Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 21:45

General

  • Target

    321559d52696ef15f23836a383710d4f47f779bde4941da19efeb34be3861a31.exe

  • Size

    128KB

  • MD5

    cc398b967ccc0fc17fc5d0d20f193d41

  • SHA1

    6fc0ce09002be52b9a7dd46ca07680cfeb550003

  • SHA256

    321559d52696ef15f23836a383710d4f47f779bde4941da19efeb34be3861a31

  • SHA512

    b3c91eb0ef35b65e6c194c638bd7b45177fe87da20655d41090ddb9f2327581e00bf540b7ba9b0cbfc9b3a00283bdcf6b991ba9d7e56ae889fbb6f32af179aaa

  • SSDEEP

    1536:JxqjQ+P04wsmJCc1DwoYp+vzTcfWzbFCQ7SDxQDBOrNgr5RIfqRTzOIgXFa69wu:sr85Cc9bTcezbFCQGEBWmdSqRTzgJP

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\321559d52696ef15f23836a383710d4f47f779bde4941da19efeb34be3861a31.exe
    "C:\Users\Admin\AppData\Local\Temp\321559d52696ef15f23836a383710d4f47f779bde4941da19efeb34be3861a31.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:3492
    • C:\Users\Admin\AppData\Local\Temp\3582-490\321559d52696ef15f23836a383710d4f47f779bde4941da19efeb34be3861a31.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\321559d52696ef15f23836a383710d4f47f779bde4941da19efeb34be3861a31.exe"
      2⤵
      • Executes dropped EXE
      PID:2596

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\321559d52696ef15f23836a383710d4f47f779bde4941da19efeb34be3861a31.exe

    Filesize

    88KB

    MD5

    c68b2912b74fc935fab960df471b8b4f

    SHA1

    6a7411dc0fd22da9facac8f4f031644ddcd07a74

    SHA256

    2870983c7d6fb169038dea31b81c756681101206efa15984c50272c30565860b

    SHA512

    628c4b8f2306f20c0fbce61efb52996812a18971279902d572401cd412fd1658860ff670d673fbb09f571bf3c51f2678c70f0d2e4230e9e052a721de5e2558d4

  • memory/3492-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3492-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3492-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB