Analysis

  • max time kernel
    134s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2024 09:04

General

  • Target

    406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe

  • Size

    326KB

  • MD5

    fc820ff186a4a2c42686e3c8524138e4

  • SHA1

    256b5c4686c2f1889b642135e96296da75c655d3

  • SHA256

    406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1

  • SHA512

    3aeb0a0b18210e28c56ba79f68c7076d901d4881704d846e90117636b329e9d34160471604ceb256ad4e6455caae8ab14fe5b386d50593f7e084f45021b45d3f

  • SSDEEP

    6144:CRsiABN4kQVasU64xPTClvXEkUJsxsb/i:CRs9N4kQVasUvTClvqhb/i

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\406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe
    "C:\Users\Admin\AppData\Local\Temp\406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:1096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 352
      2⤵
      • Program crash
      PID:400
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1096 -ip 1096
    1⤵
      PID:984

    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/1096-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/1096-2-0x0000000001C80000-0x0000000001C8B000-memory.dmp
      Filesize

      44KB

    • memory/1096-1-0x0000000001CD0000-0x0000000001DD0000-memory.dmp
      Filesize

      1024KB

    • memory/1096-4-0x0000000000400000-0x0000000001A1B000-memory.dmp
      Filesize

      22.1MB