Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 10:55

General

  • Target

    b70d881d591abf34c65248f8274ded11b9ba6595db89d6466a9dff2bcaaebe59N.dll

  • Size

    120KB

  • MD5

    1fc4f311e039dd4cf9a99152be1a5a00

  • SHA1

    cb31d42dc3b268e6564d2dc3faa518653c347b7e

  • SHA256

    b70d881d591abf34c65248f8274ded11b9ba6595db89d6466a9dff2bcaaebe59

  • SHA512

    7d5bb5fc8de9d84adb542b93d2e0d5d97d1ab98c675f64f914e22f9b9b8ebe4c21a669af21699e879009e220ebd1a99ec6e19fa1940e6183435197f99a81a4bf

  • SSDEEP

    3072:fTCwdPp1SuemFHdbmbeaye88fi75rp209X:fTnfTd5mSW5Olx

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 13 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b70d881d591abf34c65248f8274ded11b9ba6595db89d6466a9dff2bcaaebe59N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2832
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b70d881d591abf34c65248f8274ded11b9ba6595db89d6466a9dff2bcaaebe59N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2800
              • C:\Users\Admin\AppData\Local\Temp\f766355.exe
                C:\Users\Admin\AppData\Local\Temp\f766355.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:2156
              • C:\Users\Admin\AppData\Local\Temp\f7667b8.exe
                C:\Users\Admin\AppData\Local\Temp\f7667b8.exe
                4⤵
                • Executes dropped EXE
                PID:2720
              • C:\Users\Admin\AppData\Local\Temp\f768259.exe
                C:\Users\Admin\AppData\Local\Temp\f768259.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:2112
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1668

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c796761d4d7e2f80881010ee6856769e

            SHA1

            435ee6d79466b1c6fe8af96595e092b649cc9388

            SHA256

            940d6ab5e2434fccd77bd494089118b232f8d73a0e433de47aef4ea8da3a87a2

            SHA512

            b739886ae7ee73811ad1bfeb113b4dceb17d115d43765baa1db621790ba04504328a145361c6c0a7d9efebd393230698e3888d38f081a7ed4910cf8aea88c4aa

          • \Users\Admin\AppData\Local\Temp\f766355.exe

            Filesize

            97KB

            MD5

            120a5f4623eeacd103fe2a970dd0a03a

            SHA1

            f9449444f81a792f658c9352e4f36a787691b6ab

            SHA256

            e5c69ad335a079f6e5138160bf00dd87c1fa6faf094da2e839e96ca97afb6ad0

            SHA512

            0f9976475fc4debc79d9435bbff2427b1bbfc033ca8bd325d5e3e56fb96f07357ad552ce9ad122e9d60a9a278e54651d1af9aebf1fdd13f740d6a7fcd9b02017

          • memory/1096-22-0x0000000001FF0000-0x0000000001FF2000-memory.dmp

            Filesize

            8KB

          • memory/2112-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2112-203-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2112-159-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2112-146-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2112-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2112-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2156-61-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-13-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-38-0x0000000002E70000-0x0000000002E71000-memory.dmp

            Filesize

            4KB

          • memory/2156-105-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2156-11-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-15-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-54-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2156-58-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2156-59-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-60-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-107-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2156-145-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-109-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-80-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-81-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-82-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2156-83-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-123-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2720-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-98-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2720-96-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2720-95-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2720-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2800-42-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2800-77-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2800-79-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2800-69-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2800-30-0x0000000000150000-0x0000000000151000-memory.dmp

            Filesize

            4KB

          • memory/2800-48-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2800-32-0x0000000000150000-0x0000000000151000-memory.dmp

            Filesize

            4KB

          • memory/2800-49-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2800-29-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2800-8-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2800-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2800-204-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB