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Analysis

  • max time kernel
    50s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 22:40

General

  • Target

    63bba24b5df06c6ef48e6a3ba9e967f8f34cd22df6ed7d9744559f8b8faeb7a9.exe

  • Size

    282KB

  • MD5

    4e329b43d4d3d9ae7d34c2c93aa52ba9

  • SHA1

    14347433cb7954222b901c8c18e7d4c040ae7ad0

  • SHA256

    63bba24b5df06c6ef48e6a3ba9e967f8f34cd22df6ed7d9744559f8b8faeb7a9

  • SHA512

    72a92c55be81719693c1f80cc5d8c1716b7ffd210188474594477515b33868fc1eb51359356ce9259dfd8b3f9674516ecad28c305a274e5264579b9d68c9217a

  • SSDEEP

    3072:SObjCPedQsoaRJU7KF+6aLK2IJqi6uS+gkDstXKJVqv8d0JG2wmVVW8wwWjwnCms:SXPEQaNJVYlNsJlsjzdjXYL9

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
  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 15 IoCs
  • UPX dump on OEP (original entry point) 16 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Stops running service(s) 3 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 3 IoCs
  • UPX packed file 15 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 3 IoCs
  • Launches sc.exe 7 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 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:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3052
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3104
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3184
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3528
                  • C:\Users\Admin\AppData\Local\Temp\63bba24b5df06c6ef48e6a3ba9e967f8f34cd22df6ed7d9744559f8b8faeb7a9.exe
                    "C:\Users\Admin\AppData\Local\Temp\63bba24b5df06c6ef48e6a3ba9e967f8f34cd22df6ed7d9744559f8b8faeb7a9.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 System32 directory
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: RenamesItself
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2176
                    • C:\Windows\SysWOW64\Rundll32.exe
                      Rundll32 C:\Windows\system32\slidmgaa.dll Exxcute
                      3⤵
                      • Checks computer location settings
                      • Loads dropped DLL
                      • Drops file in Program Files directory
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of WriteProcessMemory
                      PID:232
                      • C:\Windows\SysWOW64\net.exe
                        net stop WinDefend
                        4⤵
                          PID:3088
                          • C:\Windows\System32\Conhost.exe
                            \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                            5⤵
                              PID:2564
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop WinDefend
                              5⤵
                                PID:2744
                            • C:\Windows\SysWOW64\net.exe
                              net stop MpsSvc
                              4⤵
                                PID:1220
                                • C:\Windows\SysWOW64\net1.exe
                                  C:\Windows\system32\net1 stop MpsSvc
                                  5⤵
                                    PID:696
                                • C:\Windows\SysWOW64\sc.exe
                                  sc config WinDefend start= disabled
                                  4⤵
                                  • Launches sc.exe
                                  PID:2528
                                • C:\Windows\SysWOW64\sc.exe
                                  sc config MpsSvc start= disabled
                                  4⤵
                                  • Launches sc.exe
                                  PID:1916
                                • C:\Windows\SysWOW64\sc.exe
                                  sc stop ZhuDongFangYu
                                  4⤵
                                  • Launches sc.exe
                                  PID:1436
                                • C:\Windows\SysWOW64\sc.exe
                                  sc delete ZhuDongFangYu
                                  4⤵
                                  • Launches sc.exe
                                  PID:2348
                                • C:\Windows\SysWOW64\sc.exe
                                  sc stop 360rp
                                  4⤵
                                  • Launches sc.exe
                                  PID:3216
                                • C:\Windows\SysWOW64\sc.exe
                                  sc delete 360rp
                                  4⤵
                                  • Launches sc.exe
                                  PID:4296
                                • C:\Windows\SysWOW64\sc.exe
                                  "C:\Windows\System32\sc.exe" stop PolicyAgent
                                  4⤵
                                  • Launches sc.exe
                                  PID:2440
                              • C:\Windows\SysWOW64\Rundll32.exe
                                Rundll32 C:\Windows\system32\kbogmgaa.dll Exucute
                                3⤵
                                • Modifies firewall policy service
                                • UAC bypass
                                • Windows security bypass
                                • Blocklisted process makes network request
                                • Loads dropped DLL
                                • Windows security modification
                                • Adds Run key to start application
                                • Checks whether UAC is enabled
                                • Enumerates connected drives
                                • Drops file in Windows directory
                                • Suspicious behavior: EnumeratesProcesses
                                • System policy modification
                                PID:728
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3668
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              1⤵
                                PID:3852
                              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                1⤵
                                  PID:3948
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4012
                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                    1⤵
                                      PID:3168
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4208
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2900
                                        • 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:5004
                                          • C:\Windows\system32\backgroundTaskHost.exe
                                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                            1⤵
                                              PID:3540
                                            • C:\Windows\system32\backgroundTaskHost.exe
                                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                              1⤵
                                                PID:4912
                                              • C:\Windows\system32\backgroundTaskHost.exe
                                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                1⤵
                                                  PID:3664
                                                • C:\Windows\System32\RuntimeBroker.exe
                                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                  1⤵
                                                    PID:2612
                                                  • C:\Windows\System32\RuntimeBroker.exe
                                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                    1⤵
                                                      PID:4100

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

                                                    • C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe

                                                      Filesize

                                                      423KB

                                                      MD5

                                                      eefe59f74029d4b0212c8bbee24aa604

                                                      SHA1

                                                      f0b4a96f7a1ad1fcc83e82209ea629d4cc369c9a

                                                      SHA256

                                                      ca3155911cbfa1dd0bab62592c1a99a2294161c189fa395d1996c920483fbb4c

                                                      SHA512

                                                      9121890bf6b9586a88e2a6ffd81d63a92baa914d619f871341525287448c1c7b34db080769143a865b9920fa7d7283542d45cb7c106bb6e00115073613b2716d

                                                    • C:\Users\Admin\AppData\Local\Temp\5CC6.tmp

                                                      Filesize

                                                      4.3MB

                                                      MD5

                                                      6c7cdd25c2cb0073306eb22aebfc663f

                                                      SHA1

                                                      a1eba8ab49272b9852fe6a543677e8af36271248

                                                      SHA256

                                                      58280e3572333f97a7cf9f33e8d31dc26a98b6535965ebd0bde82249fc9bf705

                                                      SHA512

                                                      17344e07b9e9b2cd6ae4237d7f310732462f9cbb8656883607d7a1a4090e869265f92a6da1718dee50b1375b91583de60c6bd9e7e8db6b6e45e33f4b894365d6

                                                    • C:\Windows\SYSTEM.INI

                                                      Filesize

                                                      257B

                                                      MD5

                                                      d9d6fff5a47426ff9e10fa41abee4a00

                                                      SHA1

                                                      3a425a5a0549e762d3d60e4cf649a8df0c0d2f61

                                                      SHA256

                                                      4230f5996b5c94c33f20ade9152e9eac738c1b5b4d8fc5df4c34cb521c145884

                                                      SHA512

                                                      6f7455e71344025c02116f6b093392f1961b91dc278d3e67422dd7d6eb89025378d20dfeebdaa26a13c3bb21320ce74ef347b7a41785b7ca5c61ecabc32b4bca

                                                    • C:\Windows\SysWOW64\kbogmgaa.dll

                                                      Filesize

                                                      22KB

                                                      MD5

                                                      a3ef28ba7455d1c1d64dda9e671ceeb4

                                                      SHA1

                                                      f38fb6d8a939f38e629be107669ba33c2d0a5490

                                                      SHA256

                                                      ef23a1ba0b5705aa5fe4b3a2b155c793c0cb6d219ad53208ba29594e4693d978

                                                      SHA512

                                                      9b6b25c880b5a73e9b165ac1019005dd4335e024fe7987fd562aa96ca74029b1c8c535938f5623dc223f1cf74f21b1b05c9361b52757267fdd1b34597bf89d3a

                                                    • C:\Windows\SysWOW64\slidmgaa.dll

                                                      Filesize

                                                      76KB

                                                      MD5

                                                      571b5bf943a03b56627aae4ccb0841d9

                                                      SHA1

                                                      fc0d40a3ed252ab6440466dda2db2967df18e7c6

                                                      SHA256

                                                      4afa0c12a66a020512ea1674be986ea7210f067c38612ac74bc766e86b4283e3

                                                      SHA512

                                                      e43bf28477b2da4d07a7134a9a6c54ad1ec348b6dfe93fdc43370f4afc6cbec2540036e8b38b9a45d1a579292a60fcfab580ac8d1c4ecc7b59df333359edf578

                                                    • C:\fjxx.exe

                                                      Filesize

                                                      97KB

                                                      MD5

                                                      5e00c50bf43f89f678fa1e3fc6f246d5

                                                      SHA1

                                                      4aa8f90a45b03613e579adda64f806c04a8970d6

                                                      SHA256

                                                      530e54df0cfee269cd9c12c172029ff89a0f31d77412de0d8cbb2c29c7896382

                                                      SHA512

                                                      bb14bafc9b54f62ef1d097ccab2c2daca19fb41d94c1cd1dffbe1ae1891a39269cb67c9481eed51b0d9f6da77bc588d1e766e6bdc749a2a949a8007c6cf9bbc9

                                                    • memory/232-22-0x00000000028D0000-0x00000000028D1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/232-72-0x0000000002840000-0x0000000002842000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/232-32-0x0000000002840000-0x0000000002842000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/728-167-0x0000000002AF0000-0x0000000002AF2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/728-107-0x0000000002B80000-0x0000000002B81000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/728-106-0x0000000002AF0000-0x0000000002AF2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/728-239-0x0000000002CB0000-0x0000000003D6A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/728-171-0x0000000002CB0000-0x0000000003D6A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/1220-55-0x0000000000790000-0x0000000000792000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/1220-82-0x0000000000790000-0x0000000000792000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/1220-39-0x00000000007F0000-0x00000000007F1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1916-50-0x0000000000570000-0x0000000000571000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1916-69-0x0000000000520000-0x0000000000522000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/1916-61-0x0000000000520000-0x0000000000522000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/2176-62-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-0-0x0000000000400000-0x0000000000438000-memory.dmp

                                                      Filesize

                                                      224KB

                                                    • memory/2176-49-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-5-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-65-0x00000000034C0000-0x00000000034C2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/2176-9-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-43-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-19-0x00000000034C0000-0x00000000034C2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/2176-38-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-7-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-11-0x00000000034C0000-0x00000000034C2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/2176-10-0x0000000003320000-0x0000000003321000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2176-33-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-14-0x00000000034D0000-0x00000000034D1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2176-58-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-53-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-166-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-20-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-12-0x00000000021A0000-0x000000000325A000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/2176-165-0x0000000000400000-0x0000000000438000-memory.dmp

                                                      Filesize

                                                      224KB

                                                    • memory/2528-44-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2528-78-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/2528-68-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/2528-63-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/3088-34-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/3088-47-0x0000000000CC0000-0x0000000000CC2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/3088-88-0x0000000000CC0000-0x0000000000CC2000-memory.dmp

                                                      Filesize

                                                      8KB