Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 07:06

General

  • Target

    2ac4a52e9f94b9e517e14b749811fa98.exe

  • Size

    311KB

  • MD5

    2ac4a52e9f94b9e517e14b749811fa98

  • SHA1

    8a693552de74d98bc67daf5216241718a93b4d83

  • SHA256

    7024e2012b8c0acec20f70d4dda73ea9a67b234535bf7f27eb68c6dc8338ccab

  • SHA512

    e2bd2115736ae2fa70decc5cdce56e3deb37bdb6732769a54d466b807b2bb17ad0de3f5f3148800a9c2e64006baa403e9625d9495e27f3b054ebdd69170a37b4

  • SSDEEP

    3072:oqY/LzCkS/0tmJcnJvn+rnFTilV27LQSHq5T9K8N80gP:oqqLmkScmwv+LVOVMkwQ9KO

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\2ac4a52e9f94b9e517e14b749811fa98.exe
    "C:\Users\Admin\AppData\Local\Temp\2ac4a52e9f94b9e517e14b749811fa98.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:4480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 320
      2⤵
      • Program crash
      PID:216
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4480 -ip 4480
    1⤵
      PID:1940

    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/4480-1-0x0000000002990000-0x0000000002A90000-memory.dmp
      Filesize

      1024KB

    • memory/4480-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/4480-2-0x0000000002780000-0x000000000278B000-memory.dmp
      Filesize

      44KB

    • memory/4480-4-0x0000000000400000-0x000000000273B000-memory.dmp
      Filesize

      35.2MB