Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 18:32

General

  • Target

    84066ff1a558a6cc5ed0546c0c6efc57d17a7e6c786e807fe5574f1186f6f8ebN.dll

  • Size

    120KB

  • MD5

    acb3fff292e1a589757706508b2da4a0

  • SHA1

    ba54ff5d6ddf083de779710bf7839cf64f4951d8

  • SHA256

    84066ff1a558a6cc5ed0546c0c6efc57d17a7e6c786e807fe5574f1186f6f8eb

  • SHA512

    97f6ccd5d27f7cdbe5af3912c1cbc4e7d72d452590d9a7d91625512c8c17be8053a6b6097aa55bb50acf01f2154df5104ad1f6cfabaccb0545889e552b70f5ff

  • SSDEEP

    1536:jdTJ570lUjwQLBnoZC4O+lWPxcXTpjkral7drrf4Uuw1T3834BcGV6ei6mpTSX:RjYlUzLyQXkUeXTxKy7pgUuus34Bb4p

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 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:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1056
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1124
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\84066ff1a558a6cc5ed0546c0c6efc57d17a7e6c786e807fe5574f1186f6f8ebN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2860
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\84066ff1a558a6cc5ed0546c0c6efc57d17a7e6c786e807fe5574f1186f6f8ebN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2184
              • C:\Users\Admin\AppData\Local\Temp\f76e179.exe
                C:\Users\Admin\AppData\Local\Temp\f76e179.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:1096
              • C:\Users\Admin\AppData\Local\Temp\f76e31e.exe
                C:\Users\Admin\AppData\Local\Temp\f76e31e.exe
                4⤵
                • Executes dropped EXE
                PID:2560
              • C:\Users\Admin\AppData\Local\Temp\f76fd43.exe
                C:\Users\Admin\AppData\Local\Temp\f76fd43.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:2264
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1472

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76e179.exe

            Filesize

            97KB

            MD5

            f7e45aaae6b5142ec91b3b84b31de236

            SHA1

            1c828934ed8404d1906e131cad6623fc58b0623d

            SHA256

            f04dc004f031ab1b7fbd29403a619b63fc73912ba8f4e1d826d9f854a86f010b

            SHA512

            ce2018311237fb2eb46f8eb9a05a8ef300a4993ec03ba026e6cd7cf879dacd8255a1197912613a843599f21642823385cb6a37619f27a4ea5ceca5c340fbe757

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            220868444fbfc10ab6498074e8aebcde

            SHA1

            379e369718da876e8322c63bb2f37c3acd9b9f33

            SHA256

            c199e7cba3fae6c516bc8ca51549418892c51094e2d4179ecdc99616f663fc00

            SHA512

            3d6f3d6ef0580f6f58c3724a50c22afff8a1933d39b341ca092b95449b5c5f773f49259af8d766625abc5c6c6bf6e6a46972e1565d9009e885fa6ac9bd72079f

          • memory/1048-25-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/1096-93-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1096-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-59-0x00000000016B0000-0x00000000016B2000-memory.dmp

            Filesize

            8KB

          • memory/1096-155-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-91-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-58-0x00000000016B0000-0x00000000016B2000-memory.dmp

            Filesize

            8KB

          • memory/1096-90-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-45-0x0000000001700000-0x0000000001701000-memory.dmp

            Filesize

            4KB

          • memory/1096-89-0x00000000016B0000-0x00000000016B2000-memory.dmp

            Filesize

            8KB

          • memory/1096-43-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-72-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2184-55-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2184-12-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2184-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2184-33-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2184-76-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2184-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2184-85-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2184-34-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2184-44-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2184-53-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2184-56-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2184-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2184-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2264-211-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2264-112-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2264-111-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2264-110-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2264-170-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2560-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-131-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2560-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-103-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2560-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB