Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 20:10

General

  • Target

    fbd4e28b61c2dca9b78aa6b1938ac3c02e36d85c59aae48e67dd9bd0624a33d5.exe

  • Size

    488KB

  • MD5

    01675817401cdc4ed1d73dbc02122580

  • SHA1

    3c440e56b937d05ab22c0b6185f87af553e96a65

  • SHA256

    fbd4e28b61c2dca9b78aa6b1938ac3c02e36d85c59aae48e67dd9bd0624a33d5

  • SHA512

    70fdb680824e9fb1b7b392332e2cb2f6f07cefc63038680c3835033c735c390bba01bbea2b3cfc89129494fa376a550d859d88526f15bf0b842d164c0a4e1ebc

  • SSDEEP

    12288:NUjousN/fT7hzY+4KkAqNuD1jEOLxo9ulKzh:NMNe/fT9zLbkAqA1jEbph

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.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbd4e28b61c2dca9b78aa6b1938ac3c02e36d85c59aae48e67dd9bd0624a33d5.exe
    "C:\Users\Admin\AppData\Local\Temp\fbd4e28b61c2dca9b78aa6b1938ac3c02e36d85c59aae48e67dd9bd0624a33d5.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:924
    • C:\Users\Admin\AppData\Local\Temp\3582-490\fbd4e28b61c2dca9b78aa6b1938ac3c02e36d85c59aae48e67dd9bd0624a33d5.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\fbd4e28b61c2dca9b78aa6b1938ac3c02e36d85c59aae48e67dd9bd0624a33d5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4804

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\fbd4e28b61c2dca9b78aa6b1938ac3c02e36d85c59aae48e67dd9bd0624a33d5.exe

          Filesize

          448KB

          MD5

          7b5bdeac33e59d2a267cd3768ab3ef61

          SHA1

          1b105eb76ec782b4ffee2eec3198a6bfac4f5a1a

          SHA256

          9840948f3fde476d637c272f188a4b4f72073f4247d2aa39e707598143211cc5

          SHA512

          0cea98410e83a34bee630e39613441bac50b323fb266707c6e86b217a10038dce23015ff519bfce1d12447fcf9e5d6d30bf127f0cb793d2ebd844aef82e2099f

        • C:\Users\Admin\AppData\Local\Temp\3582-490\fbd4e28b61c2dca9b78aa6b1938ac3c02e36d85c59aae48e67dd9bd0624a33d5.exe

          Filesize

          448KB

          MD5

          7b5bdeac33e59d2a267cd3768ab3ef61

          SHA1

          1b105eb76ec782b4ffee2eec3198a6bfac4f5a1a

          SHA256

          9840948f3fde476d637c272f188a4b4f72073f4247d2aa39e707598143211cc5

          SHA512

          0cea98410e83a34bee630e39613441bac50b323fb266707c6e86b217a10038dce23015ff519bfce1d12447fcf9e5d6d30bf127f0cb793d2ebd844aef82e2099f

        • memory/4804-135-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB