Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 23:15

General

  • Target

    5e9ceb2255d6790ef89581932b81c685f439f2863f4e7301fd48421636e20537.dll

  • Size

    120KB

  • MD5

    f9b69a5cc8a91828a1b74cd743f78f89

  • SHA1

    6dd2c08c2dc836abced1818ac69cfb7a6d5d1913

  • SHA256

    5e9ceb2255d6790ef89581932b81c685f439f2863f4e7301fd48421636e20537

  • SHA512

    84e27fe0e8a43249b575e9ab3c166db71f52721a1dfc4abbf5db54119bea661037746c31f68820485cd8768419bfb1280575f351ffc9d8ba5456a6c67235da72

  • SSDEEP

    1536:3m/4T39wRk2A7W88MI3JPCbJPXgGvunM5EMNzS0j9Yzehbjn67MclM5:324mRFfFlCbKK5EMNzS0jvj67u

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 15 IoCs

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

  • UPX packed file 25 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1148
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e9ceb2255d6790ef89581932b81c685f439f2863f4e7301fd48421636e20537.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2508
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e9ceb2255d6790ef89581932b81c685f439f2863f4e7301fd48421636e20537.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2364
              • C:\Users\Admin\AppData\Local\Temp\f76866f.exe
                C:\Users\Admin\AppData\Local\Temp\f76866f.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:1816
              • C:\Users\Admin\AppData\Local\Temp\f768cf4.exe
                C:\Users\Admin\AppData\Local\Temp\f768cf4.exe
                4⤵
                • Executes dropped EXE
                PID:1712
              • C:\Users\Admin\AppData\Local\Temp\f76a219.exe
                C:\Users\Admin\AppData\Local\Temp\f76a219.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:2672
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:328

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76866f.exe

            Filesize

            97KB

            MD5

            aa0df9b1bc0254f008fd18912a8cd133

            SHA1

            4c0c65e789be0a272efe87c3a6b23b2a5d1e7aa7

            SHA256

            6c7603cd914b1f4e0444dcd88dc46880d1d1e4ff470cb771c79f82a58c6e591d

            SHA512

            2f6186c1b24bc4e9b7c61e5be5d432b74f481b0ad3fb300a62731a453bc7d5fd128c6bc1650550fc409fe10a66e9099ac849eec0c6228b4c86f0e5f51f4fbe29

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            be4a3048115132f5548a7166c6772333

            SHA1

            0f72ff86f282515801a79e81e0c109d616898c21

            SHA256

            106f5513cc9321799ac2f6199984e8b7f03ecc185c2b16d5025335e4bd534811

            SHA512

            f3ca62208e4cda8dffc1309a25054f4cc1fb9859755a96a0ff28b061acf9d48c81c8dae04949ff4ea927649ec7131cf90f3f96c47329c88013d676a278bf8427

          • memory/1100-22-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1712-175-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1712-128-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1712-98-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/1712-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1712-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1816-48-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-45-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/1816-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1816-11-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1816-148-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-46-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1816-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-13-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-90-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-49-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-88-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-47-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1816-68-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-87-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-84-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-81-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2364-31-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2364-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2364-60-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2364-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2364-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2364-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2364-59-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2364-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2364-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2364-76-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2364-50-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2672-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2672-164-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2672-199-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB