Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 09:43

General

  • Target

    822ea7e406c0dfb30e917f2353c18903fa7bde477db26a082aefd98492bb59d2.exe

  • Size

    383KB

  • MD5

    aa1d40cb1076984b217fb5f732af68d5

  • SHA1

    1ef552a5fd719b979bd667ecb97ce1d0683c8349

  • SHA256

    822ea7e406c0dfb30e917f2353c18903fa7bde477db26a082aefd98492bb59d2

  • SHA512

    8e8f67745eaadb715a443bfcf463fa371846dda8dca253ada1d59e5b19daafe9b2aeaec882da1ae8bf27a2afc00ffd5d898dec7588afec78c9fbfeea33e9ce82

  • SSDEEP

    6144:oT7uNcXiP3rNKoWiN6mIkXjfM5AcKyPSPNykJVsYO9L:oONcXiP3rUoWH0flcKyPSFyknsp

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\822ea7e406c0dfb30e917f2353c18903fa7bde477db26a082aefd98492bb59d2.exe
    "C:\Users\Admin\AppData\Local\Temp\822ea7e406c0dfb30e917f2353c18903fa7bde477db26a082aefd98492bb59d2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:4972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 352
      2⤵
      • Program crash
      PID:536
  • 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=4360,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=1296 /prefetch:8
    1⤵
      PID:3880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4972 -ip 4972
      1⤵
        PID:2856

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4972-1-0x0000000000600000-0x0000000000700000-memory.dmp

        Filesize

        1024KB

      • memory/4972-2-0x0000000002340000-0x000000000234B000-memory.dmp

        Filesize

        44KB

      • memory/4972-3-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4972-6-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4972-5-0x0000000002340000-0x000000000234B000-memory.dmp

        Filesize

        44KB

      • memory/4972-4-0x0000000000400000-0x00000000005F2000-memory.dmp

        Filesize

        1.9MB