Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 01:17

General

  • Target

    ac64dd84e0ec69a9e99dc242e7625c3cb849f60a7d531370332014207bf2bb3d.dll

  • Size

    120KB

  • MD5

    338eb9bafef893efd30b6e5f0ce79d2e

  • SHA1

    a35c3330cafe46876c0d71e27b7675aa0abb3df1

  • SHA256

    ac64dd84e0ec69a9e99dc242e7625c3cb849f60a7d531370332014207bf2bb3d

  • SHA512

    840a271f325430b954958b13627ab72e6491731e8b78a9629742b2754172ff68773bef01a41f2a3011b9b946e4cf887e61efc38871d8870d3cf36c33b5d06b52

  • SSDEEP

    1536:fSozEGk67us7I8gG1VJCudXBVjjbduIPKR3AenwcdxjjcvpG:aogGNuwRBJVXLj3chTjjSG

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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 13 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac64dd84e0ec69a9e99dc242e7625c3cb849f60a7d531370332014207bf2bb3d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2104
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac64dd84e0ec69a9e99dc242e7625c3cb849f60a7d531370332014207bf2bb3d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1848
              • C:\Users\Admin\AppData\Local\Temp\f769c5f.exe
                C:\Users\Admin\AppData\Local\Temp\f769c5f.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:2360
              • C:\Users\Admin\AppData\Local\Temp\f769e13.exe
                C:\Users\Admin\AppData\Local\Temp\f769e13.exe
                4⤵
                • Executes dropped EXE
                PID:2616
              • C:\Users\Admin\AppData\Local\Temp\f76b819.exe
                C:\Users\Admin\AppData\Local\Temp\f76b819.exe
                4⤵
                • Executes dropped EXE
                PID:2624
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f769c5f.exe

            Filesize

            97KB

            MD5

            c562f6afd66c35e7b1018878c35f3f16

            SHA1

            410785ddd7b52c6319e47c89cdd124fb28c6e9f5

            SHA256

            7afba7979e02a2c0667331244b9097a178c9ed2857b076b1e71e41f55637a857

            SHA512

            056e6b834c091e0cd48c01ce39708c10c01741a82875ce31b930aa7a6ee44533fa8de529d2843186c882f57edc7cf636727814a6d5ca7b11590d9782e20b2ab8

          • memory/1120-19-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/1848-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1848-73-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1848-9-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/1848-72-0x0000000000470000-0x0000000000482000-memory.dmp

            Filesize

            72KB

          • memory/1848-46-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1848-56-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1848-55-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/1848-26-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1848-27-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/1848-28-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/2360-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-11-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-35-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-37-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-16-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-38-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-34-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2360-53-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-15-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-54-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2360-14-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-13-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-149-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-58-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-59-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-60-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-61-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-62-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-36-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2360-78-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2360-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2360-76-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2360-80-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-81-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-83-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-108-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-104-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2616-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2616-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2616-126-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2616-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2624-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2624-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2624-77-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2624-155-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2624-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB