Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 05:51

General

  • Target

    6b57652223f559721657428746c6421f1acf5584f81181fdcb8d88dd631f9f1aN.dll

  • Size

    120KB

  • MD5

    9f146c20bd959c185190575c1a2a9030

  • SHA1

    a58385455132d2245b939e0e5c654f6c44d2f6c8

  • SHA256

    6b57652223f559721657428746c6421f1acf5584f81181fdcb8d88dd631f9f1a

  • SHA512

    8831e1217f10bf74489a32ffb52456671e18dd8d0e41e09ad6c162e6d181fa004b159b3e594d88ad081661d416b6d9fe1936bb6f22a0c0798a8fd4ca7b2962d0

  • SSDEEP

    3072:7/tuhZPos0a3W9AXVIdrL0TSp1P4t0O1:7/tyZgDanIdEaN4n1

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 17 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:1104
    • 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\6b57652223f559721657428746c6421f1acf5584f81181fdcb8d88dd631f9f1aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2396
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b57652223f559721657428746c6421f1acf5584f81181fdcb8d88dd631f9f1aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1036
              • C:\Users\Admin\AppData\Local\Temp\f769f2c.exe
                C:\Users\Admin\AppData\Local\Temp\f769f2c.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:1732
              • C:\Users\Admin\AppData\Local\Temp\f76a0a3.exe
                C:\Users\Admin\AppData\Local\Temp\f76a0a3.exe
                4⤵
                • Executes dropped EXE
                PID:1964
              • C:\Users\Admin\AppData\Local\Temp\f76bb05.exe
                C:\Users\Admin\AppData\Local\Temp\f76bb05.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:2764
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1736

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769f2c.exe

            Filesize

            97KB

            MD5

            eb18c496ee630df31c64a1c44809046c

            SHA1

            81dcf92874dba597589a76ea9736dd32540df869

            SHA256

            85aa73de91a9a36d35444208d3c8e0904d6896f167ece724e6965cedfc89ee86

            SHA512

            92f55114f698a917b4012ea7d8a02e716d47ff30f6a1655f01bb613af46e31888fa90e9af3561f2371bac2073ec252c5ec5817c901adf06b7ed6ecabb6bc549d

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8e1cb74f6e5b00c3f8517eb3f3f4506d

            SHA1

            4d1b3cffd73204d7ab36fc001d7969a27863b1c7

            SHA256

            9f7191a9acb931f3ff27419480b8afb13ba3f62f488040b96ebbd4cd8354776b

            SHA512

            93b6c72b4872f0de07f3f3850ab47277c6b0d35055a9238eba4aee51cd7a976bc0d0ab6218f3aefa557e7a8e3c986cfad4c62d7d59d3ac6c9d04ab59d42cd66d

          • memory/1036-82-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1036-9-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/1036-32-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1036-41-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1036-10-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/1036-80-0x0000000000440000-0x0000000000452000-memory.dmp

            Filesize

            72KB

          • memory/1036-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1036-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1036-31-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1036-50-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1036-52-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/1104-23-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/1732-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-55-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/1732-56-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/1732-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-42-0x0000000000440000-0x0000000000441000-memory.dmp

            Filesize

            4KB

          • memory/1732-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-12-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-14-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-68-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-69-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1732-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1732-85-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-86-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/1732-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-90-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-158-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-109-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1964-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1964-106-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1964-98-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/1964-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1964-136-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2764-105-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2764-104-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2764-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-170-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-107-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2764-211-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB