Analysis

  • max time kernel
    20s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2025 01:49

General

  • Target

    99cecf1d7e103d28a1b14afdbdf2bff2189e5015eaf7697ca0157e9cf100b59dN.exe

  • Size

    65KB

  • MD5

    b74fd3d9a40bfc44c2da754ab903f210

  • SHA1

    030e43dc7dfd58cce5ae230a44710ddb705602af

  • SHA256

    99cecf1d7e103d28a1b14afdbdf2bff2189e5015eaf7697ca0157e9cf100b59d

  • SHA512

    d5fcb89ea1cda1b732fa7535825162047c15ae32be22fff0599bbe3253714764e58d0d6f1fd47a481639f800aefc550e5c1242ceed212eb658ec4fe7b7e3edd9

  • SSDEEP

    1536:k2NsbhOskKGeK83PfiU6/tFycCj9QgFDH4J9qjuBetcm3z:kQsbEW3PavycIpDHI7e6Mz

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 14 IoCs

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

  • UPX packed file 30 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 21 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1228
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1284
          • C:\Users\Admin\AppData\Local\Temp\99cecf1d7e103d28a1b14afdbdf2bff2189e5015eaf7697ca0157e9cf100b59dN.exe
            "C:\Users\Admin\AppData\Local\Temp\99cecf1d7e103d28a1b14afdbdf2bff2189e5015eaf7697ca0157e9cf100b59dN.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:2140
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1676

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1124-13-0x0000000001FA0000-0x0000000001FA2000-memory.dmp

            Filesize

            8KB

          • memory/2140-33-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-69-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-10-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-4-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-9-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-8-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-7-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-6-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-5-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-24-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2140-23-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2140-22-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/2140-20-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/2140-32-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-1-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-11-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-29-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-30-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-103-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2140-3-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-19-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2140-35-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-36-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-38-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-37-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-40-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-42-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-52-0x0000000001820000-0x0000000001821000-memory.dmp

            Filesize

            4KB

          • memory/2140-54-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/2140-57-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-58-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-60-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2140-71-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-73-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-76-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-31-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-104-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB