Analysis

  • max time kernel
    33s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 07:28

General

  • Target

    a2c5c5d4857654116255da02cfff15514b233d14e49caf80e4144ac930982422N.dll

  • Size

    120KB

  • MD5

    a8827018f7cd9d73c946dd7c902f55d0

  • SHA1

    87ffb08d089bc3bb13448a71f29082ef52a88a68

  • SHA256

    a2c5c5d4857654116255da02cfff15514b233d14e49caf80e4144ac930982422

  • SHA512

    2481b043706b4ed747755a29616cbda75b70dbb7001eef1550f5908e99d2c808a3754884f1c9761eccbe34b8ea78ae5d0e9ec2fc57fbce44a5b429648c54756b

  • SSDEEP

    1536:fcqlMQcs4Q0mS67X3wZR5aC2ndTQ/gRz0KpEbFA1WgNYY59mejj:fcVQcs4Q05LZiC2ndM/gN/oFAr59b

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 3 TTPs 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • UPX packed file 28 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2488
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2524
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2672
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3388
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2c5c5d4857654116255da02cfff15514b233d14e49caf80e4144ac930982422N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4664
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2c5c5d4857654116255da02cfff15514b233d14e49caf80e4144ac930982422N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:5064
                      • C:\Users\Admin\AppData\Local\Temp\e57c246.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c246.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • 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:3520
                      • C:\Users\Admin\AppData\Local\Temp\e57c3bd.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c3bd.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:548
                      • C:\Users\Admin\AppData\Local\Temp\e57f3a7.exe
                        C:\Users\Admin\AppData\Local\Temp\e57f3a7.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4432
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3924
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4072
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4116
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2220
                              • 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:3376

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57c246.exe

                                  Filesize

                                  97KB

                                  MD5

                                  94abf21777afb8a9a699661b0254852f

                                  SHA1

                                  245a08e48baf315257e18fc99aa747aa1077237b

                                  SHA256

                                  50c384fe69129e7cbee131f0709102680224f39cde20e6192159c1a7a6a1faa7

                                  SHA512

                                  212480cc4b657d0bc55718b169501545de1062a3468f75d95b0b0ee52472c3422cce7f71c6833dbc42312032db9f099e529ed6d2d8822af40464bf794a4d4e4f

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  0ff84399f23b44e183dee1d6f6cdaa1d

                                  SHA1

                                  4436ec2314e744afcec624df9d343cbb3ac1cd49

                                  SHA256

                                  d1c334ceeeb8a471ad5eda41f041717ce3f116f1759f8d1e15cc56f100b83924

                                  SHA512

                                  e306c55a20444dcb67d25d6024e8fc6a459cab99072765ff779a1fc35f530ebbb3aaebdaa75fe95c2d2a3765e472f49690f12b7786d67e4eab5778f318610443

                                • memory/548-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/548-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/548-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/548-97-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/548-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3520-34-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-70-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-32-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-13-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-28-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3520-46-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-17-0x0000000001A80000-0x0000000001A81000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3520-51-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3520-35-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-29-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3520-26-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3520-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-93-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3520-25-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-74-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-72-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-45-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-57-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-58-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-59-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-61-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3520-69-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4432-119-0x0000000004370000-0x0000000004371000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4432-109-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4432-130-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4432-118-0x0000000003A20000-0x0000000003A22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4432-132-0x0000000003A20000-0x0000000003A22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4432-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4432-155-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5064-14-0x0000000001420000-0x0000000001422000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5064-15-0x0000000004290000-0x0000000004291000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/5064-27-0x0000000001420000-0x0000000001422000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5064-22-0x0000000001420000-0x0000000001422000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5064-50-0x0000000001420000-0x0000000001422000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5064-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB