Analysis

  • max time kernel
    81s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 00:05

General

  • Target

    4fc94e18d719cfc4d0213e536243d9db04bf898431520dc5493f0d7609649146N.exe

  • Size

    142KB

  • MD5

    b5f1e6a0a1c96f979a5134910fcfefc0

  • SHA1

    9c1cac860a0e84886d6cdf23e13e7cf74fcef833

  • SHA256

    4fc94e18d719cfc4d0213e536243d9db04bf898431520dc5493f0d7609649146

  • SHA512

    e82505b7d5f063048471416156318f8b8e2cf42af69b062195caccd4a5e0f42279e2b55004e94bdbbcfeeab010e6cd4351013fe4a2415b32e745597676b6c019

  • SSDEEP

    3072:5XyMOpvplBfFOW4L0ZhcmTsBYMl3hykFXOZw/ixpjXZgq:ZyMOphlzCehc8qYKXW3f

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 10 IoCs

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

  • UPX packed file 26 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1120
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Users\Admin\AppData\Local\Temp\4fc94e18d719cfc4d0213e536243d9db04bf898431520dc5493f0d7609649146N.exe
            "C:\Users\Admin\AppData\Local\Temp\4fc94e18d719cfc4d0213e536243d9db04bf898431520dc5493f0d7609649146N.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
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2668
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1140

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1060-18-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2668-31-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-93-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/2668-12-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-8-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-29-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/2668-28-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/2668-27-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/2668-25-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/2668-32-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-11-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-9-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-7-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-6-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-5-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-3-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-10-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-30-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-0-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/2668-24-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/2668-4-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-41-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-36-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-37-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-38-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-39-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-34-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-43-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-55-0x0000000004E80000-0x0000000004E82000-memory.dmp

            Filesize

            8KB

          • memory/2668-54-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

            Filesize

            4KB

          • memory/2668-57-0x0000000004E80000-0x0000000004E82000-memory.dmp

            Filesize

            8KB

          • memory/2668-56-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/2668-59-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-61-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-63-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-69-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-83-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/2668-33-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-94-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB