Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 15:41

General

  • Target

    46cdcec099a3a6239f4a33dffc243ce0N.exe

  • Size

    304KB

  • MD5

    46cdcec099a3a6239f4a33dffc243ce0

  • SHA1

    16971661c55b4f5f036b4a290bade284fa4c0a91

  • SHA256

    adefa7859c8807d553fdcd6bc7ebe74674bb0c36d1626250176ed1d05806f8c1

  • SHA512

    80c00873dca22c5b599da15fef1a564759b41d070dffcfed2c4feaff09a627224aeecb815f4793fae1e0b36a0063556e8556168de2aa56dca8e8b9f0e05d6094

  • SSDEEP

    3072:rPGOaEaAaTG0kZSmA23oxqc+GnMop2aEaLFra+7pvPSvzDo:E4AoQtnylaRSg

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46cdcec099a3a6239f4a33dffc243ce0N.exe
    "C:\Users\Admin\AppData\Local\Temp\46cdcec099a3a6239f4a33dffc243ce0N.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\waofo.exe
      "C:\Users\Admin\waofo.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4380
  • 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 --field-trial-handle=4468,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:8
    1⤵
      PID:4492

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\waofo.exe

            Filesize

            304KB

            MD5

            d48226be472b6ad7952bba8b33be2cbd

            SHA1

            ac8b15b1a3266af9c386847ed679858de98fe8f8

            SHA256

            6760b736f493c55ecbf1ea74588fd36771c440ffb634ac78dfa3ad39b5c44af4

            SHA512

            38501bb84ba6ef237c192bacb38b3aa63ed0b88d419c2c52b334449bcffef9115ac9e7e9e72aff82fe905af091ae582f9b9bd96d301b16427b8907d6bf90e99b