Analysis

  • max time kernel
    150s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 18:24

General

  • Target

    5cc15956e081b113955aa82356912fc21878db1d34e5037f230a5c068b249bca.exe

  • Size

    483KB

  • MD5

    4385ccf2a9cda0dcd34e04701a84051d

  • SHA1

    fcff233674fff4aae2c7ef4b5404eaea4b7ca55f

  • SHA256

    5cc15956e081b113955aa82356912fc21878db1d34e5037f230a5c068b249bca

  • SHA512

    c31ce2b141748ea8fdaae50fb7bd18781da7e5d85e19a915af6e24166adfc8a0d6dc3d78f7813c20cb9df2815b9c77a3f07741a9bca8a4c6926807b19da4c46b

  • SSDEEP

    6144:ioLY3VafUTGekL7sHRn+ZZGzLI2hXWaBn4GgmRhXjxS6fgALAo4pg+dFu121GvOl:+MU/kviR+WzE2lBFr5zpN2EFBLehuq

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

  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • UPX packed file 4 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2372
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3644
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4972
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:4240
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4796
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3872
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3724
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3468
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3380
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3196
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:740
                            • C:\Users\Admin\AppData\Local\Temp\5cc15956e081b113955aa82356912fc21878db1d34e5037f230a5c068b249bca.exe
                              "C:\Users\Admin\AppData\Local\Temp\5cc15956e081b113955aa82356912fc21878db1d34e5037f230a5c068b249bca.exe"
                              2⤵
                              • UAC bypass
                              • Windows security bypass
                              • Disables RegEdit via registry modification
                              • Windows security modification
                              • Checks whether UAC is enabled
                              • Drops file in Windows directory
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:852
                              • C:\Windows\SysWOW64\netsh.exe
                                netsh firewall set opmode disable
                                3⤵
                                • UAC bypass
                                • Windows security bypass
                                • Disables RegEdit via registry modification
                                • Modifies Windows Firewall
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of WriteProcessMemory
                                PID:1096
                                • C:\Windows\System32\Conhost.exe
                                  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                                  4⤵
                                    PID:820
                                  • C:\Windows\SysWOW64\netsh.exe
                                    netsh firewall set opmode disable
                                    4⤵
                                    • Modifies Windows Firewall
                                    PID:2992
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2460
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2408
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:376
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:808

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      258B

                                      MD5

                                      e3cf22df86fcf85e1352d73fa62d328b

                                      SHA1

                                      55b066a26c4b1ea05187ac5fe7592ed0c6032b17

                                      SHA256

                                      df5e8818af4491ca690c592d17acdec9175a58541230a2bddd8bf7b8138affbc

                                      SHA512

                                      fb7ef902967f04f02113c811f9371e07240f9897a42b12dac4d32ce86ad6b90f8fd0e41b4eb75e1fb159761acf59839ff4eceb19551e850be56f248a2047777d

                                    • memory/852-132-0x0000000030000000-0x00000000300C1000-memory.dmp

                                      Filesize

                                      772KB

                                    • memory/852-133-0x00000000022D0000-0x0000000003303000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/852-135-0x00000000022D0000-0x0000000003303000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/852-136-0x0000000030000000-0x00000000300C1000-memory.dmp

                                      Filesize

                                      772KB

                                    • memory/1096-137-0x00000000031F0000-0x0000000004223000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/1096-140-0x00000000031F0000-0x0000000004223000-memory.dmp

                                      Filesize

                                      16.2MB