Analysis

  • max time kernel
    93s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 01:48

General

  • Target

    98e435dd80cb57504f4344e70fb9058166bfbc4da31258850855ab97930df054.exe

  • Size

    193KB

  • MD5

    f3530769a335dae859c483b37e08ac81

  • SHA1

    6cbf8f60604437116b9517fa7bf19cf306be8420

  • SHA256

    98e435dd80cb57504f4344e70fb9058166bfbc4da31258850855ab97930df054

  • SHA512

    17624091b429611336d4113a085c9064a82c72f66d7ed350c49647ea3dfd259ab040e7becad087c56c1517875e3a715dac98cfd09de44ae3a85b618ba11ef6c5

  • SSDEEP

    3072:zr8WDrCIcls0f2BAevKXL0gEZWelhAR8VFJ7ZuKYLhd4GAGIAG0wCIXLyTF2Uvty:PuIYHf2KSgERuRyhZxYLv4cIAG0w7U3i

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 AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98e435dd80cb57504f4344e70fb9058166bfbc4da31258850855ab97930df054.exe
    "C:\Users\Admin\AppData\Local\Temp\98e435dd80cb57504f4344e70fb9058166bfbc4da31258850855ab97930df054.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:2372
    • C:\Users\Admin\AppData\Local\Temp\3582-490\98e435dd80cb57504f4344e70fb9058166bfbc4da31258850855ab97930df054.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\98e435dd80cb57504f4344e70fb9058166bfbc4da31258850855ab97930df054.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3000

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\98e435dd80cb57504f4344e70fb9058166bfbc4da31258850855ab97930df054.exe

    Filesize

    152KB

    MD5

    ee0572a845d5cc4da474046754595f33

    SHA1

    56097e06d67b47f345e200be4639b0e97cc223f7

    SHA256

    533e7d2c54a3b93d5274acd61276aaa73a868a2a0025b4a4b386540ccbccef0f

    SHA512

    56a4aa03c824611c3e69bbf2e02a2669800090565792783d2b5c86c019085439038c04710338ffae8a1be926dd7ec33e6296c12624b333618351295e7ad8be3e

  • memory/2372-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2372-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2372-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2372-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB