bbd3f25a9e269ce8fb631f54605019756e285d95f5

    • memory/2356-0-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/2356-250-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB