Overview

overview

10

Static

static

a7f5d39ea0...e7.exe

windows7-x64

10

a7f5d39ea0...e7.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2022, 08:35

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General

  • Target

    a7f5d39ea0c7877c28f2e07009f3acfc05da1a43fe37e3319d4047fe148421e7.exe

  • Size

    126KB

  • MD5

    21f0272ed15877dceaa41edc7e05dc31

  • SHA1

    aab2dbda4c81f649bb9f1387545fee09a6955484

  • SHA256

    a7f5d39ea0c7877c28f2e07009f3acfc05da1a43fe37e3319d4047fe148421e7

  • SHA512

    86458c9d0b67e1642f12c36f75c4a623849b4e0d6336f54f7ed5d456554cb12995eeab1ff558b77cf41b8b70ca4f5584862e760ffc46ddf914088b95278c1bbb

  • SSDEEP

    3072:YLTJeFIQW0qP/K0LM5ITVCpcPFyPOfr0mH3+:YLOIQHqP/9gBWtkmX+

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 2 IoCs

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

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1016
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:792
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2456
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:2704
              • C:\Users\Admin\AppData\Local\Temp\a7f5d39ea0c7877c28f2e07009f3acfc05da1a43fe37e3319d4047fe148421e7.exe
                "C:\Users\Admin\AppData\Local\Temp\a7f5d39ea0c7877c28f2e07009f3acfc05da1a43fe37e3319d4047fe148421e7.exe"
                2⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:4756
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3428
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4628
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                  1⤵
                    PID:2288
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                    1⤵
                      PID:1456
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:524
                      • C:\Windows\system32\backgroundTaskHost.exe
                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                        1⤵
                          PID:5092
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3696
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:3516
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                                PID:3364
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                1⤵
                                  PID:3264
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                  1⤵
                                    PID:2904
                                  • C:\Windows\system32\taskhostw.exe
                                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                    1⤵
                                      PID:2788
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                      1⤵
                                        PID:2532

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • memory/4756-133-0x0000000000400000-0x000000000041E000-memory.dmp

                                        Filesize

                                        120KB

                                        Download

                                      • memory/4756-132-0x0000000002460000-0x00000000034EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                        Download

                                      • memory/4756-134-0x0000000002460000-0x00000000034EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                        Download