Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    03/11/2023, 11:06

General

  • Target

    NEAS.39a4ae832d000b3cf1cc625b3e54f280.exe

  • Size

    97KB

  • MD5

    39a4ae832d000b3cf1cc625b3e54f280

  • SHA1

    a747c2f9c73523ba48fa293b48dd78034613de6f

  • SHA256

    49b956a6629ce26157e1bbf636f29bbeec85061fb98ea417644a978d8b459d50

  • SHA512

    7724b757c101b49cd15529913f1885f4fe7bfc87dd5c7cfcb2d3982d14d7f28caba474e73a7299846ae07d2a91daaeb5d43bb313ce42aa5c04677d5db792df5e

  • SSDEEP

    1536:TBPMewncuvkDS8orHodqNryDA310lgNFhkR0AwgRCiNt6:TBPyncuX0EpyDAF0uo0Aw2Q

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
  • UPX packed file 22 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 7 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1284
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:1932
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1336
          • C:\Users\Admin\AppData\Local\Temp\NEAS.39a4ae832d000b3cf1cc625b3e54f280.exe
            "C:\Users\Admin\AppData\Local\Temp\NEAS.39a4ae832d000b3cf1cc625b3e54f280.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:2124
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1204

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/1204-6-0x0000000001C60000-0x0000000001C62000-memory.dmp

                  Filesize

                  8KB

                • memory/2124-28-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-37-0x0000000000290000-0x0000000000292000-memory.dmp

                  Filesize

                  8KB

                • memory/2124-2-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-5-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-8-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-12-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-14-0x0000000000290000-0x0000000000292000-memory.dmp

                  Filesize

                  8KB

                • memory/2124-19-0x0000000000290000-0x0000000000292000-memory.dmp

                  Filesize

                  8KB

                • memory/2124-16-0x00000000002A0000-0x00000000002A1000-memory.dmp

                  Filesize

                  4KB

                • memory/2124-21-0x00000000002A0000-0x00000000002A1000-memory.dmp

                  Filesize

                  4KB

                • memory/2124-15-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-22-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-27-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-0-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2124-4-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-29-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-39-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-33-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-34-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-36-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-31-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-38-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-32-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-44-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-46-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-48-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-52-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-56-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2124-62-0x0000000000290000-0x0000000000292000-memory.dmp

                  Filesize

                  8KB

                • memory/2124-76-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB