Analysis

  • max time kernel
    30s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 13:02

General

  • Target

    033ef704bd310474bde0f51844f625410f97605d9dc86d630db3fc48d4929d23N.dll

  • Size

    120KB

  • MD5

    749a19d95da899fdbfb6bcc7fdd28e20

  • SHA1

    addbbcfe191fe12e89ad3fdf671a6a94f5580ad7

  • SHA256

    033ef704bd310474bde0f51844f625410f97605d9dc86d630db3fc48d4929d23

  • SHA512

    f70b2043de1abe3ced24929592caf0770b0206857c0451a343cfd00cf459a284b74cb2b68e5e1395a6b441a5b15ed0632617f5fe48beb172c209c99cddcbf283

  • SSDEEP

    1536:88Agv7E+rKoqWGzDpeYh/xGEXtndHiIx3Uyz7rhoqBYCp7BTmO8SO1:lAgv7E+H2ztPPG+FpDey3rlBYCpmd1

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 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\033ef704bd310474bde0f51844f625410f97605d9dc86d630db3fc48d4929d23N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2156
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\033ef704bd310474bde0f51844f625410f97605d9dc86d630db3fc48d4929d23N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2752
              • C:\Users\Admin\AppData\Local\Temp\f7654b5.exe
                C:\Users\Admin\AppData\Local\Temp\f7654b5.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:2740
              • C:\Users\Admin\AppData\Local\Temp\f765679.exe
                C:\Users\Admin\AppData\Local\Temp\f765679.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:3044
              • C:\Users\Admin\AppData\Local\Temp\f76706f.exe
                C:\Users\Admin\AppData\Local\Temp\f76706f.exe
                4⤵
                • Executes dropped EXE
                PID:2528
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:852

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            70f7e870a7fd37385b5e16131a3bf04b

            SHA1

            10f6aafb9cb005c28dd1e4869d82fdf4f6555ce6

            SHA256

            85807b0a261f96f8caca30a0c85eaaef8fcbc9ff2c026354c295520b7fd51b6d

            SHA512

            523dcb0e29990e019c992f6404871b6ffec39dcdacaf347909c03149de48ff5d2d69586b0df7a0bf7e1aea8960c705d8b83664054cc42868e0ae2ef232802509

          • \Users\Admin\AppData\Local\Temp\f7654b5.exe

            Filesize

            97KB

            MD5

            7a1380cfdb7ef39d292d5f154eec2c69

            SHA1

            2895c695ef3de40cdc65fb8bebd082b23998bc8e

            SHA256

            a7f16ddb1c792f4e9c5506a52e0653d3f4fd048d340f3c83572973fcab4d10cd

            SHA512

            fb70657515acdf9c135a0ed2e124413412cedcdad51587d8a940d04f4d8edf2634c709c0dd69939b78ba462452b2303060cf2c56a9eab31bc0571144c5a51c43

          • memory/1112-24-0x0000000001FF0000-0x0000000001FF2000-memory.dmp

            Filesize

            8KB

          • memory/2528-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2528-113-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2528-110-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2528-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-88-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-154-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-58-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2740-57-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2740-90-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-42-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2740-13-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-71-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-29-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2752-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2752-83-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2752-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2752-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2752-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2752-53-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2752-33-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2752-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2752-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2752-34-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2752-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3044-133-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3044-101-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/3044-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-191-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-166-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3044-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3044-192-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3044-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB