Analysis

  • max time kernel
    94s
  • 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
    24-01-2025 19:07

General

  • Target

    bdc093c30a60d840cc2f0e8b2421b39807a5ef6ec1f977b1992d2dd42c236f1cN.exe

  • Size

    1.1MB

  • MD5

    93a683529a53953f96b8e7a0e4d97320

  • SHA1

    c73dc8869dc527c9686338545fa9f6f0b824042f

  • SHA256

    bdc093c30a60d840cc2f0e8b2421b39807a5ef6ec1f977b1992d2dd42c236f1c

  • SHA512

    1fec61913b79274bd789d15f6db48e90a604adb200b61d639b5f0ddc8ab53d639123fd19a018ca26e09cabc279b4d9c272307c9aaaf0b490866f857e60dc2d94

  • SSDEEP

    12288:LXFCJgBi+ogIXLvJCdlUyLypz8wCGbVn2Ifs8Jw7lES/x+hzGoswtRMO:LXFCJgBi+ogIXE3UyLyZnV2IklxptlU

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdc093c30a60d840cc2f0e8b2421b39807a5ef6ec1f977b1992d2dd42c236f1cN.exe
    "C:\Users\Admin\AppData\Local\Temp\bdc093c30a60d840cc2f0e8b2421b39807a5ef6ec1f977b1992d2dd42c236f1cN.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
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\3582-490\bdc093c30a60d840cc2f0e8b2421b39807a5ef6ec1f977b1992d2dd42c236f1cN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\bdc093c30a60d840cc2f0e8b2421b39807a5ef6ec1f977b1992d2dd42c236f1cN.exe"
      2⤵
      • Executes dropped EXE
      PID:3744

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\bdc093c30a60d840cc2f0e8b2421b39807a5ef6ec1f977b1992d2dd42c236f1cN.exe

    Filesize

    1.0MB

    MD5

    d14ebf1189a08246c39c13140f95f45a

    SHA1

    6b48004051cc8863fa624d8c5830d25e2d8b79a9

    SHA256

    6ba2c44df794b32e7bfe15c779f0279deda009baddf1e9d1949c540c6fb7e713

    SHA512

    54cbaaeda588c8f09ab87d4fe9efd969db5280afe560a5afaeddb2ea6869b700475e50e96a2f123c3868a0fc0b732319f7f64eaf5be95131a4f0cc62ec61b586

  • memory/848-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/848-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/848-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB