Overview

overview

10

Static

static

940b986917...53.exe

windows7-x64

10

940b986917...53.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    131s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 16:00

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General

  • Target

    940b98691725b5c0dc7569d4bd29f08342b9b81dccc14b2ee8c3a7982801bb53.exe

  • Size

    154KB

  • MD5

    844df86e26936dda5c1cd8e15a16c1d2

  • SHA1

    34d18250073531f3989aebfe8901d955505c3746

  • SHA256

    940b98691725b5c0dc7569d4bd29f08342b9b81dccc14b2ee8c3a7982801bb53

  • SHA512

    f3d7f07a3255ad6eda06893d5831e4e268570e69ecb0b7b4d9e3bef2f98f31ec2c9efa723ce94f95688461b1a81ba8d16f58e512a59d27c327b299d60774345c

  • SSDEEP

    3072:rX+eBQvBE6y3p8EZPeDWdJzQ/Rg9c8mwvknDSzRhgKBqXQmZ0hJOaDqf:zTQufZ24Vv95ZknDS9CJ03Ni

Score
10/10
salitybackdoorevasiontrojanupx

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 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
  • UPX packed file 6 IoCs

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

    upx
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
    1⤵
      PID:3096
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1124
        • C:\Users\Admin\AppData\Local\Temp\940b98691725b5c0dc7569d4bd29f08342b9b81dccc14b2ee8c3a7982801bb53.exe
          "C:\Users\Admin\AppData\Local\Temp\940b98691725b5c0dc7569d4bd29f08342b9b81dccc14b2ee8c3a7982801bb53.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Suspicious use of SetThreadContext
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:4896
          • C:\Users\Admin\AppData\Local\Temp\940b98691725b5c0dc7569d4bd29f08342b9b81dccc14b2ee8c3a7982801bb53.exe
            C:\Users\Admin\AppData\Local\Temp\940b98691725b5c0dc7569d4bd29f08342b9b81dccc14b2ee8c3a7982801bb53.exe
            3⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:1624
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\940B98~1.EXE > nul
              4⤵
                PID:3928
        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
          1⤵
            PID:3560
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3464
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
              1⤵
                PID:4776
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:4508
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:824
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3764
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3400
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3304
                        • C:\Windows\system32\taskhostw.exe
                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                          1⤵
                            PID:2912
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2844
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              1⤵
                                PID:2808
                              • C:\Windows\system32\dwm.exe
                                "dwm.exe"
                                1⤵
                                  PID:1020
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:776
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:768

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • C:\Windows\SysWOW64\RbmstxC.dll
                                      Filesize

                                      60KB

                                      MD5

                                      3740dbd235fdd80662d602529a458e27

                                      SHA1

                                      7789a40a9e00b3262a9030275595e3da4380d71b

                                      SHA256

                                      49458abc542b0889bf17ea1b641c7c6adc2e1b895e986e6fff5541ec9dce1fcd

                                      SHA512

                                      742366107b6795ab5e63d28df12fa3d0927440db00f665fe1112eebb1f7ad38ad8c353b5613a4285dad13e7fac961bfcb741fc1e8bc87faa4fd64001630554b3

                                      Download Submit

                                    • memory/1624-136-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/1624-137-0x0000000000400000-0x0000000000417000-memory.dmp

                                      Filesize

                                      92KB

                                      Download

                                    • memory/1624-140-0x0000000000400000-0x0000000000417000-memory.dmp

                                      Filesize

                                      92KB

                                      Download

                                    • memory/1624-144-0x0000000000400000-0x0000000000417000-memory.dmp

                                      Filesize

                                      92KB

                                      Download

                                    • memory/3928-143-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/4896-132-0x0000000000400000-0x000000000041D000-memory.dmp

                                      Filesize

                                      116KB

                                      Download

                                    • memory/4896-133-0x0000000002C50000-0x0000000003CDE000-memory.dmp

                                      Filesize

                                      16.6MB

                                      Download

                                    • memory/4896-138-0x0000000002C50000-0x0000000003CDE000-memory.dmp

                                      Filesize

                                      16.6MB

                                      Download

                                    • memory/4896-141-0x0000000000400000-0x000000000041D000-memory.dmp

                                      Filesize

                                      116KB

                                      Download

                                    • memory/4896-145-0x0000000002C50000-0x0000000003CDE000-memory.dmp

                                      Filesize

                                      16.6MB

                                      Download