Analysis

  • max time kernel
    98s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 14:12

General

  • Target

    a68295e279df8c6d7b700f35d5db02cb7da77af750f34ed7a0309c4db9f191e3.dll

  • Size

    120KB

  • MD5

    8bb6cfb36ac9d9fdf8a985f322f1af76

  • SHA1

    0471525c7e38a65fe4e077b0b9374ac641b7fdb8

  • SHA256

    a68295e279df8c6d7b700f35d5db02cb7da77af750f34ed7a0309c4db9f191e3

  • SHA512

    895ce3c0b1f51b9d3fbff7ff07c3fc11e7cba0d97cfab3cc03a326e9d8e2788337753eac042646bc606c14371114102d72570d979c8ab6a61afd7eb0557ce5ee

  • SSDEEP

    3072:tLGVJgXFAaffocAHkpqLSSfEgizZrIiddDLt1qo:NGseafQcAHRm8EgKWirN1

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 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 8 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:64
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:780
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2812
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:2804
              • C:\Windows\system32\rundll32.exe
                rundll32.exe C:\Users\Admin\AppData\Local\Temp\a68295e279df8c6d7b700f35d5db02cb7da77af750f34ed7a0309c4db9f191e3.dll,#1
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1300
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a68295e279df8c6d7b700f35d5db02cb7da77af750f34ed7a0309c4db9f191e3.dll,#1
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4308
                  • C:\Users\Admin\AppData\Local\Temp\e56fec7.exe
                    C:\Users\Admin\AppData\Local\Temp\e56fec7.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
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:5104
                  • C:\Users\Admin\AppData\Local\Temp\e5703f7.exe
                    C:\Users\Admin\AppData\Local\Temp\e5703f7.exe
                    4⤵
                    • Executes dropped EXE
                    PID:1812
                  • C:\Users\Admin\AppData\Local\Temp\e5710e8.exe
                    C:\Users\Admin\AppData\Local\Temp\e5710e8.exe
                    4⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Executes dropped EXE
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4340
                  • C:\Users\Admin\AppData\Local\Temp\e571165.exe
                    C:\Users\Admin\AppData\Local\Temp\e571165.exe
                    4⤵
                    • Executes dropped EXE
                    PID:4844
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
              1⤵
                PID:3092
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3304
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3464
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3392
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3808
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3556
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4684
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2560
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              1⤵
                                PID:2528

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\e56fec7.exe

                                Filesize

                                97KB

                                MD5

                                0aa45bd2dcdfad3d21b00521acb50ee8

                                SHA1

                                4e2d25335d63790f37563270fec1cb940d56cf49

                                SHA256

                                acaf62094817605671bc83d8bce4fcf0e6874baae717c3c37d2bd60e01af4b3f

                                SHA512

                                f9c1aefe4380827cc6ef90d208158fa52889b5b8fa99b043b55e013a18ae1c0e58989e02881e3cb65b351cba86b2044dea0ba3bb0dddb6d56f54f1d4ccb1de19

                              • C:\Users\Admin\AppData\Local\Temp\e56fec7.exe

                                Filesize

                                97KB

                                MD5

                                0aa45bd2dcdfad3d21b00521acb50ee8

                                SHA1

                                4e2d25335d63790f37563270fec1cb940d56cf49

                                SHA256

                                acaf62094817605671bc83d8bce4fcf0e6874baae717c3c37d2bd60e01af4b3f

                                SHA512

                                f9c1aefe4380827cc6ef90d208158fa52889b5b8fa99b043b55e013a18ae1c0e58989e02881e3cb65b351cba86b2044dea0ba3bb0dddb6d56f54f1d4ccb1de19

                              • C:\Users\Admin\AppData\Local\Temp\e5703f7.exe

                                Filesize

                                97KB

                                MD5

                                0aa45bd2dcdfad3d21b00521acb50ee8

                                SHA1

                                4e2d25335d63790f37563270fec1cb940d56cf49

                                SHA256

                                acaf62094817605671bc83d8bce4fcf0e6874baae717c3c37d2bd60e01af4b3f

                                SHA512

                                f9c1aefe4380827cc6ef90d208158fa52889b5b8fa99b043b55e013a18ae1c0e58989e02881e3cb65b351cba86b2044dea0ba3bb0dddb6d56f54f1d4ccb1de19

                              • C:\Users\Admin\AppData\Local\Temp\e5703f7.exe

                                Filesize

                                97KB

                                MD5

                                0aa45bd2dcdfad3d21b00521acb50ee8

                                SHA1

                                4e2d25335d63790f37563270fec1cb940d56cf49

                                SHA256

                                acaf62094817605671bc83d8bce4fcf0e6874baae717c3c37d2bd60e01af4b3f

                                SHA512

                                f9c1aefe4380827cc6ef90d208158fa52889b5b8fa99b043b55e013a18ae1c0e58989e02881e3cb65b351cba86b2044dea0ba3bb0dddb6d56f54f1d4ccb1de19

                              • C:\Users\Admin\AppData\Local\Temp\e5710e8.exe

                                Filesize

                                97KB

                                MD5

                                0aa45bd2dcdfad3d21b00521acb50ee8

                                SHA1

                                4e2d25335d63790f37563270fec1cb940d56cf49

                                SHA256

                                acaf62094817605671bc83d8bce4fcf0e6874baae717c3c37d2bd60e01af4b3f

                                SHA512

                                f9c1aefe4380827cc6ef90d208158fa52889b5b8fa99b043b55e013a18ae1c0e58989e02881e3cb65b351cba86b2044dea0ba3bb0dddb6d56f54f1d4ccb1de19

                              • C:\Users\Admin\AppData\Local\Temp\e5710e8.exe

                                Filesize

                                97KB

                                MD5

                                0aa45bd2dcdfad3d21b00521acb50ee8

                                SHA1

                                4e2d25335d63790f37563270fec1cb940d56cf49

                                SHA256

                                acaf62094817605671bc83d8bce4fcf0e6874baae717c3c37d2bd60e01af4b3f

                                SHA512

                                f9c1aefe4380827cc6ef90d208158fa52889b5b8fa99b043b55e013a18ae1c0e58989e02881e3cb65b351cba86b2044dea0ba3bb0dddb6d56f54f1d4ccb1de19

                              • C:\Users\Admin\AppData\Local\Temp\e571165.exe

                                Filesize

                                97KB

                                MD5

                                0aa45bd2dcdfad3d21b00521acb50ee8

                                SHA1

                                4e2d25335d63790f37563270fec1cb940d56cf49

                                SHA256

                                acaf62094817605671bc83d8bce4fcf0e6874baae717c3c37d2bd60e01af4b3f

                                SHA512

                                f9c1aefe4380827cc6ef90d208158fa52889b5b8fa99b043b55e013a18ae1c0e58989e02881e3cb65b351cba86b2044dea0ba3bb0dddb6d56f54f1d4ccb1de19

                              • C:\Users\Admin\AppData\Local\Temp\e571165.exe

                                Filesize

                                97KB

                                MD5

                                0aa45bd2dcdfad3d21b00521acb50ee8

                                SHA1

                                4e2d25335d63790f37563270fec1cb940d56cf49

                                SHA256

                                acaf62094817605671bc83d8bce4fcf0e6874baae717c3c37d2bd60e01af4b3f

                                SHA512

                                f9c1aefe4380827cc6ef90d208158fa52889b5b8fa99b043b55e013a18ae1c0e58989e02881e3cb65b351cba86b2044dea0ba3bb0dddb6d56f54f1d4ccb1de19

                              • C:\Windows\SYSTEM.INI

                                Filesize

                                257B

                                MD5

                                6c75581dad35cc6c723451bae2537f42

                                SHA1

                                2ed564ff8b8e50a19dcfdbbae997a0a99a502c56

                                SHA256

                                cdf3c31f5db7bae336c168f52e741c9d857fa2d85d99f499da1fb1ad833ff102

                                SHA512

                                43ed4b41ef9b6bb8cf3f5946aa4fc6da87f2b63c18266361439396d40c6b2bd563e5981abf81f8d0e0c132244b243ce345e019f36dbb1175fe2cfe24b0077c25

                              • memory/1812-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/1812-143-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/4308-137-0x0000000010000000-0x0000000010020000-memory.dmp

                                Filesize

                                128KB

                              • memory/4340-159-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4340-150-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/4340-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/4340-157-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4340-154-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4844-161-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/4844-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/4844-160-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/5104-139-0x00000000007A0000-0x000000000185A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/5104-153-0x00000000007A0000-0x000000000185A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/5104-152-0x00000000007A0000-0x000000000185A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/5104-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/5104-136-0x00000000007A0000-0x000000000185A000-memory.dmp

                                Filesize

                                16.7MB