Analysis

  • max time kernel
    123s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 05:23

General

  • Target

    fc1ce95f4653461e6d25b983a404b5b6db04475fe08c0160a78efc7cf72a323d.exe

  • Size

    65KB

  • MD5

    8b60e9f23bb20269bcb71bd9a309a1ee

  • SHA1

    73674cee7a179e3a38966d15ccc1aee72e433d7b

  • SHA256

    fc1ce95f4653461e6d25b983a404b5b6db04475fe08c0160a78efc7cf72a323d

  • SHA512

    5d15d35f5c3e7118de06b43c6d1c8d9532b42bcbb8159a77c2c4664896a70cdf5f30272182bc8fd48efe7e7fc891fb97276d9dc17ebb9eee9bc2efdd9b0561ec

  • SSDEEP

    1536:/PmUd7ZxhQxjxgwbPYT+Tu5En54F25sQyxzow3MPgu9D9AZ5:/n7ZIgwbPYT+TKEnD5sQGoLH95AZ5

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 30 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\System32\dzuhbf.exe
            "C:\Windows\System32\dzuhbf.exe"
            2⤵
              PID:1588
            • C:\Users\Admin\AppData\Local\Temp\fc1ce95f4653461e6d25b983a404b5b6db04475fe08c0160a78efc7cf72a323d.exe
              "C:\Users\Admin\AppData\Local\Temp\fc1ce95f4653461e6d25b983a404b5b6db04475fe08c0160a78efc7cf72a323d.exe"
              2⤵
              • Modifies firewall policy service
              • UAC bypass
              • Windows security bypass
              • Windows security modification
              • Checks whether UAC is enabled
              • Enumerates connected drives
              • Drops autorun.inf file
              • Drops file in Program Files directory
              • 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:2400
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:1516

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\fdvbgy.pif

              Filesize

              97KB

              MD5

              1a16a4dc3615a6e1579cf720de2ae333

              SHA1

              43ee7dcbf107f1366ffff4104a73326589bf87f3

              SHA256

              bf77063edb5944fd24a11937ffa6eb89bc458e81cd0233002440b68162eec27c

              SHA512

              8cfc94cef33fb58993909009313e9e2ae7c6eb91f7ce69e9c7b31df8bfbdbffdb4acf2c309dd4c8fa4cc73081755306a74607b2dcfd1937aff0246506f1a5579

            • memory/1116-18-0x0000000000410000-0x0000000000412000-memory.dmp

              Filesize

              8KB

            • memory/2400-37-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-5-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-8-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-33-0x0000000003E60000-0x0000000003E62000-memory.dmp

              Filesize

              8KB

            • memory/2400-32-0x0000000003E60000-0x0000000003E62000-memory.dmp

              Filesize

              8KB

            • memory/2400-7-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-31-0x0000000003EB0000-0x0000000003EB1000-memory.dmp

              Filesize

              4KB

            • memory/2400-29-0x0000000003EB0000-0x0000000003EB1000-memory.dmp

              Filesize

              4KB

            • memory/2400-0-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2400-9-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-6-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-4-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-11-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-3-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-12-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-35-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-34-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-36-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-28-0x0000000003E60000-0x0000000003E62000-memory.dmp

              Filesize

              8KB

            • memory/2400-10-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-53-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-41-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-48-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-49-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-52-0x0000000003E60000-0x0000000003E62000-memory.dmp

              Filesize

              8KB

            • memory/2400-40-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-56-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-57-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-59-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-61-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-65-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-66-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-69-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-71-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-72-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-82-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-38-0x00000000005D0000-0x000000000168A000-memory.dmp

              Filesize

              16.7MB

            • memory/2400-137-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB