Analysis

  • max time kernel
    27s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 22:40

General

  • Target

    dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll

  • Size

    120KB

  • MD5

    5b1f1c1a52ac5403e67fcc1785a6435e

  • SHA1

    12c69011eb1409319dad3af3a6fb567c0d2e16ca

  • SHA256

    dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c

  • SHA512

    697257deaecdc55ec71aa692aa4b7945f63564e87c4dac741d2d5598a9c0c8763e50415f3dd50afe2ed886a4d0251c53589949770d67497e367f6a114808f93f

  • SSDEEP

    1536:21wWIdV9BfHvEqFjJVylnjFn6apvtq0bckiobDlYLbxP6d6wipHUNdcUiulfQk:26WIdV9BfHcF5jd1nQkiQUFg0mfF

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 17 IoCs

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

  • UPX packed file 23 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • 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:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1732
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2384
              • C:\Users\Admin\AppData\Local\Temp\f76a554.exe
                C:\Users\Admin\AppData\Local\Temp\f76a554.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:1692
              • C:\Users\Admin\AppData\Local\Temp\f76a6bb.exe
                C:\Users\Admin\AppData\Local\Temp\f76a6bb.exe
                4⤵
                • Executes dropped EXE
                PID:2640
              • C:\Users\Admin\AppData\Local\Temp\f76c13d.exe
                C:\Users\Admin\AppData\Local\Temp\f76c13d.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:1780
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1644

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7a0062fa72745de774db176343bff9a6

            SHA1

            2818cc1d6eebdc4fb5f77e10f2b85c8316109681

            SHA256

            6097805c110f651d93dba2182149eb6d97cd631ab56045dd6e3d8841cdeeece6

            SHA512

            fb6e0375a2537cdba97b5e44b4452ac7fdbcefc26f24ee8fdc0137c5beb0549a32a96c4109f95fe670d00a2be8dd4de79d192cbc847af96cc304b12422fb8fd1

          • \Users\Admin\AppData\Local\Temp\f76a554.exe

            Filesize

            97KB

            MD5

            e0ffcb35552ad2d18ff7e30cad53d810

            SHA1

            7788774201449758298bd304fc7dd77e00eb3714

            SHA256

            02e6f6409b5e79835341248660b813edd65eea54596433819752b318c716e5b5

            SHA512

            acde220fa7044e859967046ff1237cbf061d91729511e6da8d3a2b24ebd9357150280da597f80c2c4c8663f213a58a4b6f7a2311b4715cd8ed9a8e1c851c8913

          • memory/1116-29-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1692-93-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-88-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-16-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-23-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-161-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-68-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-90-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1692-54-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1692-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1692-49-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/1692-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1692-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-71-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-70-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1692-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-66-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1692-67-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1780-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1780-213-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-87-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1780-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1780-182-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-108-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2384-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2384-10-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2384-60-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2384-61-0x0000000000920000-0x0000000000932000-memory.dmp

            Filesize

            72KB

          • memory/2384-215-0x0000000000940000-0x0000000000952000-memory.dmp

            Filesize

            72KB

          • memory/2384-75-0x0000000000940000-0x0000000000952000-memory.dmp

            Filesize

            72KB

          • memory/2384-38-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2384-39-0x0000000000910000-0x0000000000911000-memory.dmp

            Filesize

            4KB

          • memory/2384-48-0x0000000000910000-0x0000000000911000-memory.dmp

            Filesize

            4KB

          • memory/2384-86-0x0000000000940000-0x0000000000952000-memory.dmp

            Filesize

            72KB

          • memory/2384-81-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2384-59-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2384-9-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2640-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2640-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2640-137-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2640-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2640-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2640-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB