Analysis

  • max time kernel
    90s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 09:29

General

  • Target

    Data/SMCEditor3.exe

  • Size

    276KB

  • MD5

    58afe77ecdf2fbe59c5108293f87b39f

  • SHA1

    44b7dc48c962fb4ff763015bfecc58e1bdc023c4

  • SHA256

    a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab

  • SHA512

    ae6f8f8e9b57734c4fbf757ab768a7ede96d2fd610a38c3ab2bd97c746150f815711ba116c50f73121b94be75c654c46cd7998ffeb0e1d4dced089931cc39d61

  • SSDEEP

    3072:zr8WDrCyeUxqtyxbzHysdpXTDX8C8wQd7X1pkrmOAYym9wGgvNxlce6H:PuyDxJx3yKpXTDX8fPkbAcqDZcBH

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
  • Loads dropped DLL 2 IoCs
  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Data\SMCEditor3.exe
    "C:\Users\Admin\AppData\Local\Temp\Data\SMCEditor3.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Users\Admin\AppData\Local\Temp\3582-490\SMCEditor3.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\SMCEditor3.exe"
      2⤵
      • Executes dropped EXE
      PID:1748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\SMCEditor3.exe

    Filesize

    235KB

    MD5

    abccf86772edb7820389a20c7174b6c2

    SHA1

    83e46c36675ef9dc66d64992f0f26c0abf4c0667

    SHA256

    961fb67ff75529e7274b9fecc275960e853ebcd33f660bf7f184681638c77059

    SHA512

    442deb3bdbadca70f0df8b2165b1c3c560f83f4ef1ede8a412b30ad7a5de5af7fee5f8c618257b967b9967e91798ce77960a96ddfd5ca069d03dc3873e90be0d

  • C:\Users\Admin\AppData\Local\Temp\3582-490\SMCEditor3.exe

    Filesize

    235KB

    MD5

    abccf86772edb7820389a20c7174b6c2

    SHA1

    83e46c36675ef9dc66d64992f0f26c0abf4c0667

    SHA256

    961fb67ff75529e7274b9fecc275960e853ebcd33f660bf7f184681638c77059

    SHA512

    442deb3bdbadca70f0df8b2165b1c3c560f83f4ef1ede8a412b30ad7a5de5af7fee5f8c618257b967b9967e91798ce77960a96ddfd5ca069d03dc3873e90be0d

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\SMCEditor3.exe

    Filesize

    235KB

    MD5

    abccf86772edb7820389a20c7174b6c2

    SHA1

    83e46c36675ef9dc66d64992f0f26c0abf4c0667

    SHA256

    961fb67ff75529e7274b9fecc275960e853ebcd33f660bf7f184681638c77059

    SHA512

    442deb3bdbadca70f0df8b2165b1c3c560f83f4ef1ede8a412b30ad7a5de5af7fee5f8c618257b967b9967e91798ce77960a96ddfd5ca069d03dc3873e90be0d

  • memory/796-54-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

    Filesize

    8KB

  • memory/1748-56-0x0000000000000000-mapping.dmp

  • memory/1748-59-0x0000000000830000-0x0000000000872000-memory.dmp

    Filesize

    264KB

  • memory/1748-62-0x00000000047E5000-0x00000000047F6000-memory.dmp

    Filesize

    68KB