Analysis

  • max time kernel
    28s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 04:54

General

  • Target

    solaris4.exe

  • Size

    96KB

  • MD5

    272fa9a22a31e40c9edbdf44232dc229

  • SHA1

    b2a28298762bc5e8bcea52cde3d653b3d2b772b8

  • SHA256

    32ebef7e02c3f52e6a0776ea1942d35155670f59d334a65beaac4fc964966030

  • SHA512

    357eb0a5456f633add5ecac7d4cf56bda624fb8781a32a4b59f6ed980d0604d5115c33c07ef796225b37028f680106798a12ba4f7aecac02c2fbe31219c8dcc8

  • SSDEEP

    1536:/vSh8E9DItCBr3KW+zTEKZ0Nnljs57Q5/+VYV25GpN/6CyHA+Jn/+h1i:Y9U3IhpOi65y/SA+NC1i

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 5 IoCs

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

  • UPX packed file 22 IoCs

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

  • Drops file in Windows directory 1 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\solaris4.exe
            "C:\Users\Admin\AppData\Local\Temp\solaris4.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 SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2304
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1592

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1108-14-0x0000000001B00000-0x0000000001B02000-memory.dmp

            Filesize

            8KB

          • memory/2304-25-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2304-63-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-8-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-11-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-7-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-6-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-24-0x0000000001B50000-0x0000000001B51000-memory.dmp

            Filesize

            4KB

          • memory/2304-9-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-12-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-26-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2304-22-0x0000000001B50000-0x0000000001B51000-memory.dmp

            Filesize

            4KB

          • memory/2304-21-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2304-13-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-10-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-5-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-28-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-1-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-27-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-30-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-31-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2304-32-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-36-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-41-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-42-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-50-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-51-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-52-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-54-0x0000000002550000-0x00000000035DE000-memory.dmp

            Filesize

            16.6MB

          • memory/2304-72-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2304-81-0x0000000000400000-0x0000000000418000-memory.dmp

            Filesize

            96KB

          • memory/2304-0-0x0000000000400000-0x0000000000418000-memory.dmp

            Filesize

            96KB