Analysis

  • max time kernel
    29s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 02:25

General

  • Target

    99a5b0aa4deeab60c85c0e6111587775aa30fa0edbd450b85b9fafdf8106b6f2.dll

  • Size

    120KB

  • MD5

    13de8f47eb89275c68ab19f6c5e8ae7a

  • SHA1

    e7b2aa74594576cc600a28c2ace6a8ffb3b80c99

  • SHA256

    99a5b0aa4deeab60c85c0e6111587775aa30fa0edbd450b85b9fafdf8106b6f2

  • SHA512

    38d3a047cc0fec77de09526b6ab37a011b7a7206f580d5a708c0c6674a60275aab6c123ee648ea60dff0cd9a5aa87d1c46d66c890541820663f8acbce772a051

  • SSDEEP

    3072:0FdEFtFFGK/HF4Oy61XnwiULESgVJCJwfASa0:0FCFGK/by6pwPLEvVUwFa0

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 10 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 42 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1232
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1320
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1360
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\99a5b0aa4deeab60c85c0e6111587775aa30fa0edbd450b85b9fafdf8106b6f2.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2388
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\99a5b0aa4deeab60c85c0e6111587775aa30fa0edbd450b85b9fafdf8106b6f2.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1516
              • C:\Users\Admin\AppData\Local\Temp\f782fe6.exe
                C:\Users\Admin\AppData\Local\Temp\f782fe6.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:2144
              • C:\Users\Admin\AppData\Local\Temp\f7833dc.exe
                C:\Users\Admin\AppData\Local\Temp\f7833dc.exe
                4⤵
                • Executes dropped EXE
                PID:2724
              • C:\Users\Admin\AppData\Local\Temp\f784b24.exe
                C:\Users\Admin\AppData\Local\Temp\f784b24.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:2780
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:928

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            73e9e63aa47db2274d715de67eb654cf

            SHA1

            1e1dded3db61b0e30fe4688cd0eb217947771f01

            SHA256

            3a3cd2532725d0bfcba6fafbd2998ab42011acad3cc6ed4a0c8a6720b338f65d

            SHA512

            76eb9c75f3bf7125730373caacbdc2524165a3b4bfe45908fe290364e8bb12cdae09aa694af2f554e89e6cbd27885e1910b6d5e4a1baa9bdbc894903cb8f6170

          • \Users\Admin\AppData\Local\Temp\f782fe6.exe

            Filesize

            97KB

            MD5

            bad6a256979503108ec08f80574bbde2

            SHA1

            bedd56e41a9ff678cb4f8a5f72b60373eedc122a

            SHA256

            1c7ab95050d534395569e0013210fb018204c1ec4bf46195f01e65a33a585cad

            SHA512

            5aded3bc1723a6fa9a191304274e456932ca2c38add3ca4222bbe2b77e89b6149f493049597a9c549f5c089ebf6fd3fe39f3f38b548078caa266e13808ae0a97

          • memory/1232-32-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/1516-75-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1516-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1516-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1516-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1516-13-0x00000000000B0000-0x00000000000C2000-memory.dmp

            Filesize

            72KB

          • memory/1516-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/1516-79-0x00000000000B0000-0x00000000000B6000-memory.dmp

            Filesize

            24KB

          • memory/1516-7-0x00000000000B0000-0x00000000000C2000-memory.dmp

            Filesize

            72KB

          • memory/1516-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/1516-59-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1516-62-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1516-61-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/1516-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1516-39-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2144-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-82-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-60-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2144-50-0x0000000000300000-0x0000000000301000-memory.dmp

            Filesize

            4KB

          • memory/2144-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2144-26-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-24-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-52-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2144-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-25-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2144-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-81-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-84-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-85-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-150-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-103-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2144-111-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-109-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-107-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-105-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-96-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2724-101-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2724-149-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2724-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2780-100-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2780-102-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2780-104-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2780-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2780-159-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2780-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2780-195-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB