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Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2024, 04:25

General

  • Target

    4417aad78b7717688b25e02fa237b2ee79317634461852ccc7013e2497616c8dN.exe

  • Size

    1.8MB

  • MD5

    17e1bd496de456f51095180ff1a250f0

  • SHA1

    015c99502d37d4d230f6e33a3b2b190148a46eb2

  • SHA256

    4417aad78b7717688b25e02fa237b2ee79317634461852ccc7013e2497616c8d

  • SHA512

    934e10dca9a000924b422130690c7cf3e886447bb25ae3d0e26ccff0140b15aeaaa8c0337355cd0b374150cec081833636a504c6f14e5d302002dae2d14d7e09

  • SSDEEP

    24576:O9mgrWpigFPXcUOcL8WFa+EDq6+Gim4hzkoWsyNfzTT3Islr:O9mIWpiOOcJal+GMt6jNrvYsp

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 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4417aad78b7717688b25e02fa237b2ee79317634461852ccc7013e2497616c8dN.exe
    "C:\Users\Admin\AppData\Local\Temp\4417aad78b7717688b25e02fa237b2ee79317634461852ccc7013e2497616c8dN.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:2228
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4417aad78b7717688b25e02fa237b2ee79317634461852ccc7013e2497616c8dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4417aad78b7717688b25e02fa237b2ee79317634461852ccc7013e2497616c8dN.exe"
      2⤵
      • Executes dropped EXE
      PID:2072

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\4417aad78b7717688b25e02fa237b2ee79317634461852ccc7013e2497616c8dN.exe

    Filesize

    1.7MB

    MD5

    a185f373201e8082934af51352bd6d05

    SHA1

    cc846e02161f0716e195e0d518cf9676e01f66d2

    SHA256

    ace28d121416242f656f032647f69946573ccff41ee0ca74817a8b59977880ff

    SHA512

    772fe9b341648c2e43412c04e9ec04c594707c08a7c22c909a6204e5441bd7bf51e47988ccf3cab75d96508be9920002651f8beddcc5b7db815f7bcf512acbac

  • memory/2228-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2228-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2228-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB