Analysis

  • max time kernel
    27s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 12:50

General

  • Target

    1a8fc50d24bc7f0f5b7e206119d4985bc2d142a1d35c7936cc350d730c971816N.dll

  • Size

    120KB

  • MD5

    ad3bb5b5eb9532a608162e96f0747400

  • SHA1

    3188eb793636086063f5f4ed7ef95470165ed304

  • SHA256

    1a8fc50d24bc7f0f5b7e206119d4985bc2d142a1d35c7936cc350d730c971816

  • SHA512

    f707612ff2353cfc9006234df20d1f05e985fbdc69e8d0723757652ab762da7c2a5599f5af146c72876252af54fe09bb275afc54e3b5ca52ca5feaf68faa3067

  • SSDEEP

    3072:BJplVcWRZmUhZTVzU61uSGNgRfVyxMnV84FF80:vpbck3yquSGNusMnPX

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

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1260
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a8fc50d24bc7f0f5b7e206119d4985bc2d142a1d35c7936cc350d730c971816N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2596
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a8fc50d24bc7f0f5b7e206119d4985bc2d142a1d35c7936cc350d730c971816N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2428
              • C:\Users\Admin\AppData\Local\Temp\f768324.exe
                C:\Users\Admin\AppData\Local\Temp\f768324.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:2024
              • C:\Users\Admin\AppData\Local\Temp\f7684aa.exe
                C:\Users\Admin\AppData\Local\Temp\f7684aa.exe
                4⤵
                • Executes dropped EXE
                PID:2256
              • C:\Users\Admin\AppData\Local\Temp\f769eee.exe
                C:\Users\Admin\AppData\Local\Temp\f769eee.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:840
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1428

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1c60d567eef0389b8f47adefe792a6fa

            SHA1

            ae5faabfdfd50535705c093b415486723a60188a

            SHA256

            f6a21cacd381a45931ae607a5e8b367aeb7fdd53561368edc4f162a5e20105a4

            SHA512

            483689e1fa6e64e0dff2b37ab3b21d64289a9fa60c412ae16e7c27b7e74d28ac03b72666a250044f5c9bbc56733d271a8371b291c498916e2ba247ecd178c688

          • \Users\Admin\AppData\Local\Temp\f768324.exe

            Filesize

            97KB

            MD5

            626cbd14f867424dfbf5b8780c55ad6a

            SHA1

            f9c1c41873567f65404046f4eb24ca19a2cf5fd9

            SHA256

            5d35af9660d56ff2830a42b98943ccb408db41febb95844c32970e6af73630a7

            SHA512

            4c8a560319555e6b9b300feb9ec9f5b26e7718570b192501b270669b1e12abc023ade981a0a505c608170524777f74472cba3f7f656d2f8f6b5d39360602a13a

          • memory/840-211-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/840-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/840-164-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/840-163-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/840-108-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/840-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1108-28-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2024-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-51-0x0000000000560000-0x0000000000562000-memory.dmp

            Filesize

            8KB

          • memory/2024-50-0x0000000000560000-0x0000000000562000-memory.dmp

            Filesize

            8KB

          • memory/2024-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2024-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-13-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-153-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2024-111-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-88-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-14-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-68-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-69-0x0000000000560000-0x0000000000562000-memory.dmp

            Filesize

            8KB

          • memory/2024-48-0x0000000004230000-0x0000000004231000-memory.dmp

            Filesize

            4KB

          • memory/2024-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-85-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-86-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2256-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2256-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2256-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2256-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2428-81-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2428-54-0x00000000004B0000-0x00000000004C2000-memory.dmp

            Filesize

            72KB

          • memory/2428-80-0x00000000004D0000-0x00000000004E2000-memory.dmp

            Filesize

            72KB

          • memory/2428-60-0x00000000004B0000-0x00000000004C2000-memory.dmp

            Filesize

            72KB

          • memory/2428-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2428-79-0x00000000004D0000-0x00000000004E2000-memory.dmp

            Filesize

            72KB

          • memory/2428-37-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2428-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2428-47-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2428-4-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2428-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB