Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Analysis

  • max time kernel
    108s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 09:13

Sharing

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General

  • Target

    bf9d4fcc7aeee9158d4764bee8e73b2bb0e42769cbc78e5d4582da43ac0b39a7.exe

  • Size

    179KB

  • MD5

    ccfb70ac53b63ba7a8a1bb859deb0a63

  • SHA1

    4a6b127768edb4316ecccd722d14cdc0fd67a9c0

  • SHA256

    bf9d4fcc7aeee9158d4764bee8e73b2bb0e42769cbc78e5d4582da43ac0b39a7

  • SHA512

    04f4080063d51b50028399c21b910d645c7ae87b2228170ab9fcc0c4ca6d7d9ec4679d6b0fa1e911d6d2c0f164be4dad565f367cef4c9daf321d4a66fb961326

  • SSDEEP

    1536:D/bI75oFJE7LocP46lfSAPMtyKnM9fGqxHMHKQ0v5WK9IMn4kZhXU4L+vx5tLctB:DYlfSAPM0KMYq2HuWKz4kPU465

Score
10/10
smokeloaderpub1backdoorpersistencetrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 39 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 24 IoCs
  • Suspicious use of SendNotifyMessage 13 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf9d4fcc7aeee9158d4764bee8e73b2bb0e42769cbc78e5d4582da43ac0b39a7.exe
    "C:\Users\Admin\AppData\Local\Temp\bf9d4fcc7aeee9158d4764bee8e73b2bb0e42769cbc78e5d4582da43ac0b39a7.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:868
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3832.bat" "
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
      2⤵
        PID:3648
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\48CD.bat" "
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Windows\system32\reg.exe
        reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
        2⤵
          PID:416
      • 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 --no-appcompat-clear --mojo-platform-channel-handle=3768 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4760
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:916
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:3260
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
              PID:2268
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:4016
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:4560
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                    PID:3392
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3472
                    • C:\Windows\explorer.exe
                      explorer.exe
                      1⤵
                        PID:4372
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3632
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3260
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                              PID:2164
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                                PID:4900
                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                1⤵
                                  PID:1128
                                • C:\Windows\explorer.exe
                                  explorer.exe
                                  1⤵
                                    PID:4040
                                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                    1⤵
                                      PID:368
                                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                      1⤵
                                        PID:4584

                                      Network

                                      MITRE ATT&CK Matrix ATT&CK v13

                                      Initial Access

                                      Execution

                                      Persistence

                                      Boot or Logon Autostart Execution

                                      1
                                      T1547

                                      Registry Run Keys / Startup Folder

                                      1
                                      T1547.001

                                      Privilege Escalation

                                      Boot or Logon Autostart Execution

                                      1
                                      T1547

                                      Registry Run Keys / Startup Folder

                                      1
                                      T1547.001

                                      Defense Evasion

                                      Modify Registry

                                      1
                                      T1112

                                      Credential Access

                                      Discovery

                                      Query Registry

                                      3
                                      T1012

                                      Peripheral Device Discovery

                                      2
                                      T1120

                                      System Information Discovery

                                      2
                                      T1082

                                      Lateral Movement

                                      Collection

                                      Exfiltration

                                      Command and Control

                                      Web Service

                                      1
                                      T1102

                                      Impact

                                      Resource Development

                                      Reconnaissance

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
                                        Filesize

                                        471B

                                        MD5

                                        cf94c140b8e861d5b8a579457f8e4c26

                                        SHA1

                                        972614473d6a8399f72403c6090ed50bcee1e56b

                                        SHA256

                                        2307783397917148817da0e40ad8afc4256a3a42230085eaebe512d815ced1fc

                                        SHA512

                                        696239223616e16d17775660d2e1ef97e4b536741a2cb406510d9de8e4090f6653c0e2fc8196bde76be527b02f2e362bad3b73ad37ac9b0168efaa3c80d90c05

                                        Download Submit
                                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
                                        Filesize

                                        412B

                                        MD5

                                        5f7e10eb92ee599f8ef72c5bfbcb7ce0

                                        SHA1

                                        a7f5580a7af88e1b5744079a5bfbd50bdd95d402

                                        SHA256

                                        9f3cbd9b9e563fbca62d98fd2a6f8d2ddf4ff893c071733eff7ced87338fe24f

                                        SHA512

                                        37a46bc24f97900743e0842568a51f36676cd78d23fb67f035344aa856d3e9dd748447b6fd5db7cd7414dba6472a097904fa6cbc7fe8c6becda7f35ccbc6b861

                                        Download Submit
                                      • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\TokenBroker\Cache\fbaf94e759052658216786bfbabcdced1b67a5c2.tbres
                                        Filesize

                                        2KB

                                        MD5

                                        a74fdd3947e738c1b95fa04621ba34ba

                                        SHA1

                                        a3e9bfbd74d2fcec2a9c7ac84674da2161217687

                                        SHA256

                                        d6cb235ba8c4278a00673db7c54301cd1ab600cb87f00e08c9f04e403c77f847

                                        SHA512

                                        010225a8a3f2100219ccb2b653cb25187fd77fc2580ecd33b7a4671bc0912208d5d5f195631858d535a66997a6e3e3f1f373dd224ad8702429a7bcc8eca1132b

                                        Download Submit
                                      • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\5MIHM5LV\microsoft.windows[1].xml
                                        Filesize

                                        96B

                                        MD5

                                        84209e171da10686915fe7efcd51552d

                                        SHA1

                                        6bf96e86a533a68eba4d703833de374e18ce6113

                                        SHA256

                                        04d6050009ea3c99cc718ad1c07c5d15268b459fcfb63fcb990bc9761738907b

                                        SHA512

                                        48d2524000911cfb68ef866dedac78ee430d79aa3f4b68399f645dc2066841e6962e11a3362cbcec46680357dcd3e58cfef9994450fed1d8af04df44f76b0dfd

                                        Download Submit
                                      • C:\Users\Admin\AppData\Local\Temp\3832.bat
                                        Filesize

                                        77B

                                        MD5

                                        55cc761bf3429324e5a0095cab002113

                                        SHA1

                                        2cc1ef4542a4e92d4158ab3978425d517fafd16d

                                        SHA256

                                        d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

                                        SHA512

                                        33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

                                        Download Submit
                                      • memory/868-1-0x0000000002400000-0x0000000002500000-memory.dmp
                                        Filesize

                                        1024KB

                                        Download
                                      • memory/868-5-0x0000000000400000-0x0000000002349000-memory.dmp
                                        Filesize

                                        31.3MB

                                        Download
                                      • memory/868-8-0x0000000004090000-0x000000000409B000-memory.dmp
                                        Filesize

                                        44KB

                                        Download
                                      • memory/868-9-0x0000000000400000-0x000000000040B000-memory.dmp
                                        Filesize

                                        44KB

                                        Download
                                      • memory/868-3-0x0000000000400000-0x000000000040B000-memory.dmp
                                        Filesize

                                        44KB

                                        Download
                                      • memory/868-2-0x0000000004090000-0x000000000409B000-memory.dmp
                                        Filesize

                                        44KB

                                        Download
                                      • memory/1128-363-0x0000026611800000-0x0000026611820000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/1128-362-0x0000026611360000-0x0000026611380000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/1128-344-0x00000266113B0000-0x00000266113D0000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/1128-338-0x0000026610220000-0x0000026610320000-memory.dmp
                                        Filesize

                                        1024KB

                                        Download
                                      • memory/2164-337-0x00000000044F0000-0x00000000044F1000-memory.dmp
                                        Filesize

                                        4KB

                                        Download
                                      • memory/2268-32-0x0000000004C50000-0x0000000004C51000-memory.dmp
                                        Filesize

                                        4KB

                                        Download
                                      • memory/3156-22-0x0000000002F60000-0x0000000002F61000-memory.dmp
                                        Filesize

                                        4KB

                                        Download
                                      • memory/3156-4-0x0000000002F70000-0x0000000002F86000-memory.dmp
                                        Filesize

                                        88KB

                                        Download
                                      • memory/3260-221-0x000001E514B00000-0x000001E514B20000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/3260-222-0x000001E5147E0000-0x000001E514800000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/3260-190-0x000001E514B40000-0x000001E514B60000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/4040-485-0x00000000042B0000-0x00000000042B1000-memory.dmp
                                        Filesize

                                        4KB

                                        Download
                                      • memory/4372-183-0x0000000004690000-0x0000000004691000-memory.dmp
                                        Filesize

                                        4KB

                                        Download
                                      • memory/4560-39-0x000001E3259E0000-0x000001E325A00000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/4560-34-0x000001E324E00000-0x000001E324F00000-memory.dmp
                                        Filesize

                                        1024KB

                                        Download
                                      • memory/4560-57-0x000001E3259A0000-0x000001E3259C0000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/4560-70-0x000001E3262C0000-0x000001E3262E0000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/4584-486-0x00000212DD340000-0x00000212DD440000-memory.dmp
                                        Filesize

                                        1024KB

                                        Download
                                      • memory/4584-492-0x00000212DE4B0000-0x00000212DE4D0000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/4584-512-0x00000212DE470000-0x00000212DE490000-memory.dmp
                                        Filesize

                                        128KB

                                        Download
                                      • memory/4584-523-0x00000212DEB40000-0x00000212DEB60000-memory.dmp
                                        Filesize

                                        128KB

                                        Download