Analysis

  • max time kernel
    300s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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

Version
  • 2022

C2
  • http://cellc.org/tmp/index.php

  • http://h-c-v.ru/tmp/index.php

  • http://icebrasilpr.com/tmp/index.php

  • http://piratia-life.ru/tmp/index.php

  • http://piratia.su/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 46 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.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\7dc8133fb148b87f8cfcfa834c1a0134647f9dd55d5f59dec510f8f1b320ea66.exe
      "C:\Users\Admin\AppData\Local\Temp\7dc8133fb148b87f8cfcfa834c1a0134647f9dd55d5f59dec510f8f1b320ea66.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k move Informative Informative.cmd & Informative.cmd & exit
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2628
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2024
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "wrsa.exe opssvc.exe"
          4⤵
            PID:2860
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:2472
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
            4⤵
              PID:1800
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c md 22802
              4⤵
                PID:2428
              • C:\Windows\SysWOW64\findstr.exe
                findstr /V "PUERTOTEXEVPENDANT" Monday
                4⤵
                  PID:2444
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c copy /b Bundle 22802\W
                  4⤵
                    PID:2740
                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\22802\Lo.pif
                    22802\Lo.pif 22802\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:2960
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 5 127.0.0.1
                    4⤵
                    • Runs ping.exe
                    PID:2992
              • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\22802\Lo.pif
                "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\22802\Lo.pif"
                2⤵
                • Executes dropped EXE
                • Checks SCSI registry key(s)
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                PID:860

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  Appeared

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

                  Associations

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

                  Bell

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

                  Beverly

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

                  Bundle

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

                  Consult

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

                  Couple

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

                  Downloading

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

                  Flashing

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

                  Gasoline

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

                  Ice

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

                  Informative

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

                  Jordan

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

                  Jun

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

                  Monday

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

                  Organisms

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

                  Packing

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

                  Pop

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

                  Propose

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

                  Publication

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

                  Rca

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

                  Slip

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

                  Southwest

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

                  Theology

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

                  Throwing

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

                  Vertex

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

                  Lo.pif

                  • Path \Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\22802\Lo.pif
                  • Size 925KB
                  • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/1180-83-0x0000000002DC0000-0x0000000002DD6000-memory.dmp