Analysis

  • max time kernel
    34s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 00:39

General

  • Target

    654645d0e63f8111c2c8d34d4016c4a429e18865162204c7384541e6fb1330fdN.dll

  • Size

    120KB

  • MD5

    790dc15e1a2dbcf016963904499a8520

  • SHA1

    87786547ed264dcc5958ac4b207a45663fe43cca

  • SHA256

    654645d0e63f8111c2c8d34d4016c4a429e18865162204c7384541e6fb1330fd

  • SHA512

    09d0533f48f9d8d7e9e0dfc3e2c868245005ec32b19e97aeefa38fffa023d05fcb381dcb11535324ff72b220910346f219c6942b84127a02eb9af3118d77167e

  • SSDEEP

    1536:zr+6wOnMvsnZJjb2HXki8L2TkWZJVxUbVeessIaGiyLyxTJQp6tSDEDHfI:Hp6vSB2HtgHWZ3xUZedH2/9O6wD4

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 7 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 26 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1252
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\654645d0e63f8111c2c8d34d4016c4a429e18865162204c7384541e6fb1330fdN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2892
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\654645d0e63f8111c2c8d34d4016c4a429e18865162204c7384541e6fb1330fdN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2672
              • C:\Users\Admin\AppData\Local\Temp\f767752.exe
                C:\Users\Admin\AppData\Local\Temp\f767752.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:2308
              • C:\Users\Admin\AppData\Local\Temp\f767926.exe
                C:\Users\Admin\AppData\Local\Temp\f767926.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1976
              • C:\Users\Admin\AppData\Local\Temp\f76a841.exe
                C:\Users\Admin\AppData\Local\Temp\f76a841.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:332
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1348

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5a05ea47a7332c00c7d3c76f3fc7e889

            SHA1

            5b013beb2560f98df2a583635bb633bc8198c2c3

            SHA256

            2791e62b76233e0ec73cbeffaf2fc10e00624816d95cbfc4472e9f6fd8c1f840

            SHA512

            7509badb3b09a113aa4bc35e2e53e284d37029805473816ba53d711edec6cc2855a3f6aac28d4414b6dd8ff3bc85bfd55bdaba0edf5bfdaf28f76861120a72c8

          • \Users\Admin\AppData\Local\Temp\f767752.exe

            Filesize

            97KB

            MD5

            8d9158a452f25b00b23bf24c12aba973

            SHA1

            15f6e0d90369baf96915e63824e93505f9cd90f9

            SHA256

            8cdc190d8c5f59844dae0893a10ae105ec03d198da026b157ca217fe29d9cb52

            SHA512

            1a58a02b22bd6549be93f4613915557b8e7553cc2722e51e9af7ecbb88427f8c5eb156cc176fa1c40031cc16e5f2609336b6d846fc6a3120ec97d628259a0366

          • memory/332-210-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/332-161-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/332-168-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/332-227-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1104-28-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1976-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1976-186-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-149-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-113-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1976-82-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1976-83-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1976-85-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1976-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2308-108-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-136-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2308-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2308-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-59-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-13-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-67-0x0000000001650000-0x0000000001652000-memory.dmp

            Filesize

            8KB

          • memory/2308-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-48-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/2308-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-51-0x0000000001650000-0x0000000001652000-memory.dmp

            Filesize

            8KB

          • memory/2308-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-137-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-114-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-101-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-102-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-103-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-107-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-111-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2672-95-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2672-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2672-96-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2672-100-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2672-84-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2672-60-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2672-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2672-47-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2672-58-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2672-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2672-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB