Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/04/2024, 19:06

General

  • Target

    E0C39D4B66B520833779FC3CEA0A91C12426B621B09B3.exe

  • Size

    1.5MB

  • MD5

    d8a7d52abd431beda270a39284a27f04

  • SHA1

    e5025cff3cf12bb828aa80a0eca5f7312609df74

  • SHA256

    e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45

  • SHA512

    866bdc7569caebe08885f949a2855fe9b73194f01cdabb4319867ea712e55e603834dd2ee86a860f1fdbd3417bcd6b8244ceaea8ddc48f4dd5f71a07307be28e

  • SSDEEP

    12288:ARrsxu66lUHDFLLiqt64WChvDrqE+Oyt1g/yYotka+ABEwqU4DQvxdH3S7XJbTWC:AR86YxKsRhHqE3i/qU1LZY7Zt0TtcX

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\E0C39D4B66B520833779FC3CEA0A91C12426B621B09B3.exe
    "C:\Users\Admin\AppData\Local\Temp\E0C39D4B66B520833779FC3CEA0A91C12426B621B09B3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\settinng.exe
      "C:\Users\Admin\AppData\Local\Temp\settinng.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\settinng.exe" "settinng.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4524
  • 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=3716 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4832

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\settinng.exe

            Filesize

            1.5MB

            MD5

            d8a7d52abd431beda270a39284a27f04

            SHA1

            e5025cff3cf12bb828aa80a0eca5f7312609df74

            SHA256

            e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45

            SHA512

            866bdc7569caebe08885f949a2855fe9b73194f01cdabb4319867ea712e55e603834dd2ee86a860f1fdbd3417bcd6b8244ceaea8ddc48f4dd5f71a07307be28e

          • memory/2252-0-0x0000000074CA0000-0x0000000075251000-memory.dmp

            Filesize

            5.7MB

          • memory/2252-1-0x0000000074CA0000-0x0000000075251000-memory.dmp

            Filesize

            5.7MB

          • memory/2252-2-0x0000000001150000-0x0000000001160000-memory.dmp

            Filesize

            64KB

          • memory/2252-17-0x0000000074CA0000-0x0000000075251000-memory.dmp

            Filesize

            5.7MB

          • memory/2320-16-0x00000000012B0000-0x00000000012C0000-memory.dmp

            Filesize

            64KB

          • memory/2320-15-0x0000000074CA0000-0x0000000075251000-memory.dmp

            Filesize

            5.7MB

          • memory/2320-18-0x0000000074CA0000-0x0000000075251000-memory.dmp

            Filesize

            5.7MB

          • memory/2320-20-0x00000000012B0000-0x00000000012C0000-memory.dmp

            Filesize

            64KB

          • memory/2320-21-0x0000000074CA0000-0x0000000075251000-memory.dmp

            Filesize

            5.7MB