Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-09-2024 01:58

General

  • Target

    822d4a0dc03fa0348fc8a12c3e0c3c10ad433abbf34f858b64406beaf8606d87.exe

  • Size

    411KB

  • MD5

    9753b8ad3204443226a2b298da8242be

  • SHA1

    60c61650311944accdaf8fb78bca663d8cdde241

  • SHA256

    822d4a0dc03fa0348fc8a12c3e0c3c10ad433abbf34f858b64406beaf8606d87

  • SHA512

    b5a808f0f8e3f1e7e61d99514809606c8d3b12f50bbbb9891967aee020cbbdcaf026ed86dcc11262b5c2e9d5ff19cd1e420fe971e4110ee7bb474dbdac77004a

  • SSDEEP

    6144:KsL00ZALltugI4avTmF1Y58qg3h58A9rFo:KORZALltIm28d3hOAw

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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\822d4a0dc03fa0348fc8a12c3e0c3c10ad433abbf34f858b64406beaf8606d87.exe
    "C:\Users\Admin\AppData\Local\Temp\822d4a0dc03fa0348fc8a12c3e0c3c10ad433abbf34f858b64406beaf8606d87.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:4692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 352
      2⤵
      • Program crash
      PID:3788
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4692 -ip 4692
    1⤵
      PID:1920
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3000,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:8
      1⤵
        PID:2756

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4692-1-0x0000000000810000-0x0000000000910000-memory.dmp

        Filesize

        1024KB

      • memory/4692-2-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4692-3-0x0000000000400000-0x00000000005F9000-memory.dmp

        Filesize

        2.0MB

      • memory/4692-5-0x0000000000400000-0x00000000005F9000-memory.dmp

        Filesize

        2.0MB

      • memory/4692-6-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB