Resubmissions

18-05-2024 14:10

240518-rg6eqsfb4x 10

18-05-2024 14:10

240518-rgp3rafc27 3

18-05-2024 14:09

240518-rgddysfa9y 3

18-03-2024 14:24

240318-rqx5qaah85 10

Analysis

  • max time kernel
    34s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 14:10

General

  • Target

    d3bb4b2f24749935ceec7e23742f799a.exe

  • Size

    189KB

  • MD5

    d3bb4b2f24749935ceec7e23742f799a

  • SHA1

    7b072456fdd704402addbdd27092f3ebeeac4e48

  • SHA256

    d7d5c378655d1219fa9651e8560658e054e31d0f30318b642b2b52516d19dc44

  • SHA512

    f83102d852ee494e66aa73d9a50a81c190642c6adf86a0ee42baa234d911ca4349bf205407ffa79e096a471aee7ed41c5a1f035b81ecb3b838d4c88820e4951e

  • SSDEEP

    3072:JkVD1BSqao9c3HwsanTdgyOxsP+f+ZK3VQVveUla2y:mSqjc3HsTaxoqr6mUxy

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

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 11 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2524
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2556
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2652
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3212
                  • C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe
                    "C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe"
                    2⤵
                    • UAC bypass
                    • Loads dropped DLL
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of UnmapMainImage
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3048
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 720
                      3⤵
                      • Program crash
                      PID:4588
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3712
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3904
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3996
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3048 -ip 3048
                        1⤵
                          PID:1488
                        • C:\Windows\system32\OpenWith.exe
                          C:\Windows\system32\OpenWith.exe -Embedding
                          1⤵
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:4452

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\~TM3F6A.tmp

                          Filesize

                          1.6MB

                          MD5

                          4f3387277ccbd6d1f21ac5c07fe4ca68

                          SHA1

                          e16506f662dc92023bf82def1d621497c8ab5890

                          SHA256

                          767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

                          SHA512

                          9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

                        • memory/3048-9-0x0000000003230000-0x0000000004260000-memory.dmp

                          Filesize

                          16.2MB

                        • memory/3048-13-0x0000000003230000-0x0000000004260000-memory.dmp

                          Filesize

                          16.2MB

                        • memory/3048-15-0x0000000000400000-0x0000000000425000-memory.dmp

                          Filesize

                          148KB

                        • memory/3048-18-0x00000000009E0000-0x00000000009E1000-memory.dmp

                          Filesize

                          4KB

                        • memory/3048-7-0x0000000000400000-0x0000000000425000-memory.dmp

                          Filesize

                          148KB

                        • memory/3048-14-0x0000000000400000-0x0000000000425000-memory.dmp

                          Filesize

                          148KB

                        • memory/3048-8-0x0000000000400000-0x0000000000425000-memory.dmp

                          Filesize

                          148KB

                        • memory/3048-0-0x0000000000400000-0x0000000000433000-memory.dmp

                          Filesize

                          204KB

                        • memory/3048-17-0x0000000000400000-0x0000000000425000-memory.dmp

                          Filesize

                          148KB

                        • memory/3048-6-0x0000000000400000-0x0000000000425000-memory.dmp

                          Filesize

                          148KB

                        • memory/3048-5-0x0000000000400000-0x0000000000425000-memory.dmp

                          Filesize

                          148KB

                        • memory/3048-3-0x0000000003230000-0x0000000004260000-memory.dmp

                          Filesize

                          16.2MB

                        • memory/3048-1-0x0000000003230000-0x0000000004260000-memory.dmp

                          Filesize

                          16.2MB

                        • memory/3048-24-0x0000000077A12000-0x0000000077A13000-memory.dmp

                          Filesize

                          4KB

                        • memory/3048-23-0x0000000077A12000-0x0000000077A14000-memory.dmp

                          Filesize

                          8KB

                        • memory/3048-22-0x00000000779ED000-0x00000000779EF000-memory.dmp

                          Filesize

                          8KB