Analysis

  • max time kernel
    84s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 12:34

General

  • Target

    7cbb7498a48b5237bac4c8137a40ad39856c5f7022b587e2fa6c31fbc0f6cd0b.dll

  • Size

    120KB

  • MD5

    754cd1d3aa8849bd72719261d857b535

  • SHA1

    6c486434935fbb7bab216064b9f867197dc33c67

  • SHA256

    7cbb7498a48b5237bac4c8137a40ad39856c5f7022b587e2fa6c31fbc0f6cd0b

  • SHA512

    5e9634c179399e6adc89b054f90257f459d12807ae4138ac4327ead1f6bb584af4c0c5b748a390350a152dcbf274f95cfef92bae3256fc64152a075ffa137e11

  • SSDEEP

    1536:vW2wPjsCFOLbhvcIqXvtQYCkK7i+NYgZbJTL+50Y4DY3lgf5JVqROB:vBwbsMOLbhvFKveYCkKeGb1H/D

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 14 IoCs

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

  • UPX packed file 23 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\7cbb7498a48b5237bac4c8137a40ad39856c5f7022b587e2fa6c31fbc0f6cd0b.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1708
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\7cbb7498a48b5237bac4c8137a40ad39856c5f7022b587e2fa6c31fbc0f6cd0b.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2944
              • C:\Users\Admin\AppData\Local\Temp\f76dda2.exe
                C:\Users\Admin\AppData\Local\Temp\f76dda2.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:3012
              • C:\Users\Admin\AppData\Local\Temp\f76df28.exe
                C:\Users\Admin\AppData\Local\Temp\f76df28.exe
                4⤵
                • Executes dropped EXE
                PID:2152
              • C:\Users\Admin\AppData\Local\Temp\f76f97c.exe
                C:\Users\Admin\AppData\Local\Temp\f76f97c.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:2544
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2008

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e2c9381cdefb136dcec1ced580262c36

            SHA1

            7fcffd1112a20bdfd7da58ecf14d64eaec72613c

            SHA256

            ce875f3876dec0363d9af9b13f5412158386900a53280b01569293f0be45e237

            SHA512

            94901ce6d5ee6399f5d6082b8272d83d21faa899f07474346bff719d0145d4aa52fc892a463a397b80c3408a5cc1e0763078ef6d088a128f4d2ef7ec880b690d

          • \Users\Admin\AppData\Local\Temp\f76dda2.exe

            Filesize

            97KB

            MD5

            cd51fdf9815de97b1cfa269331ddbff2

            SHA1

            37e12a4c6c72f45529130bc41efa0a520889a264

            SHA256

            b5a39eca1b9843fe508cad3eead7737d4489582c5efa84cd56711908f5686823

            SHA512

            7deb65ff3c9722271c8b00a842ca89205130d07068515360550aadc9b451e83977867e4d0bfbcd7bd2f19652f7002b7d7106d483dfad5735e2e2692a09de64b3

          • memory/1112-30-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2152-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2152-97-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2152-96-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2152-126-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2152-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-209-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-162-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2544-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-161-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-107-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2544-105-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2544-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-40-0x0000000000390000-0x0000000000391000-memory.dmp

            Filesize

            4KB

          • memory/2944-61-0x00000000003A0000-0x00000000003B2000-memory.dmp

            Filesize

            72KB

          • memory/2944-62-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2944-39-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2944-11-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/2944-5-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/2944-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2944-79-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2944-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2944-48-0x0000000000390000-0x0000000000391000-memory.dmp

            Filesize

            4KB

          • memory/2944-59-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3012-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-69-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-52-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/3012-78-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/3012-84-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-85-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-49-0x0000000001830000-0x0000000001831000-memory.dmp

            Filesize

            4KB

          • memory/3012-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-51-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/3012-108-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-111-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-155-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3012-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB