Analysis

  • max time kernel
    95s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 09:57

General

  • Target

    e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

  • Size

    1.8MB

  • MD5

    83eb724f34d7d9792ce881cadab094e8

  • SHA1

    a4f72e89587d86f5d6e7f747eaf1bd75702c09f4

  • SHA256

    e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c

  • SHA512

    d0b5b2e8b29346a7ccf6780c7ede516ae36d2cdf771f6e7e440b99988cccf68455a09212f444926f6d78da455dbc1a29a6bcecd2dd469a5d898609a063a05c01

  • SSDEEP

    49152:DNByELjLU6maRBJ8weUgU4QMG3cCD0fsL2Bj:BDjQ6pJjTL4QMG3cCWsiBj

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

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:760
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:764
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3048
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2624
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3100
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3472
                  • C:\Users\Admin\AppData\Local\Temp\e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
                    "C:\Users\Admin\AppData\Local\Temp\e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
                    • Checks BIOS information in registry
                    • Identifies Wine through registry keys
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3756
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3588
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3792
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3884
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3956
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4052
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4212
                            • 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:4732
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3744
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2856

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/3756-0-0x0000000000400000-0x0000000000AAC000-memory.dmp

                                    Filesize

                                    6.7MB

                                  • memory/3756-1-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-4-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-12-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-3-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-14-0x0000000003FA0000-0x0000000003FA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3756-5-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-15-0x0000000004670000-0x0000000004671000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3756-6-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-17-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-21-0x0000000076FE4000-0x0000000076FE6000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3756-13-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-19-0x0000000003FA0000-0x0000000003FA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3756-16-0x0000000003FA0000-0x0000000003FA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3756-18-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3756-26-0x0000000003FA0000-0x0000000003FA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3756-25-0x0000000000400000-0x0000000000AAC000-memory.dmp

                                    Filesize

                                    6.7MB

                                  • memory/3756-24-0x0000000000401000-0x0000000000418000-memory.dmp

                                    Filesize

                                    92KB

                                  • memory/3756-22-0x0000000000E70000-0x0000000001F2A000-memory.dmp

                                    Filesize

                                    16.7MB