Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 00:16

General

  • Target

    7814dbef56a19d4a74c942c493afbab57698427701e8d87c42714a96eb86d180N.exe

  • Size

    82KB

  • MD5

    7d2a0b2ebd083e69961085ca5f6b7930

  • SHA1

    d383a9698693e5c1c1ad7bec098608ddccefd430

  • SHA256

    7814dbef56a19d4a74c942c493afbab57698427701e8d87c42714a96eb86d180

  • SHA512

    9dad60f1b5900973f70e3a2e021dea77506d4afe27913b69cef0322af16796464d06e4942ee7e4ee02636ebd6f0ad610aa06d4276250f07c1faf7b28b753e118

  • SSDEEP

    1536:yxqjQ+P04wsZLnDrCh3lqqfQHIkGlFUVvv/XxA:zr8WDrCh3HgGM3/XxA

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\7814dbef56a19d4a74c942c493afbab57698427701e8d87c42714a96eb86d180N.exe
    "C:\Users\Admin\AppData\Local\Temp\7814dbef56a19d4a74c942c493afbab57698427701e8d87c42714a96eb86d180N.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:2760
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7814dbef56a19d4a74c942c493afbab57698427701e8d87c42714a96eb86d180N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7814dbef56a19d4a74c942c493afbab57698427701e8d87c42714a96eb86d180N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1480

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\7814dbef56a19d4a74c942c493afbab57698427701e8d87c42714a96eb86d180N.exe

    Filesize

    41KB

    MD5

    2c93547e120d9b50d75f12bbc850bf9c

    SHA1

    36a1d34b5ccaaa11c860b5d42496832cfd17ef2c

    SHA256

    e0c1df7a1c748256ea8947a01d1155e4ae896470d5f89e116b48c3640b0bb5f9

    SHA512

    6d42a47960410c687a93114d276e1271c84984ca1511e80259193f2e7d5af3602fee4248093a501754edd44c4973005a6779519535d05d6881c6e59443e24040

  • memory/1480-93-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2760-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB