Analysis

  • max time kernel
    101s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 13:12

General

  • Target

    9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe

  • Size

    1.0MB

  • MD5

    9eaf74196d3313b6cc71b956fc77ac50

  • SHA1

    20b548892c08ce340ad160cd77d6b4030afc5a59

  • SHA256

    9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4bef

  • SHA512

    706a34a2d219cf98bbf56781966f55ec335a6c990cb085972f7a2f2260fbe48a4b6676e90635c82ff861d6f792077d36ce7e05af19a152647ce94b55996ca3d0

  • SSDEEP

    12288:BnTVjA/ECfLmCNK+YbVX4mZc5wGhVc560/DWtVLkQL6Nt/Qeut+fYP:BTVjA/ECTmCNK+YbVXx26ELk0KtHuWYP

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\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe
    "C:\Users\Admin\AppData\Local\Temp\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.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:3952
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1972

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\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe

    Filesize

    993KB

    MD5

    7aad428066aed5ec27e0039586df92c0

    SHA1

    ea1be46c247359b2b5d38498dcae3e49ae33396f

    SHA256

    4fee591e1af14199fde549abfb7ea1f3039f5b80d7223e998d3a150cd9362358

    SHA512

    ec89c624c62e38486ee1e7826290ebe8ce5898829a3c43ac0a952469df204ce06a70e704b1f9513d09fbfd542194f95a30ff5e9e2fd20ea4140c51c2d8fd9d64

  • memory/3952-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3952-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3952-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB