Analysis

  • max time kernel
    52s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 18:37

General

  • Target

    e32eeac0d8c2c3c6b5924f895a48e4d8cb53d594ebc3e2dff16c4cd135c0316a.exe

  • Size

    65KB

  • MD5

    f7c969207544f2799441a080b0036e90

  • SHA1

    fcca666efa476edb48f26ccccd28a9816747f691

  • SHA256

    e32eeac0d8c2c3c6b5924f895a48e4d8cb53d594ebc3e2dff16c4cd135c0316a

  • SHA512

    1a378dad25843f8a4c460fe9c1b66ba5e1a5c8a474c462d6e3db044e26906029d0bd36c0ed8d3fc5fb5299d8df0e2c821d2a55c6e18056d2ec6a4290295b5764

  • SSDEEP

    1536:vNUYoo5r+gRjGjYBhSCbCGnUMfUGj0JnBN6Gt1nfrEkxP//Vus:FGZgsWLbCPMfxM+GthrEqP1

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 firewall policy service 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 31 IoCs
  • UPX dump on OEP (original entry point) 32 IoCs
  • UPX packed file 31 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
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2564
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2584
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2744
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3508
                  • C:\Users\Admin\AppData\Local\Temp\e32eeac0d8c2c3c6b5924f895a48e4d8cb53d594ebc3e2dff16c4cd135c0316a.exe
                    "C:\Users\Admin\AppData\Local\Temp\e32eeac0d8c2c3c6b5924f895a48e4d8cb53d594ebc3e2dff16c4cd135c0316a.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • 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:3712
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3368
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:64
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                1⤵
                                  PID:4116
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4764
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3016
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2016

                                      Network

                                      MITRE ATT&CK Matrix ATT&CK v13

                                      Persistence

                                      Create or Modify System Process

                                      1
                                      T1543

                                      Windows Service

                                      1
                                      T1543.003

                                      Privilege Escalation

                                      Create or Modify System Process

                                      1
                                      T1543

                                      Windows Service

                                      1
                                      T1543.003

                                      Abuse Elevation Control Mechanism

                                      1
                                      T1548

                                      Bypass User Account Control

                                      1
                                      T1548.002

                                      Defense Evasion

                                      Modify Registry

                                      5
                                      T1112

                                      Abuse Elevation Control Mechanism

                                      1
                                      T1548

                                      Bypass User Account Control

                                      1
                                      T1548.002

                                      Impair Defenses

                                      3
                                      T1562

                                      Disable or Modify Tools

                                      3
                                      T1562.001

                                      Discovery

                                      System Information Discovery

                                      2
                                      T1082

                                      Query Registry

                                      1
                                      T1012

                                      Peripheral Device Discovery

                                      1
                                      T1120

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/3712-0-0x0000000000400000-0x0000000000412000-memory.dmp
                                        Filesize

                                        72KB

                                      • memory/3712-1-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-4-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-3-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-10-0x0000000003D30000-0x0000000003D31000-memory.dmp
                                        Filesize

                                        4KB

                                      • memory/3712-9-0x0000000000590000-0x0000000000592000-memory.dmp
                                        Filesize

                                        8KB

                                      • memory/3712-7-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-17-0x0000000000590000-0x0000000000592000-memory.dmp
                                        Filesize

                                        8KB

                                      • memory/3712-16-0x0000000000590000-0x0000000000592000-memory.dmp
                                        Filesize

                                        8KB

                                      • memory/3712-5-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-6-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-15-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-18-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-19-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-20-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-21-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-22-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-23-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-24-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-25-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-26-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-28-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-29-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-30-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-32-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-33-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-35-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-37-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-40-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-42-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-44-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-46-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-48-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-50-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-52-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-63-0x0000000000590000-0x0000000000592000-memory.dmp
                                        Filesize

                                        8KB

                                      • memory/3712-56-0x0000000000780000-0x000000000183A000-memory.dmp
                                        Filesize

                                        16.7MB

                                      • memory/3712-72-0x0000000000400000-0x0000000000412000-memory.dmp
                                        Filesize

                                        72KB