Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 23:39

General

  • Target

    723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdc.dll

  • Size

    120KB

  • MD5

    f525dc337f911206a1d62ae4475c67d0

  • SHA1

    a6e13b68a025410221f4fa39a9781dd3d4f76ea4

  • SHA256

    723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdc

  • SHA512

    fcaba207ebb2421bbf395ce75101e0551f82018288ebcc07adcb3595e712bd228224d4ea7b556616dd963cb5d795691274e47e3e1ab0af7e6dcfe4f47463033a

  • SSDEEP

    3072:uBofxvDEaFOTQ2rAvs2UuVHKWy9yRC8gKIsA8RuO:uCJvrFKQF7r7y9ttKIsUO

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 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 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 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 44 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1244
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1340
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1396
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdc.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2296
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdc.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2316
              • C:\Users\Admin\AppData\Local\Temp\f77c6b9.exe
                C:\Users\Admin\AppData\Local\Temp\f77c6b9.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • 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:300
              • C:\Users\Admin\AppData\Local\Temp\f77c85e.exe
                C:\Users\Admin\AppData\Local\Temp\f77c85e.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2676
              • C:\Users\Admin\AppData\Local\Temp\f77e86c.exe
                C:\Users\Admin\AppData\Local\Temp\f77e86c.exe
                4⤵
                • Executes dropped EXE
                PID:1336
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1188

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            254B

            MD5

            a30ddae1d362ce46aff8a349723d40c4

            SHA1

            2831dd11ad52d6472c412b64e384f1e091ab5fc8

            SHA256

            d42b8ece9cc12760633294fd3401a958740c2b828251ace234e4971f072a14ac

            SHA512

            bd18681e93e77ff744498132387421feb3c78662d0944bca809d69a4ec6c4dc2d4fa556cf8d46a3cf2ecca0643e6ebbad190260b6e755057d6a690e04df16ff3

          • \Users\Admin\AppData\Local\Temp\f77c6b9.exe

            Filesize

            97KB

            MD5

            e3a4df8f492c2ae1a24f3feef63c3aff

            SHA1

            2d2fb1c9e8568ef162d7c9a21343eb90fa705555

            SHA256

            2d4b6e638b50279afef63fd5d0e9bfba494ca3ace0ca9075b9f95cbebe5223d3

            SHA512

            fa53e56d1e2a194a1bfc323116c0bdc44877d12e5862c8cd25703baecde85ea6b84d89447669253ccaa21637106ec5f0a27764e1e4821335ef2f351ea32201ca

          • memory/300-107-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-87-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-15-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-14-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-23-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/300-86-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-149-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-56-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/300-108-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/300-46-0x0000000001820000-0x0000000001821000-memory.dmp

            Filesize

            4KB

          • memory/300-71-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-70-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/300-69-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-68-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-19-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-22-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-61-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-62-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-63-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-64-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/300-66-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1244-29-0x00000000020E0000-0x00000000020E2000-memory.dmp

            Filesize

            8KB

          • memory/1336-105-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1336-106-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1336-167-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1336-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1336-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1336-104-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2316-58-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2316-57-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2316-4-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2316-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2316-36-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2316-37-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2316-45-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2316-55-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2316-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-97-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2676-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-125-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2676-95-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2676-166-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-185-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB