Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 01:25

General

  • Target

    DowloadX.exe

  • Size

    2.0MB

  • MD5

    c24b993d6ac519ab2ddf590710ddbb13

  • SHA1

    8e0629da1cbaf775b28682732bea82458c3f4e1c

  • SHA256

    0da0ce6849d2c36b47b6d2977926eeeed2175738e81efafd0e741119dfc40e69

  • SHA512

    124abad84c76795a516b3c5dca47d65bae45fff8a0e3a9401d2d4ee394f79ff5cc2897a7ff2305bcb87a90f2c609cc0a982467edb30b22adc4d2e2e5bc702ecd

  • SSDEEP

    49152:C3KvQkszfZZg2+ey/BZoz4AbR+quBeWaNHhot3iFxQ:C6sNl+pBZWVyBeWapm+xQ

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DowloadX.exe
    "C:\Users\Admin\AppData\Local\Temp\DowloadX.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:2676
  • 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 --field-trial-handle=4268,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
    1⤵
      PID:456

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\rbtewfvr.exe

      Filesize

      13KB

      MD5

      9be1a62473957b81339974b975689c93

      SHA1

      f8aa3105d3e332ff97dae8fffdd5cb5df0e6d455

      SHA256

      96e1f25ee8ccae23d8e63d98b4702f41d75aab870cc57182ac7320e48fc48d63

      SHA512

      cb2836d29ddd62c28d634d35340f1af925768402b39291e843e51d181031763936e9065169207b77ff7cc3c046f127e6f0e30d0ad324b7932d59aef75c8ae093

    • C:\Users\Admin\AppData\Roaming\rtgrefedewd.exe

      Filesize

      13KB

      MD5

      5a98ce9af4820312096fbbd1d07189e3

      SHA1

      d8eab6b04b5ce06d4f9f16368138669874f2ca5c

      SHA256

      1781cb8a9ca576315e629b60ff98d5e2ca30525a2fdd0c9beb6f8869be7fffaa

      SHA512

      da94a93f7d8bdb44d10dafd14284109e1a221491a8033067a36f2d48e250b74691e399191a297f5d6a71b6d8d48a9b6aa090c73884afdeed2a66db67a5995b73

    • memory/2676-18-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-7-0x0000000009E00000-0x0000000009E01000-memory.dmp

      Filesize

      4KB

    • memory/2676-0-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-19-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-6-0x0000000009E30000-0x0000000009E31000-memory.dmp

      Filesize

      4KB

    • memory/2676-4-0x0000000009E50000-0x0000000009E51000-memory.dmp

      Filesize

      4KB

    • memory/2676-3-0x0000000009DB0000-0x0000000009DB1000-memory.dmp

      Filesize

      4KB

    • memory/2676-2-0x0000000009E20000-0x0000000009E21000-memory.dmp

      Filesize

      4KB

    • memory/2676-10-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-11-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-12-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-13-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-14-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-15-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-16-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-17-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-8-0x0000000009F70000-0x0000000009F71000-memory.dmp

      Filesize

      4KB

    • memory/2676-20-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-9-0x0000000000401000-0x000000000045D000-memory.dmp

      Filesize

      368KB

    • memory/2676-25-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-26-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-27-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-28-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-29-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-30-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-31-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-32-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-5-0x0000000009E10000-0x0000000009E11000-memory.dmp

      Filesize

      4KB

    • memory/2676-43-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-44-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-45-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-46-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-1-0x0000000077B14000-0x0000000077B16000-memory.dmp

      Filesize

      8KB

    • memory/2676-58-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-59-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB

    • memory/2676-60-0x0000000000400000-0x0000000000902000-memory.dmp

      Filesize

      5.0MB