Analysis

  • max time kernel
    155s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2022, 21:17

General

  • Target

    6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe

  • Size

    211KB

  • MD5

    66ba8fa11909bf72550c1565722150f0

  • SHA1

    4f12004410ee57c4a8c7f53a30f44d09afc61c75

  • SHA256

    6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a

  • SHA512

    6ef0a7974c281104c006c26e6b87118d899c02cce90d6c4a365c3cc4e6b4069418d521481ccd8465fb20284b3135991fec4e8253cb00473761ab7e7cf269ca80

  • SSDEEP

    3072:sr85CG5uUwV2ri9GVayUiG5S9p2xcr37atd6dBZDgJwN1x9Gmb6kxy5yGp:k94Ti9GVRUi99p2g7aKFTVbDxyku

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 14 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\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe
    "C:\Users\Admin\AppData\Local\Temp\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.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:2484
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe"
      2⤵
      • Executes dropped EXE
      PID:4964

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe

          Filesize

          171KB

          MD5

          a2d1f2ffbbdbcfced7a18e17d995af87

          SHA1

          29cff6fbcb15dc588816363ca2f1913101298c75

          SHA256

          641c4b452815631fc53e73f8da431b4735dba64c9b05134241b148d5808d6713

          SHA512

          a8915bc5baa39905f8c5c5e4cb841b0aa3da80dd783993b6800e740a3a4c8a30e7b8760347f4ed2ba08d38fff087443022679ca4cd468787c2c23b7045965859

        • C:\Users\Admin\AppData\Local\Temp\3582-490\6825cd859cdc0520df0a9e12df4127ccbc6b9bf0a8800fe2e927942466032a2a.exe

          Filesize

          171KB

          MD5

          a2d1f2ffbbdbcfced7a18e17d995af87

          SHA1

          29cff6fbcb15dc588816363ca2f1913101298c75

          SHA256

          641c4b452815631fc53e73f8da431b4735dba64c9b05134241b148d5808d6713

          SHA512

          a8915bc5baa39905f8c5c5e4cb841b0aa3da80dd783993b6800e740a3a4c8a30e7b8760347f4ed2ba08d38fff087443022679ca4cd468787c2c23b7045965859