Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 10:12

General

  • Target

    36f50d2fefd969fb4dd06cbb55f441a757e86eb4e51a5dd61ccffff5eafd2c3c.dll

  • Size

    120KB

  • MD5

    dffd146f9e2306f3123311f5cc429def

  • SHA1

    5445ddee4f18d7c9255817d549e4282e6fc42008

  • SHA256

    36f50d2fefd969fb4dd06cbb55f441a757e86eb4e51a5dd61ccffff5eafd2c3c

  • SHA512

    23579c5f3c6d4f2a8e42ca246379ebc538ee64878108fbaaffa8a324329188bf699cc8124b448fade43a2a042e39f85256526a77b28828ac6679f5c7003429cf

  • SSDEEP

    1536:lCAjrNEEy0/c2pD0+2ZeZvuvN+nU0p0+zKsJW8bUoH0pKbq7pntbr692XSXu99U:8AjrNEXQ0+SuGvcnpvlzUEYtbr692XXy

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 22 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\36f50d2fefd969fb4dd06cbb55f441a757e86eb4e51a5dd61ccffff5eafd2c3c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2328
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\36f50d2fefd969fb4dd06cbb55f441a757e86eb4e51a5dd61ccffff5eafd2c3c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2360
              • C:\Users\Admin\AppData\Local\Temp\f76d356.exe
                C:\Users\Admin\AppData\Local\Temp\f76d356.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:2472
              • C:\Users\Admin\AppData\Local\Temp\f76d4dc.exe
                C:\Users\Admin\AppData\Local\Temp\f76d4dc.exe
                4⤵
                • Executes dropped EXE
                PID:2892
              • C:\Users\Admin\AppData\Local\Temp\f76f45d.exe
                C:\Users\Admin\AppData\Local\Temp\f76f45d.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:2172
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1496

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0e099224dc3f69ae8f91966d9d072bb8

            SHA1

            caa97b9dc1d27ed168cc6eb6885069e5cc1680c1

            SHA256

            bb919e561d293ba5e57dd3b87b58cd8d9dc403c1ecf93bfecc986a5b33e1f1d3

            SHA512

            10d1a0b210ae416eac3667fc473aefbd99687571378238a71ce3fe315c51ae3bfaac940ded730bc70a437076f7666fabe037836094bd32ff3bdb2e43a3c94202

          • \Users\Admin\AppData\Local\Temp\f76d356.exe

            Filesize

            97KB

            MD5

            94dc1575845fca2f45e7cfc6ee9afbca

            SHA1

            7dd3fadf8cab403a0656922aaaa30bbd9c986a1c

            SHA256

            b47e4e0cb34de306a6280c1a37112d6e2c525b714936d0cedcbe201af41c3596

            SHA512

            d83811a17d0266d2ce0732d08e892ca246ffa1766c6f99cc33f8b12556de4dbaca57ee3beaa9a030910bc759c630b2d98c1cf164c99d59c5a5357f4db29f0dc1

          • memory/1100-29-0x00000000021F0000-0x00000000021F2000-memory.dmp

            Filesize

            8KB

          • memory/2172-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2172-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2172-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2172-167-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-210-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-131-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2172-107-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2360-38-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2360-79-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2360-9-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2360-61-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/2360-48-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/2360-39-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/2360-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2360-81-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2360-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2360-60-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2472-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-85-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-54-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/2472-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-84-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/2472-49-0x0000000003C20000-0x0000000003C21000-memory.dmp

            Filesize

            4KB

          • memory/2472-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2472-154-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-86-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-108-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-109-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2472-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2892-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2892-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2892-126-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2892-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2892-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2892-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB