Analysis

  • max time kernel
    145s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 19:12

General

  • Target

    00877aba527b927bf4e713aa69fd97f0_NEAS.exe

  • Size

    326KB

  • MD5

    00877aba527b927bf4e713aa69fd97f0

  • SHA1

    1c5777331dd3ec6e195e01b2d949e74f7a87d8af

  • SHA256

    2ede8f142a56ef2d1fc00edbcc1344cbfb82c340165e664b1da2549b325a0f2d

  • SHA512

    471e6fa4775161fe83065ba2d6aa08312293da623b97297a02e4e9203a9d639bee5db078ae07b16aadfaeef301399ba18f40f55ba07e22f12d2d734391d05774

  • SSDEEP

    6144:tfymhz40SKHBko1HSOVrRheqv46O8b/a:tfjz40S8XHrVrRoNWb/a

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

Processes

  • C:\Users\Admin\AppData\Local\Temp\00877aba527b927bf4e713aa69fd97f0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\00877aba527b927bf4e713aa69fd97f0_NEAS.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:2208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 352
      2⤵
      • Program crash
      PID:3840
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2208 -ip 2208
    1⤵
      PID:384

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2208-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2208-2-0x0000000001C80000-0x0000000001C8B000-memory.dmp

      Filesize

      44KB

    • memory/2208-1-0x0000000001C90000-0x0000000001D90000-memory.dmp

      Filesize

      1024KB

    • memory/2208-4-0x0000000000400000-0x0000000001A1B000-memory.dmp

      Filesize

      22.1MB