Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 02:41

General

  • Target

    0bbc4420537c512503ca03e62329675952e41820132ab34e24fcdbc4c4ea3cffN.exe

  • Size

    4.0MB

  • MD5

    29901a00639b08519df9cd60d5adb2c0

  • SHA1

    da84a538ef89006135057f675a7e77b8bbd7c11e

  • SHA256

    0bbc4420537c512503ca03e62329675952e41820132ab34e24fcdbc4c4ea3cff

  • SHA512

    a4a11ce93a380072c34bc08e8ab685de224a625141a6ba68e20c9ad4267203f8eec6dd0b7b512502187f7342444ebc2b9ff2b5c57798017f620653dcbf6e669a

  • SSDEEP

    98304:iTIgwjT16qt5U486uhJRSKXHyTDnep6jupOiYZuoj9ghi1RebMIg9Cbk/V8dEN:ZLgE2RSKXsKpOiYZuojDIg9Cbk/V82

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bbc4420537c512503ca03e62329675952e41820132ab34e24fcdbc4c4ea3cffN.exe
    "C:\Users\Admin\AppData\Local\Temp\0bbc4420537c512503ca03e62329675952e41820132ab34e24fcdbc4c4ea3cffN.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0bbc4420537c512503ca03e62329675952e41820132ab34e24fcdbc4c4ea3cffN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0bbc4420537c512503ca03e62329675952e41820132ab34e24fcdbc4c4ea3cffN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\0bbc4420537c512503ca03e62329675952e41820132ab34e24fcdbc4c4ea3cffN.exe

    Filesize

    4.0MB

    MD5

    d5a68bcb874dbd3c719240f8f3d32691

    SHA1

    c1703347b0798c0382339b98aaf80737a974be6a

    SHA256

    823ef7dba072d2af03f594b68b6439c2e95cba7a9cce1cc389b5609804d61bbc

    SHA512

    2590ad323d0158fad2fa966aad9f4bb2e983cccb54ca18dea137870d215ac30d2ca21c95d21611c128071e67b07563fa5f1961930e8409a36dfa031cfc5b2cb7

  • memory/684-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/684-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/684-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB