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
    02-01-2025 08:34

General

  • Target

    52665b0611f205c1548a04272f8996b2c73b265cb24047a2446339c94fb259d5N.exe

  • Size

    2.5MB

  • MD5

    44a39d17d5f26892e457e63eb4c06c40

  • SHA1

    9f505c4807d70aebdeab79b2b58d9f8ffbbf9781

  • SHA256

    52665b0611f205c1548a04272f8996b2c73b265cb24047a2446339c94fb259d5

  • SHA512

    704b855d189df19847f196eb59497c376c9da006d6eca9810b1bc5aab21d719bf9bdb8ce61cca716f56d64cd201041903f4f4ef8071ea27f098156d6f2108cdd

  • SSDEEP

    12288:mb286MLapMyGZUl2ce3GdNd+JXxOgrTEFX/1pbcLgJM:mb286smIZ6Bnd+Rx1TEFXfbcLaM

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • 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\52665b0611f205c1548a04272f8996b2c73b265cb24047a2446339c94fb259d5N.exe
    "C:\Users\Admin\AppData\Local\Temp\52665b0611f205c1548a04272f8996b2c73b265cb24047a2446339c94fb259d5N.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:5072
    • C:\Users\Admin\AppData\Local\Temp\3582-490\52665b0611f205c1548a04272f8996b2c73b265cb24047a2446339c94fb259d5N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\52665b0611f205c1548a04272f8996b2c73b265cb24047a2446339c94fb259d5N.exe"
      2⤵
      • Executes dropped EXE
      PID:3304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\52665b0611f205c1548a04272f8996b2c73b265cb24047a2446339c94fb259d5N.exe

    Filesize

    2.4MB

    MD5

    178eecfc6d51313c40524f0e882f0ff4

    SHA1

    3821ee297db0aec00d93ba061289c6ee22463071

    SHA256

    a18adfd6752a126dfa44df8835f94e5fdd191db8838a7fde9f384392f2c0c418

    SHA512

    318e0883fcd26a9d091ea54754d542f077657d7f622ccb194e5d9769be4e11d3e73f2b78980d3a18ffc16d9eb35bea91182dfa28e0b14b0061b8b5ccfffee807

  • memory/5072-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5072-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5072-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB