Analysis

  • max time kernel
    127s
  • 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
    09-05-2024 02:46

General

  • Target

    af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe

  • Size

    145KB

  • MD5

    8d3fd510ecfb8a4fe1266fa96b935ca9

  • SHA1

    c84f8f5a8045d4bdab49546f066a9f6bbbbb07b2

  • SHA256

    af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31

  • SHA512

    fd5198ff3f661b08974cfabe02f32377c1bd20098a16ad8bc7ab526779c450eff2b2fa3d0e8fca48ecbaac761a2e023b7febb783df8a4da91ed020b8eadc5774

  • SSDEEP

    1536:CTWn1++PJHJXA/OsIZfzc3/Q1pkMJ+ZGtK1+ZGtKQNMdTajOtGtU1wAIuZAIuJz:KQSo1EZGtKgZGtK/PgtU1wAIuZAIuR

Score
9/10

Malware Config

Signatures

  • Renames multiple (594) 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\af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe
    "C:\Users\Admin\AppData\Local\Temp\af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2964
  • 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=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2492

    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

      145KB

      MD5

      a1a837709e3dc21776a5b09cac0ec538

      SHA1

      8a50e6f4b3b68a8279ae7552c084679e89041f01

      SHA256

      74a798ac7e101d1efdee8449353d59329103032548fe6292dcdc2dc6f609fe4a

      SHA512

      221bc4ee92749339d840042adb5c4cd5db13a54896b17349ecea76b67dd510e69d7e5322caf379049fa5cc7bb85e1345600f05c12b8c7be4ebf05592d3e7ea7c

    • C:\libsmartscreen.dll.tmp

      Filesize

      145KB

      MD5

      512a06384a583b68eab9a5cc4bd5defd

      SHA1

      b06ef33154a459d5196bab2703c0de63b419caca

      SHA256

      4a39e9ebb62871bd59e42693ea26b4116bb8f75eae3257382686ec643ac8b146

      SHA512

      3cc86c678a360fa67f66d4c3ae1ad3984879c649fff237874be33e2224c007d2af67eeaf56ebb8053939366c2028012720aa8bd8bf8516a49351f06f6b1db8df

    • memory/2964-0-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/2964-216-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB