Analysis

  • max time kernel
    27s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 17:23

General

  • Target

    941141369b0ea038852f7ac31dc3b01b702e2c593a5393d382136f60b8a74006.dll

  • Size

    120KB

  • MD5

    0ed76b4ab049d3fe172ad37b6d1aa18f

  • SHA1

    fa86fdc12ef524f17eb7ad8926215db3e722a7a7

  • SHA256

    941141369b0ea038852f7ac31dc3b01b702e2c593a5393d382136f60b8a74006

  • SHA512

    675a020b83fa1788173488d9d8d5133148273d62eaa4982476b7100a888bb32c8f0d8a7dda93946f04efbc5e56a268040bb8f1539c3888d3d5ee1aa072c45959

  • SSDEEP

    1536:qUhl/TceF4CXr5AjAV8+1oTkWslyTkkT/4ckiILrUHNK7qiDdRjEoDQoho7uyZdJ:5l7NGq1oTIlX2Wj/UtMHp9Ewlsuh9Xe

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 23 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1092
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\941141369b0ea038852f7ac31dc3b01b702e2c593a5393d382136f60b8a74006.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2036
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\941141369b0ea038852f7ac31dc3b01b702e2c593a5393d382136f60b8a74006.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2320
              • C:\Users\Admin\AppData\Local\Temp\f76c14c.exe
                C:\Users\Admin\AppData\Local\Temp\f76c14c.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:2028
              • C:\Users\Admin\AppData\Local\Temp\f76c2d2.exe
                C:\Users\Admin\AppData\Local\Temp\f76c2d2.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
                • System policy modification
                PID:2896
              • C:\Users\Admin\AppData\Local\Temp\f76dd64.exe
                C:\Users\Admin\AppData\Local\Temp\f76dd64.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:1648
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1244

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76c14c.exe

            Filesize

            97KB

            MD5

            3883035105b22df75eb729ce723edb04

            SHA1

            0f073daa9644494ad727ef395e596af01cb84379

            SHA256

            189d64129a54cdd71c034d7ed80400f218bd7469d83565ebd738f772a0247d63

            SHA512

            ed84f339d2807a23ca1e9fed010d9888206ea9c14e91623730ae47b60b3c745a59b44e9cbb39a7b6ab03013df779085c30ab624a637a53c3e98b608395f018ca

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            31240d3381007683795962e8dfce463d

            SHA1

            b53b6943b79e3d469cb7250ec6167a12d804f1ab

            SHA256

            d2bc0a64ba00e640ded70fa252cf82b7ed62b8e7e638dfeddbf7ab379cac65f0

            SHA512

            f8318494c27685889b87885f2c7f8fc59543b6e3f67485cb53ac141fa9234b04f6eed484bd5f0afbd97c897da89e11e3c55c2bce742c4a88357c98d163a5f158

          • memory/1092-27-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/1648-232-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1648-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1648-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1648-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2028-88-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-67-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-11-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-49-0x0000000002F40000-0x0000000002F42000-memory.dmp

            Filesize

            8KB

          • memory/2028-152-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-48-0x0000000002F40000-0x0000000002F42000-memory.dmp

            Filesize

            8KB

          • memory/2028-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2028-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-46-0x0000000002F50000-0x0000000002F51000-memory.dmp

            Filesize

            4KB

          • memory/2028-14-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-13-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-16-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-107-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-61-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-62-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2028-68-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-86-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-85-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-80-0x0000000002F40000-0x0000000002F42000-memory.dmp

            Filesize

            8KB

          • memory/2320-59-0x0000000000700000-0x0000000000702000-memory.dmp

            Filesize

            8KB

          • memory/2320-83-0x0000000000650000-0x0000000000652000-memory.dmp

            Filesize

            8KB

          • memory/2320-79-0x0000000000780000-0x0000000000792000-memory.dmp

            Filesize

            72KB

          • memory/2320-58-0x0000000000760000-0x0000000000772000-memory.dmp

            Filesize

            72KB

          • memory/2320-81-0x0000000000780000-0x0000000000792000-memory.dmp

            Filesize

            72KB

          • memory/2320-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2320-45-0x0000000000750000-0x0000000000751000-memory.dmp

            Filesize

            4KB

          • memory/2320-56-0x0000000000700000-0x0000000000702000-memory.dmp

            Filesize

            8KB

          • memory/2320-36-0x0000000000750000-0x0000000000751000-memory.dmp

            Filesize

            4KB

          • memory/2320-8-0x0000000000650000-0x0000000000662000-memory.dmp

            Filesize

            72KB

          • memory/2320-35-0x0000000000700000-0x0000000000702000-memory.dmp

            Filesize

            8KB

          • memory/2896-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-125-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2896-98-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2896-181-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-205-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2896-100-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2896-233-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB