Analysis

  • max time kernel
    132s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2022, 17:57

General

  • Target

    e10beed01b14f522ab9275fb6bbe5fce6dc026ea1d83cfe65d45cdcd96ea85c8.exe

  • Size

    116KB

  • MD5

    683774b1cd0fb79403bd06e857664ec8

  • SHA1

    0ee60452ea9e57241d9655a3d77681f97d894608

  • SHA256

    e10beed01b14f522ab9275fb6bbe5fce6dc026ea1d83cfe65d45cdcd96ea85c8

  • SHA512

    a0d3684c4ab0cec7d0472ee318b762e97ab06036a27e68ddbfbe27a9bf562985185031ce802164a509d3afac3cc36ef283f37348d2bf7aed9a2027ba5c6cd134

  • SSDEEP

    1536:JxqjQ+P04wsmJCplsKumctslepFTJaHOAo51PfTXsMTKF3Kh:sr85ClumctsAJxZYU

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Program Files directory 26 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e10beed01b14f522ab9275fb6bbe5fce6dc026ea1d83cfe65d45cdcd96ea85c8.exe
    "C:\Users\Admin\AppData\Local\Temp\e10beed01b14f522ab9275fb6bbe5fce6dc026ea1d83cfe65d45cdcd96ea85c8.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e10beed01b14f522ab9275fb6bbe5fce6dc026ea1d83cfe65d45cdcd96ea85c8.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e10beed01b14f522ab9275fb6bbe5fce6dc026ea1d83cfe65d45cdcd96ea85c8.exe"
      2⤵
      • Executes dropped EXE
      PID:3372

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\e10beed01b14f522ab9275fb6bbe5fce6dc026ea1d83cfe65d45cdcd96ea85c8.exe

          Filesize

          76KB

          MD5

          d5aac5a90df08c484927ce359ed92ece

          SHA1

          c10256635dcade4c5013cd1ca39677981a73c3f0

          SHA256

          22178209bbc51dd8691b20ee43e74dd4b8da0a51eae9247254ac4be1e5da5dc0

          SHA512

          ec812aaec6edf21329970ac61080a92cc9b073daa38ce72a66e4cf87b99d4bc13ae7b64e6a86e64ab4719f396f7184e3b05f7d3c97ff9aa81e41bacd7c2f0da6

        • C:\Users\Admin\AppData\Local\Temp\3582-490\e10beed01b14f522ab9275fb6bbe5fce6dc026ea1d83cfe65d45cdcd96ea85c8.exe

          Filesize

          76KB

          MD5

          d5aac5a90df08c484927ce359ed92ece

          SHA1

          c10256635dcade4c5013cd1ca39677981a73c3f0

          SHA256

          22178209bbc51dd8691b20ee43e74dd4b8da0a51eae9247254ac4be1e5da5dc0

          SHA512

          ec812aaec6edf21329970ac61080a92cc9b073daa38ce72a66e4cf87b99d4bc13ae7b64e6a86e64ab4719f396f7184e3b05f7d3c97ff9aa81e41bacd7c2f0da6