Overview

overview

10

Static

static

a70a65a9b7...d9.exe

windows7-x64

3

a70a65a9b7...d9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    70s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 12:58

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General

  • Target

    a70a65a9b722262b8b62826ac141f8057995626e0e0514c9cf52fbb5a40141d9.exe

  • Size

    227KB

  • MD5

    70112dfd0a539bc9fcc7bfca3d1ecb8e

  • SHA1

    cdd78cd48c9e405898f952f65b80d1b77c6f08f4

  • SHA256

    a70a65a9b722262b8b62826ac141f8057995626e0e0514c9cf52fbb5a40141d9

  • SHA512

    ea402093dd7caedf3d345edcc8b062430d0d49993b90e6a39c837e002646eaad1560a1a560baeb81f63bd2d992b1087adeba6273b19d547f78b6a1e32309bfe5

  • SSDEEP

    6144:VWTBdZF2WClX+7rjIAcjCIjjwPrDazFyhC6u6ahec:V03P8lu7rjrce8jwjDmqVaIc

Score
10/10
salitybackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • UPX packed file 2 IoCs

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

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 59 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:64
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:784
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2268
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2300
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3276
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3580
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4776
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3840
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3436
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3376
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:2796
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:3056
                              • C:\Users\Admin\AppData\Local\Temp\a70a65a9b722262b8b62826ac141f8057995626e0e0514c9cf52fbb5a40141d9.exe
                                "C:\Users\Admin\AppData\Local\Temp\a70a65a9b722262b8b62826ac141f8057995626e0e0514c9cf52fbb5a40141d9.exe"
                                2⤵
                                • Modifies visibility of file extensions in Explorer
                                • UAC bypass
                                • Windows security bypass
                                • Disables RegEdit via registry modification
                                • Windows security modification
                                • Adds Run key to start application
                                • Checks whether UAC is enabled
                                • Enumerates connected drives
                                • Drops autorun.inf file
                                • Drops file in Program Files directory
                                • Drops file in Windows directory
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                • System policy modification
                                PID:3368
                                • C:\Windows\SysWOW64\netsh.exe
                                  netsh firewall set opmode disable
                                  3⤵
                                  • Modifies Windows Firewall
                                  PID:4328
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2440

                              Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • memory/3368-132-0x0000000002340000-0x0000000003373000-memory.dmp

                                      Filesize

                                      16.2MB

                                      Download

                                    • memory/3368-133-0x0000000000400000-0x0000000000429000-memory.dmp

                                      Filesize

                                      164KB

                                      Download

                                    • memory/3368-135-0x0000000000400000-0x0000000000429000-memory.dmp

                                      Filesize

                                      164KB

                                      Download

                                    • memory/3368-136-0x0000000002340000-0x0000000003373000-memory.dmp

                                      Filesize

                                      16.2MB

                                      Download