Analysis

  • max time kernel
    134s
  • max time network
    286s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06/05/2024, 05:23

General

  • Target
    7dc8133fb148b87f8cfcfa834c1a0134647f9dd55d5f59dec510f8f1b320ea66.exe
  • Size 696KB
  • Sample240506-f3mnzaaf9s
  • SHA256 7dc8133fb148b87f8cfcfa834c1a0134647f9dd55d5f59dec510f8f1b320ea66
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub3

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3292
      • C:\Users\Admin\AppData\Local\Temp\7dc8133fb148b87f8cfcfa834c1a0134647f9dd55d5f59dec510f8f1b320ea66.exe
        "C:\Users\Admin\AppData\Local\Temp\7dc8133fb148b87f8cfcfa834c1a0134647f9dd55d5f59dec510f8f1b320ea66.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4240
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k move Informative Informative.cmd & Informative.cmd & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2792
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:1512
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "wrsa.exe opssvc.exe"
            4⤵
              PID:824
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:32
            • C:\Windows\SysWOW64\findstr.exe
              findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
              4⤵
                PID:3716
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c md 22872
                4⤵
                  PID:2584
                • C:\Windows\SysWOW64\findstr.exe
                  findstr /V "PUERTOTEXEVPENDANT" Monday
                  4⤵
                    PID:2604
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c copy /b Bundle 22872\W
                    4⤵
                      PID:2284
                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22872\Lo.pif
                      22872\Lo.pif 22872\W
                      4⤵
                      • Suspicious use of NtCreateUserProcessOtherParentProcess
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SendNotifyMessage
                      • Suspicious use of WriteProcessMemory
                      PID:1396
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 5 127.0.0.1
                      4⤵
                      • Runs ping.exe
                      PID:2208
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22872\Lo.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22872\Lo.pif
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  PID:4684

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Lo.pif

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22872\Lo.pif
                    • Size 925KB
                    • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
                    • MD5 SHA1 SHA512 SSDEEP

                    Appeared

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Appeared
                    • Size 64KB
                    • SHA256 484edf5ae1741615cd49592173a802c19edfb1780934283fa03a30cb29f5d547
                    • MD5 SHA1 SHA512 SSDEEP

                    Associations

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Associations
                    • Size 52KB
                    • SHA256 8e838fab097c87a35076f47c81e3389f7d58ec69793220d03c691fc9751bcd4f
                    • MD5 SHA1 SHA512 SSDEEP

                    Bell

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Bell
                    • Size 44KB
                    • SHA256 579fe20cd1dbbb8960fff9462d86f63793837c02d7abf6c03b0f8ba645aaa6a5
                    • MD5 SHA1 SHA512 SSDEEP

                    Beverly

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Beverly
                    • Size 49KB
                    • SHA256 5defdcb7d2ebab7d1fe3c3496fbac5e818f153004dc0cbb1717b3f55d75de563
                    • MD5 SHA1 SHA512 SSDEEP

                    Bundle

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Bundle
                    • Size 191KB
                    • SHA256 78dfb0ea8c82ee35bd9142f78c684d6c58a76607281475fe118b45060e7bd58d
                    • MD5 SHA1 SHA512 SSDEEP

                    Consult

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Consult
                    • Size 59KB
                    • SHA256 294fcf58495010daeacff475e13595b617d1ea167cfb5bb5e30d1e00cf9454c1
                    • MD5 SHA1 SHA512 SSDEEP

                    Couple

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Couple
                    • Size 59KB
                    • SHA256 3be37b634bec5056ef1fd090da01a5ce9106926611ac82dcb1dac32154c12eb0
                    • MD5 SHA1 SHA512 SSDEEP

                    Downloading

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Downloading
                    • Size 55KB
                    • SHA256 1de97d8cc83a4c4367fe6476b310dd316fd3bc74c546efe0d385becca24137a6
                    • MD5 SHA1 SHA512 SSDEEP

                    Flashing

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Flashing
                    • Size 27KB
                    • SHA256 6fe047eb41e4beca693f757c5c26bd6bcae3be930b2864b8f9b04f3288aefd3c
                    • MD5 SHA1 SHA512 SSDEEP

                    Gasoline

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Gasoline
                    • Size 62KB
                    • SHA256 b093bc052bc285282689f187fa7951f1a509687e1295a4e00aec43bc6cc5ec7e
                    • MD5 SHA1 SHA512 SSDEEP

                    Ice

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ice
                    • Size 12KB
                    • SHA256 9b865d477e319fd66c6ce3d6ec01f5081d255ecf3298b34533966c5b56f778d1
                    • MD5 SHA1 SHA512 SSDEEP

                    Informative

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Informative
                    • Size 27KB
                    • SHA256 82c7466a773798ef1322b9ae61ba3a2b880c4db0ed91686d07c90b8847cafbbf
                    • MD5 SHA1 SHA512 SSDEEP

                    Jordan

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Jordan
                    • Size 1KB
                    • SHA256 2803bb61e960a974c013c323aab25d09b6b79acbee52b982ef9d20792b45877f
                    • MD5 SHA1 SHA512

                    Jun

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Jun
                    • Size 64KB
                    • SHA256 08223e340ff0db94afeeb9af62ce2d141b23fd8ed9d3352578229085ac4ee06c
                    • MD5 SHA1 SHA512 SSDEEP

                    Monday

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Monday
                    • Size 150B
                    • SHA256 3decfd086764a3e93de8b73a4fa2676227da519a8c01fcaefb8a7d02c18874d2
                    • MD5 SHA1 SHA512

                    Organisms

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Organisms
                    • Size 41KB
                    • SHA256 a2cd8560c25a841d1109e987b53b445a0247b6f0678dc49f4151f9da4c9c3973
                    • MD5 SHA1 SHA512 SSDEEP

                    Packing

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Packing
                    • Size 9KB
                    • SHA256 687d994dcd546c6f6324670c4bb43f1643e115b7787ea47c13c18ade590c5101
                    • MD5 SHA1 SHA512 SSDEEP

                    Pop

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Pop
                    • Size 33KB
                    • SHA256 eb7911709e32aee8231c3332ffe78b74b5db1f9f8f759f470ab46bc456bd421f
                    • MD5 SHA1 SHA512 SSDEEP

                    Propose

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Propose
                    • Size 43KB
                    • SHA256 5984cd590e0335f4fb062baf81938446e07746ae12da59f0ca7e4d8d66000c65
                    • MD5 SHA1 SHA512 SSDEEP

                    Publication

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Publication
                    • Size 67KB
                    • SHA256 edae833286f8aa220d3142aa996f822e0589d07b9a52b0a0fd6570f9478be3ae
                    • MD5 SHA1 SHA512 SSDEEP

                    Rca

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Rca
                    • Size 22KB
                    • SHA256 741ebedf4be5fe0b48a324b270a29c476b9cff501203a4a22f24319e4e295ed8
                    • MD5 SHA1 SHA512 SSDEEP

                    Slip

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Slip
                    • Size 14KB
                    • SHA256 902094343dd2bb3991fbc2af968a2283d3bf09fa7901e19990f677652759741f
                    • MD5 SHA1 SHA512 SSDEEP

                    Southwest

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Southwest
                    • Size 33KB
                    • SHA256 97f1dc8235c1b2845fbcfcab1c16707339f83de724fcaafb86284e131beadb3d
                    • MD5 SHA1 SHA512 SSDEEP

                    Theology

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Theology
                    • Size 40KB
                    • SHA256 ea0694cae553d3c4263661831a77818c3123b6ae0a33e8a061c8ecfc7e868427
                    • MD5 SHA1 SHA512 SSDEEP

                    Throwing

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Throwing
                    • Size 36KB
                    • SHA256 afb462577b3b5761ec0848428f85842c792e3c765ff3a8a9c935e757f6e083b4
                    • MD5 SHA1 SHA512 SSDEEP

                    Vertex

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Vertex
                    • Size 38KB
                    • SHA256 4e3463b83fd22d3d603a6a0618cadc9888cae10484e7beeb7a458401599b094f
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/4684-71-0x0000000000400000-0x000000000040B000-memory.dmp

                    memory/4684-72-0x0000000000400000-0x000000000040B000-memory.dmp