Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 02:22

General

  • Target

    6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe

  • Size

    712KB

  • MD5

    3d166207f473ce541c5a7f77abfdda30

  • SHA1

    2448f09d7ef6a6b67c2377ba827e7afbad4f8a60

  • SHA256

    6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0

  • SHA512

    4bd01d70c92109fbe435aa3660a06bb231ee98b6fb741b38a5d35a130f3d7c84174fbd6315c559f0b4897c91c6f4c31cc4819efc54139451dd57f6400df8f00b

  • SSDEEP

    12288:bhLmx63icEFzp9wfXtXWrFbA1JNB4u9hnJhoHMGo5l:tL+90X78u9hnJhoHMBl

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\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe
    "C:\Users\Admin\AppData\Local\Temp\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.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:2788
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe

    Filesize

    672KB

    MD5

    6af1e3b37f28293f4fc127ee01d2632c

    SHA1

    2b1ce5fbfd2d4480b709fcfc5e75c280f518a951

    SHA256

    2978b17f6184d100d249d4311348dd30c5c32ec75c014b667a525b797d3d8813

    SHA512

    f8faa5269e94c9e3d0e38ebc163fd77c42f014fb17ff2ba6925d5e8d8bcf8014c48bb025c34d74e5e86d3721d61d9e041ef99381006ce4ed2c6260a47e2133b7

  • memory/2788-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2788-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2788-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB