Analysis

  • max time kernel
    127s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2025 01:21

General

  • Target

    891fb8985e09d529b794d77197667b61f018a9cb862626935bd328faa8d02978.exe

  • Size

    77KB

  • MD5

    9d0ee38d1db257c96791452f53d98e4b

  • SHA1

    a5e856225857916b8f650fcbe5187f2593b4fe8b

  • SHA256

    891fb8985e09d529b794d77197667b61f018a9cb862626935bd328faa8d02978

  • SHA512

    6dc6db68916f27d5308bf6731c22ee30f407851e67ceac8e3fb543cbbf4837a21889275a3be26bbad7b7072c31949293d0d1c321b80d005da317daee92f4aa1d

  • SSDEEP

    1536:RXV33f0L1yWnNaG3fS9L0/eOnrRJjktstyFSMNZT2LRp3S:RpuFYuS90WOrTztiSMbaLRw

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 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 25 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 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 31 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Users\Admin\AppData\Local\Temp\891fb8985e09d529b794d77197667b61f018a9cb862626935bd328faa8d02978.exe
            "C:\Users\Admin\AppData\Local\Temp\891fb8985e09d529b794d77197667b61f018a9cb862626935bd328faa8d02978.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:2180
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1224

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\frhw.exe

            Filesize

            100KB

            MD5

            ec971a33eddb50d2f2e50579758f1286

            SHA1

            8fc14dbbcd08c257d065c03e23cbd66731534dd7

            SHA256

            6f95420120aa4585c1cec86ae358c8816ac089d68286c1c6a8524879ed702443

            SHA512

            fc1d11e65846474c8be38ece302bdf445afe561f8b6cc6644425f89d8dd27999b6f54577b4bbdb6cac4955d0ed3d47a2eef544a092f8b22962f42e49f5484423

          • memory/1108-12-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2180-30-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-27-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2180-0-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2180-32-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-26-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2180-25-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/2180-22-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/2180-21-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2180-1-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-5-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-11-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-4-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-3-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-9-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-29-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-28-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-6-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-31-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-8-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-34-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-35-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-36-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-39-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-53-0x0000000004390000-0x0000000004391000-memory.dmp

            Filesize

            4KB

          • memory/2180-56-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2180-55-0x0000000004210000-0x0000000004212000-memory.dmp

            Filesize

            8KB

          • memory/2180-57-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-60-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-62-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-64-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-65-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-67-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-69-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-75-0x0000000004210000-0x0000000004212000-memory.dmp

            Filesize

            8KB

          • memory/2180-7-0x0000000001D60000-0x0000000002DEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2180-154-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB