Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 01:25

General

  • Target

    f266a7f4df32df4ddf5e4ba30776964cdc556e5ff52acde482ea6a47345e0f4c.dll

  • Size

    120KB

  • MD5

    143018b91ffa1cd81f065eb1f92281c9

  • SHA1

    47c54d7971400a0ea8c0c39f4000ee017995b4ca

  • SHA256

    f266a7f4df32df4ddf5e4ba30776964cdc556e5ff52acde482ea6a47345e0f4c

  • SHA512

    5c4318b2826506f532cedad9761432353dc5508fdae8089fc10cabf86a4a2fc8606291e8a1c1c148a4466a7963a781796de39db745429bfc2159ba4894bbbe98

  • SSDEEP

    3072:xaWZinWLeXceEOi61i8Gfg7Buba5xwg/YKVgX:xaTceXVEOizK1z3/S

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 15 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 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:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\f266a7f4df32df4ddf5e4ba30776964cdc556e5ff52acde482ea6a47345e0f4c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2280
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\f266a7f4df32df4ddf5e4ba30776964cdc556e5ff52acde482ea6a47345e0f4c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2176
              • C:\Users\Admin\AppData\Local\Temp\f76e15a.exe
                C:\Users\Admin\AppData\Local\Temp\f76e15a.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:2708
              • C:\Users\Admin\AppData\Local\Temp\f76e36c.exe
                C:\Users\Admin\AppData\Local\Temp\f76e36c.exe
                4⤵
                • Executes dropped EXE
                PID:1860
              • C:\Users\Admin\AppData\Local\Temp\f76fd14.exe
                C:\Users\Admin\AppData\Local\Temp\f76fd14.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:2856
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1864

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76e15a.exe

            Filesize

            97KB

            MD5

            4b5f99b6336c41fefdcc724a64827848

            SHA1

            ea9cf68689cdae03a0a86096605dff162ee90957

            SHA256

            18be546100d7df9111df396b86f0075ec78fe3bf2e5a0d1de3954d9df1022749

            SHA512

            8b836a344400a7bffa48e2772a79cca4319f390cc1ce9b36b5f10615bf1d0d3a1c4dc1c04e6ebe8635cc259567047496ce7ff5cb5340c8d10622e7e1b75a7eae

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c4fb63aaa88ae8ff630f86f79f1d8db1

            SHA1

            3e39831a916fd490c609d3c9cdbeb725bfee8e50

            SHA256

            abb637dd41321095c454a649164590de7f224bb2fa03a45a8c8893185919f4a3

            SHA512

            51a1b0df4c7e5175cb2d95777904ca4a22f6b9da4b56ecbee3aa31768342a3b0348f8169d757f595514f4772b3325d8a959c069b0b1de8915e0134d0c6144053

          • memory/1088-32-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1860-104-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1860-94-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1860-102-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1860-178-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1860-125-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2176-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2176-39-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2176-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2176-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2176-38-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2176-57-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2176-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2176-55-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2176-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2176-40-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2176-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-24-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-80-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-26-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-56-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2708-59-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-60-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-61-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-79-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-46-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2708-83-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-84-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2708-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-25-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-152-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2856-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2856-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2856-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2856-169-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2856-78-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2856-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2856-206-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB