Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 11:37

General

  • Target

    50aa201729e7959d32663887003c23ed48ad087f5295009d68662566c1b22dccN.dll

  • Size

    120KB

  • MD5

    28d26fa98facc66f75c15c6f707c8690

  • SHA1

    8f9605a8c95f50593e72d1847e51076ebc76040b

  • SHA256

    50aa201729e7959d32663887003c23ed48ad087f5295009d68662566c1b22dcc

  • SHA512

    118ac81ed568ed9fc1bfea2021046969ba3f9b8b96adb5e1d715e7186d2e2badb452c2c8819c76082757b43caccbab2a13d9b187e200d67dc5302c7ccc385502

  • SSDEEP

    1536:MP1yCugTdpTc5XnzNEQyesvPX2o2pYv8HOo0l9wXRghTNNkTnIQgCMLJpKj3:MP0gdVGBEQyBPv2pYTok98IqvMLv

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 14 IoCs

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

  • UPX packed file 25 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:1132
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1228
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1272
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\50aa201729e7959d32663887003c23ed48ad087f5295009d68662566c1b22dccN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2240
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\50aa201729e7959d32663887003c23ed48ad087f5295009d68662566c1b22dccN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2324
              • C:\Users\Admin\AppData\Local\Temp\f76cef3.exe
                C:\Users\Admin\AppData\Local\Temp\f76cef3.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:2384
              • C:\Users\Admin\AppData\Local\Temp\f76d2aa.exe
                C:\Users\Admin\AppData\Local\Temp\f76d2aa.exe
                4⤵
                • Executes dropped EXE
                PID:3068
              • C:\Users\Admin\AppData\Local\Temp\f76e8d9.exe
                C:\Users\Admin\AppData\Local\Temp\f76e8d9.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:2676
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1580

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f7495640dcdf8664b7f84ff74a6ae72c

            SHA1

            246a21846e56df11e1c0efea01cd6837dd78ce1f

            SHA256

            5f84cac96de7e7b9ca1bc2abc3b4a446e125faaa3bbee9a2bb685dc83579966e

            SHA512

            a312eeb1735c62643764de1c421cf61fd44b115744600525f1ecd88fd4669027198cfa5ae9c8c8621c6b1092de3c3f4092c13807485ddc5c9bea2c18a0f3f553

          • \Users\Admin\AppData\Local\Temp\f76cef3.exe

            Filesize

            97KB

            MD5

            fb794dba4a1289b139b744da70fed17d

            SHA1

            2f587d049567fc3e8a26eb58f813e723967db0ad

            SHA256

            8d4c798892106cc5426f55d239ea8e867402b8bb9c63ae7868ad037431f8d404

            SHA512

            b6e3fd2226c40d5287f26e65e295ca490c08c68b6a54c9e33634312c4fbbf3853f73a3bf07a2ce89a5342e2bf292ff71917c19da46d8c8c38be83bef7ac18a7a

          • memory/1132-24-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2324-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2324-76-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2324-78-0x00000000000B0000-0x00000000000B6000-memory.dmp

            Filesize

            24KB

          • memory/2324-53-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2324-41-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/2324-9-0x00000000000B0000-0x00000000000C2000-memory.dmp

            Filesize

            72KB

          • memory/2324-32-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2324-33-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/2324-50-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2324-52-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2384-62-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-81-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-42-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2384-18-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-20-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-19-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-22-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-16-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-60-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2384-14-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-15-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-17-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-61-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-13-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-63-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-65-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-64-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2384-21-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-11-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-80-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-148-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-82-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2384-84-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-85-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2384-109-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-94-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-159-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2676-201-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-105-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2676-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-103-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2676-149-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3068-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3068-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3068-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3068-124-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3068-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3068-96-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB