Analysis

  • max time kernel
    145s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13-10-2021 19:42

General

  • Target

    070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe

  • Size

    617KB

  • MD5

    56f80d88075ddabc45b411cbdff5f90a

  • SHA1

    579500f1ccaec744be68aecf9e7fca75f5cd1ae2

  • SHA256

    070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d

  • SHA512

    0c1b54f4bb1d1dd33a59c3a153e3435730748601de1f0702a2087f7abf9689b642864b6fff763dcdab49c3c74d019c214091161f5fc7b2714fd06e21e6b63111

Malware Config

Signatures

  • Detect Neshta Payload 3 IoCs
  • 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 55 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe
    "C:\Users\Admin\AppData\Local\Temp\070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Users\Admin\AppData\Local\Temp\070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe
      "C:\Users\Admin\AppData\Local\Temp\070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe"
      2⤵
        PID:1348
      • C:\Users\Admin\AppData\Local\Temp\070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe
        "C:\Users\Admin\AppData\Local\Temp\070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe"
        2⤵
          PID:1488
        • C:\Users\Admin\AppData\Local\Temp\070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe
          "C:\Users\Admin\AppData\Local\Temp\070437316a851ef4eaa9450e6fa986d5a48abbdaf6eb881ab2b2df65b3b7d80d.exe"
          2⤵
          • Modifies system executable filetype association
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Modifies registry class
          PID:1820

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/636-114-0x0000000000A00000-0x0000000000A01000-memory.dmp
        Filesize

        4KB

      • memory/636-116-0x0000000005AC0000-0x0000000005AC1000-memory.dmp
        Filesize

        4KB

      • memory/636-117-0x0000000002FC0000-0x0000000002FC1000-memory.dmp
        Filesize

        4KB

      • memory/636-118-0x0000000005560000-0x0000000005561000-memory.dmp
        Filesize

        4KB

      • memory/636-119-0x0000000002E60000-0x0000000002E61000-memory.dmp
        Filesize

        4KB

      • memory/636-120-0x0000000005550000-0x0000000005555000-memory.dmp
        Filesize

        20KB

      • memory/636-121-0x00000000076E0000-0x00000000076E1000-memory.dmp
        Filesize

        4KB

      • memory/636-122-0x0000000007880000-0x00000000078F9000-memory.dmp
        Filesize

        484KB

      • memory/1820-123-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1820-124-0x00000000004080E4-mapping.dmp
      • memory/1820-125-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB