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
    31-12-2024 15:14

General

  • Target

    50d8d67354521ae0e48ef57b29dba5eeeefe013ef8cd7f9f9f22256a83832d71.dll

  • Size

    120KB

  • MD5

    464ee14a56717a4abfe059ce9796dd52

  • SHA1

    79a38da1c205ad0b2a359e82cd90b2930f5004be

  • SHA256

    50d8d67354521ae0e48ef57b29dba5eeeefe013ef8cd7f9f9f22256a83832d71

  • SHA512

    cfd5c44934f41b6f3f449957c33eec032d5e5d95de55d239feef261176b2ad25dfadf9b4a50b9f1332317848ba28254f6fa607e8ad2e857cdad21fe46cb423e2

  • SSDEEP

    3072:U39Gtlvc5dTdenw8R3iPoeeOi97lsDgbOzw6el:Qulvc5mF4rHriX6el

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 24 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\50d8d67354521ae0e48ef57b29dba5eeeefe013ef8cd7f9f9f22256a83832d71.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2308
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\50d8d67354521ae0e48ef57b29dba5eeeefe013ef8cd7f9f9f22256a83832d71.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1704
              • C:\Users\Admin\AppData\Local\Temp\f77a90b.exe
                C:\Users\Admin\AppData\Local\Temp\f77a90b.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:2644
              • C:\Users\Admin\AppData\Local\Temp\f77aa53.exe
                C:\Users\Admin\AppData\Local\Temp\f77aa53.exe
                4⤵
                • Executes dropped EXE
                PID:2712
              • C:\Users\Admin\AppData\Local\Temp\f77c4d5.exe
                C:\Users\Admin\AppData\Local\Temp\f77c4d5.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:2332
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f77a90b.exe

            Filesize

            97KB

            MD5

            501c261024f152ce6c8652829315f69b

            SHA1

            9ee49ef62f950d2d73b2db49d6067e5f22801118

            SHA256

            0636ed22b027d671482bcc0ab9d069eb9527dbaef75d14523d90d30cb3943a14

            SHA512

            92d1d822ae9792af5c00785a32fd10afc3d710ec792c031f343da9c34def9c027241ad397cf01541766a75b87dd38a1ec56a5479c28493b800080c9104d19149

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            440f257e83fb6c880a02b6ee5c19f671

            SHA1

            26b41148be450e7b97455a64a73ebf2cdac2a53b

            SHA256

            079f4b8c6d446ca75ad609afe1226b0ca7125a84bb6b36272ca63c85ecf509a0

            SHA512

            1caaef7ddc7919f2d15165b0477e5b4ae86205055847c49a1f1661b0055fc99fe9871fb927610ff3b424f220cfd9c38ba45b726e6d4d6cc8576769a51ae88913

          • memory/1116-22-0x0000000002000000-0x0000000002002000-memory.dmp

            Filesize

            8KB

          • memory/1704-47-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1704-39-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/1704-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1704-8-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/1704-49-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1704-48-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/1704-30-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/1704-29-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1704-70-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/1704-69-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2332-166-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2332-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2332-167-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2332-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2332-207-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-61-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-149-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-38-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2644-59-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-60-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-71-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-80-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2644-81-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-82-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-85-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-13-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-11-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-107-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-108-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-54-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2644-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-125-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2712-95-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2712-101-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2712-96-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2712-51-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB