Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 14:12

General

  • Target

    66fc5c187ba75_lyla343.exe

  • Size

    389KB

  • MD5

    007fa2c8c8ab1fbc6867e44db35c063e

  • SHA1

    fcd9e6754030070ae97a9cb6cfae9178c785f545

  • SHA256

    fde9a151f01aaa4bd10355337c8146e28c0716f10a4bdd70718f007f321827fe

  • SHA512

    988187be4b97ed4d45e7a0b72986f8ff07891e9b8c4014a0d882e96350487632e95902834520df3dc13d21762e282f9ffc9748fe5061f39401766d075907e308

  • SSDEEP

    6144:yB5v9Z13FO0jL/cyv3+Is7RIw0k2aBh4MCU0m9ccVr:CVRjL/cs3fsiEh4MCjm9/

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • 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.

  • 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\66fc5c187ba75_lyla343.exe
    "C:\Users\Admin\AppData\Local\Temp\66fc5c187ba75_lyla343.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:3676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 460
      2⤵
      • Program crash
      PID:4736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3676 -ip 3676
    1⤵
      PID:4112

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3676-1-0x00000000027E0000-0x00000000028E0000-memory.dmp

      Filesize

      1024KB

    • memory/3676-2-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3676-3-0x0000000000400000-0x0000000002479000-memory.dmp

      Filesize

      32.5MB

    • memory/3676-5-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB