Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 20:11

General

  • Target

    317590c2576ef4c7b8ad058c5af9c3b4a07537915c4c9cc1c744d78eee022198.exe

  • Size

    65KB

  • MD5

    4359c053fba5ffeb57f2bb7eff929bbe

  • SHA1

    988a9c3b3633d32ca7b67647c3b3fcd25df7e7d7

  • SHA256

    317590c2576ef4c7b8ad058c5af9c3b4a07537915c4c9cc1c744d78eee022198

  • SHA512

    d3b542f829a880e412a5f83ec8cdc5fafdfc0598d9227199780999fa89b316766737a10bef6310cf6e21b996622d91cb2fd8be1bb575c7960a8f95008637ea5f

  • SSDEEP

    1536:0zRaGTGAWW/IFn8iZPENXyrjbyBPlmdNLYIu4BUImoS:MR2y/IFn8nXWyrmdN/BIn

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 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 33 IoCs
  • UPX dump on OEP (original entry point) 34 IoCs
  • UPX packed file 33 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\317590c2576ef4c7b8ad058c5af9c3b4a07537915c4c9cc1c744d78eee022198.exe
            "C:\Users\Admin\AppData\Local\Temp\317590c2576ef4c7b8ad058c5af9c3b4a07537915c4c9cc1c744d78eee022198.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 Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2268
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1640

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1112-12-0x0000000000420000-0x0000000000422000-memory.dmp
            Filesize

            8KB

          • memory/2268-37-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-7-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-6-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2268-4-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-3-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-18-0x0000000000290000-0x0000000000292000-memory.dmp
            Filesize

            8KB

          • memory/2268-9-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-19-0x00000000002A0000-0x00000000002A1000-memory.dmp
            Filesize

            4KB

          • memory/2268-5-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-30-0x0000000000290000-0x0000000000292000-memory.dmp
            Filesize

            8KB

          • memory/2268-10-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-29-0x0000000000290000-0x0000000000292000-memory.dmp
            Filesize

            8KB

          • memory/2268-8-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-24-0x00000000002A0000-0x00000000002A1000-memory.dmp
            Filesize

            4KB

          • memory/2268-38-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-31-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-32-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-33-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-34-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-107-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-22-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-11-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-39-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-41-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-43-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-55-0x0000000001830000-0x0000000001832000-memory.dmp
            Filesize

            8KB

          • memory/2268-54-0x0000000001830000-0x0000000001832000-memory.dmp
            Filesize

            8KB

          • memory/2268-53-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
            Filesize

            4KB

          • memory/2268-56-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-58-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-60-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-61-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-63-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-66-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-67-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-71-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-72-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-80-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-81-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-82-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-35-0x0000000000630000-0x00000000016EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2268-106-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB