Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-05-2024 12:19

General

  • Target

    876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe

  • Size

    316KB

  • MD5

    a0bb5fb7dc300ebd12849f2e2ea4594f

  • SHA1

    ad3342f44d1c2702a9fcf892093f980c88c88c55

  • SHA256

    876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68

  • SHA512

    ab73ae22323f26cd534f50fe4bb18cf180d6445d1dd8fd8ff8de7b61ec0a894e9a19c109d5802b43d8cdab1742e4753b9517d8c6fa8ccba80b192a5910f9e174

  • SSDEEP

    6144:mchwJ7Af4FcD83rTb4QJhw8K+yXhA50o3mZTb+el:mchMAf4+D83UQJhwj67mZx

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\876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe
    "C:\Users\Admin\AppData\Local\Temp\876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:2464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 352
      2⤵
      • Program crash
      PID:2400
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2464 -ip 2464
    1⤵
      PID:4036

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2464-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/2464-2-0x0000000002F10000-0x0000000002F1B000-memory.dmp
      Filesize

      44KB

    • memory/2464-1-0x0000000002FC0000-0x00000000030C0000-memory.dmp
      Filesize

      1024KB

    • memory/2464-4-0x0000000000400000-0x0000000002CAE000-memory.dmp
      Filesize

      40.7MB