Analysis

  • max time kernel
    29s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 04:50

General

  • Target

    solaris (4).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 20 IoCs

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

  • UPX packed file 29 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • 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 25 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Users\Admin\AppData\Local\Temp\solaris (4).exe
            "C:\Users\Admin\AppData\Local\Temp\solaris (4).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 Program Files directory
            • 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:2428
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1204

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1100-15-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2428-29-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-63-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-6-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-9-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-3-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-7-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-30-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-14-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-13-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-10-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-26-0x0000000000890000-0x0000000000892000-memory.dmp

            Filesize

            8KB

          • memory/2428-25-0x0000000003550000-0x0000000003551000-memory.dmp

            Filesize

            4KB

          • memory/2428-23-0x0000000003550000-0x0000000003551000-memory.dmp

            Filesize

            4KB

          • memory/2428-22-0x0000000000890000-0x0000000000892000-memory.dmp

            Filesize

            8KB

          • memory/2428-1-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-8-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-5-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-32-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-27-0x0000000000890000-0x0000000000892000-memory.dmp

            Filesize

            8KB

          • memory/2428-4-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-28-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-33-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-34-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-36-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-37-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-40-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-42-0x0000000000890000-0x0000000000892000-memory.dmp

            Filesize

            8KB

          • memory/2428-56-0x00000000057F0000-0x00000000057F2000-memory.dmp

            Filesize

            8KB

          • memory/2428-55-0x0000000005800000-0x0000000005801000-memory.dmp

            Filesize

            4KB

          • memory/2428-44-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-57-0x00000000057F0000-0x00000000057F2000-memory.dmp

            Filesize

            8KB

          • memory/2428-58-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-59-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-62-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-0-0x0000000000400000-0x0000000000418000-memory.dmp

            Filesize

            96KB

          • memory/2428-66-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-69-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-70-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-118-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2428-117-0x0000000000400000-0x0000000000418000-memory.dmp

            Filesize

            96KB