Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2025 02:48

General

  • Target

    b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b.dll

  • Size

    120KB

  • MD5

    1e0f7889dea5cedb0a9193ae851bd883

  • SHA1

    58d4a9fca1f7a957ecf169f5f8b24c9c316801ae

  • SHA256

    b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b

  • SHA512

    205a00bd94ba8dbec44267f1c4a24ffdb8748e77853fcb2d5712f33749b9dc303ec67575f277039968a657c0706fce9761260c4d3ff4ce09be1a6feab183fd3c

  • SSDEEP

    1536:aaj4qkgMfCITmnKoorSLxKXpkd1iy+iJ/LIDvSEzCVvKeTWRDdgWIqPhpH9:aCFkgRIo1tK5E1iy+KsSEz4nTIDdzDd

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 16 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 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2084
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2656
              • C:\Users\Admin\AppData\Local\Temp\f77407a.exe
                C:\Users\Admin\AppData\Local\Temp\f77407a.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:2756
              • C:\Users\Admin\AppData\Local\Temp\f77427c.exe
                C:\Users\Admin\AppData\Local\Temp\f77427c.exe
                4⤵
                • Executes dropped EXE
                PID:2720
              • C:\Users\Admin\AppData\Local\Temp\f775c53.exe
                C:\Users\Admin\AppData\Local\Temp\f775c53.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:2968
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1684

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6b16f289f1ada485aa555d8db79c9d1c

            SHA1

            df06efd88cb7d2d9ea6f0c31365f8683c4a501b8

            SHA256

            c471ec8d035465abd0b1d5bc4baffd47a0b83f5cf2fe5cb0a873defaa41e0856

            SHA512

            a6d1969b15cf1a1f5d9e14729d6f38e604f71db844e447f2f0bba7de0d55ae64107dda1364e74b4b393bf70731a20b4f670471930ddfdf41e36cf0db2761e2aa

          • \Users\Admin\AppData\Local\Temp\f77407a.exe

            Filesize

            97KB

            MD5

            0a6432ae40daf843f296bc7509811b40

            SHA1

            934c994b15c91585d8beca017950f7f258aa55e2

            SHA256

            6f97e2bff02b3af1b1753f7c970a8639fe2487d6c5a99cf636a5697054276566

            SHA512

            37f4ecf9d69c2410ab52749d54c2e8a2b8709ead8f2e05c6aea1b17a8469441b6ff9837096239212941e854da6a5624168ee0f6316712a846720ced490a5fed4

          • memory/1100-31-0x0000000001F00000-0x0000000001F02000-memory.dmp

            Filesize

            8KB

          • memory/2656-60-0x0000000000460000-0x0000000000472000-memory.dmp

            Filesize

            72KB

          • memory/2656-78-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2656-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2656-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2656-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2656-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2656-40-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2656-41-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/2656-42-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/2656-52-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2656-49-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2656-61-0x0000000000460000-0x0000000000472000-memory.dmp

            Filesize

            72KB

          • memory/2656-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2656-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2720-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2720-112-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2720-134-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2720-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2756-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-85-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-25-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-70-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-82-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/2756-50-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/2756-84-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-24-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-88-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-89-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-91-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-48-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/2756-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-156-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2968-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2968-113-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2968-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2968-185-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2968-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2968-210-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB