Analysis

  • max time kernel
    95s
  • 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
    01-01-2025 14:21

General

  • Target

    69dd46bac4dd445482769603dbe5b171199c47e0703cdaeab37aeead8adc7deeN.exe

  • Size

    147KB

  • MD5

    597e168512c477ea7171fd298757ebe0

  • SHA1

    53beb030c0cd7ff901ba91c3c4391d15c1421b8d

  • SHA256

    69dd46bac4dd445482769603dbe5b171199c47e0703cdaeab37aeead8adc7dee

  • SHA512

    c78f6f49f665aee105aa597e21585506c9d565d2f9f82c24e7b3031752e0afde1b58e225e030daed544731614f86bf817f2ade08dc2c3c43422f98fd6144e051

  • SSDEEP

    1536:JxqjQ+P04wsmJCS3dUtDzDoqYa5K63dUTebVq/QgFwbioQ+qfcjwfQ+8iAWCV4TI:sr85CMUtfsqYapUTKUQRofADZaTHtSnb

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 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\69dd46bac4dd445482769603dbe5b171199c47e0703cdaeab37aeead8adc7deeN.exe
    "C:\Users\Admin\AppData\Local\Temp\69dd46bac4dd445482769603dbe5b171199c47e0703cdaeab37aeead8adc7deeN.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:1356
    • C:\Users\Admin\AppData\Local\Temp\3582-490\69dd46bac4dd445482769603dbe5b171199c47e0703cdaeab37aeead8adc7deeN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\69dd46bac4dd445482769603dbe5b171199c47e0703cdaeab37aeead8adc7deeN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3500

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\69dd46bac4dd445482769603dbe5b171199c47e0703cdaeab37aeead8adc7deeN.exe

    Filesize

    107KB

    MD5

    cbe2ae7b89c16e32690e49c0438b271c

    SHA1

    043b10ff24d49aa388b4bbbadd54e26e801fb026

    SHA256

    f10a9f5c08fa48fb01f3e5f51e8f2a526b8c7a3f29935ab6bfc414e24e1baee7

    SHA512

    acfe669df6bb223784814cd56dc370220b3d140d1471d9ac64de0d7b3ad4da4dbd0528b0de1989ee6e0351c76716e9a2dc2fea76b084071cd32c13eb259029a1

  • memory/1356-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1356-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1356-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB