Analysis

  • max time kernel
    30s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 07:41

General

  • Target

    5a0cbc67855a9fea1709a8c2136f0e85e1c9fc74deb51c24fcef0c96e89cd3c6N.dll

  • Size

    120KB

  • MD5

    198f1aa59e129450b8567787d18759d0

  • SHA1

    8aafa0cd330ac947b3196720f65efbe545bf73da

  • SHA256

    5a0cbc67855a9fea1709a8c2136f0e85e1c9fc74deb51c24fcef0c96e89cd3c6

  • SHA512

    70523dbc77facefe8538b4f20df2585281d57174727df8db42ad2ccf7bcf79915ba1e6d0c2f89481d3b8d178fab3847af24fc1d398c95708c64abca31cb99ce1

  • SSDEEP

    3072:jCzkUlB+Cn7M2EguPvd4khizd73BM+ccfg4s/r3:sV3n7BYdlhilF3o

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 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 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a0cbc67855a9fea1709a8c2136f0e85e1c9fc74deb51c24fcef0c96e89cd3c6N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2408
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a0cbc67855a9fea1709a8c2136f0e85e1c9fc74deb51c24fcef0c96e89cd3c6N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1720
              • C:\Users\Admin\AppData\Local\Temp\f76ba79.exe
                C:\Users\Admin\AppData\Local\Temp\f76ba79.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:1696
              • C:\Users\Admin\AppData\Local\Temp\f76bc3d.exe
                C:\Users\Admin\AppData\Local\Temp\f76bc3d.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 policy modification
                PID:2932
              • C:\Users\Admin\AppData\Local\Temp\f76d662.exe
                C:\Users\Admin\AppData\Local\Temp\f76d662.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:2812
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2032

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            59c709530d790a419415b03d079b7c64

            SHA1

            6394ebaf867ae10cb17653eb0fecf33570470b93

            SHA256

            9d736d8b7e058be314e8b6f9a017f0afe7ff4f0c71ac9a2409bc9ab96798e3a0

            SHA512

            f7d0c629150da39178618d943d66f97cfe93c0093e33c23ef5483b52ad3a13d048cb0f4615be3ffe0361ce4fa3aadcb9c937234c38569b23aad7e2a1d96b7f19

          • \Users\Admin\AppData\Local\Temp\f76ba79.exe

            Filesize

            97KB

            MD5

            24ae0272c98e9546fca268ec844f255b

            SHA1

            8eaa2616848b9142399ac1dd0b34df6e9abcfc0a

            SHA256

            c5468b6f23f45cf41643f2ca1a65c29a110e6ec79cf2774a692a6e6d1cac9b6f

            SHA512

            f73b6e1b7bbdacbd16bdc57d7bcdf84c8bd3ee13c8fb6d63d4443f476f712d79a1e0ab7b5f3430e9940586422065c6ddca1a2f38df5564a96f1dfe437f19f2e9

          • memory/1112-25-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/1696-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-88-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1696-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-155-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-60-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/1696-59-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/1696-58-0x00000000016E0000-0x00000000016E1000-memory.dmp

            Filesize

            4KB

          • memory/1696-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1696-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-39-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1720-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1720-33-0x0000000000190000-0x0000000000191000-memory.dmp

            Filesize

            4KB

          • memory/1720-35-0x0000000000190000-0x0000000000191000-memory.dmp

            Filesize

            4KB

          • memory/1720-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1720-49-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1720-69-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1720-32-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1720-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1720-41-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1720-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1720-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1720-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2812-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-175-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2812-107-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2812-109-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2812-222-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-223-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-199-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-50-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-173-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2932-174-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2932-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2932-133-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2932-224-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB