Analysis

  • max time kernel
    144s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2022 09:38

General

  • Target

    05c54682ac583c6c89945dff45b14470d148b7a27545d8fa06dd20c80e18fe72.exe

  • Size

    884KB

  • MD5

    c2d46cdb9202baf21719d2c124dd138c

  • SHA1

    3318e7d342cb6ef2843dbd174dc388fd505cdc5e

  • SHA256

    05c54682ac583c6c89945dff45b14470d148b7a27545d8fa06dd20c80e18fe72

  • SHA512

    efe7e9f7ac01122a13da339823bf591ec465c58e393e717ab1b7583a5ce7977ae043f4dc6e054e39021c03a212ea5eac94a6fdcc5d569901c0a335e423fa31a4

  • SSDEEP

    12288:MQc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSganTUX6ARtb2h:MpkaCqT5TBWgNQ7aTUX6ARtb2h

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.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • 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
  • NTFS ADS 1 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05c54682ac583c6c89945dff45b14470d148b7a27545d8fa06dd20c80e18fe72.exe
    "C:\Users\Admin\AppData\Local\Temp\05c54682ac583c6c89945dff45b14470d148b7a27545d8fa06dd20c80e18fe72.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:4836
    • C:\Users\Admin\AppData\Local\Temp\3582-490\05c54682ac583c6c89945dff45b14470d148b7a27545d8fa06dd20c80e18fe72.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\05c54682ac583c6c89945dff45b14470d148b7a27545d8fa06dd20c80e18fe72.exe"
      2⤵
      • Executes dropped EXE
      • NTFS ADS
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4404
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C start C:\ok.exe
        3⤵
          PID:4524

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3582-490\05c54682ac583c6c89945dff45b14470d148b7a27545d8fa06dd20c80e18fe72.exe

      Filesize

      844KB

      MD5

      bcaada051cf61c5e76b408fe782a147d

      SHA1

      87a5b17597af8fb03d4263d6ea8a5f754f894aac

      SHA256

      9932262825430457b9c6453a4247547df42c911d1b688cd97a5bba2b97cb38ff

      SHA512

      7a41b827071a06b1cd5db542009fce4cc46c0006549d9ac0f48321fa53d6a4626d34a9943639269865e2222f20cc0e6c0391d3471cfa19832507f8ba136b4a75

    • C:\Users\Admin\AppData\Local\Temp\3582-490\05c54682ac583c6c89945dff45b14470d148b7a27545d8fa06dd20c80e18fe72.exe

      Filesize

      844KB

      MD5

      bcaada051cf61c5e76b408fe782a147d

      SHA1

      87a5b17597af8fb03d4263d6ea8a5f754f894aac

      SHA256

      9932262825430457b9c6453a4247547df42c911d1b688cd97a5bba2b97cb38ff

      SHA512

      7a41b827071a06b1cd5db542009fce4cc46c0006549d9ac0f48321fa53d6a4626d34a9943639269865e2222f20cc0e6c0391d3471cfa19832507f8ba136b4a75

    • memory/4404-132-0x0000000000000000-mapping.dmp

    • memory/4524-135-0x0000000000000000-mapping.dmp