Analysis

  • max time kernel
    28s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 23:52

General

  • Target

    53f9fd0e5ddf0e1e66285c72ea7028a504d0b18a8cb72da31edd4a351575fcd1.dll

  • Size

    120KB

  • MD5

    44b879a1d7c01ffdbfe20d0386ad8ff5

  • SHA1

    e0a986d632f86ecdb167d6f5f3eafdec6ba8c18b

  • SHA256

    53f9fd0e5ddf0e1e66285c72ea7028a504d0b18a8cb72da31edd4a351575fcd1

  • SHA512

    9ccd7cd5ff36d0ff17254cdfc924845821b36c56a368c82f270d8f04e55e67a7b5e7894a578a5322cfeb9afce7957049b7a5a84adb911e8ad10ab29945ace44c

  • SSDEEP

    3072:9cWWaDgLmp7rIBt9JE4VNugBluBAjWKMNiZpAS:9phYJlulQuS

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 9 IoCs

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

  • UPX packed file 24 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 44 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1252
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1340
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1388
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\53f9fd0e5ddf0e1e66285c72ea7028a504d0b18a8cb72da31edd4a351575fcd1.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\53f9fd0e5ddf0e1e66285c72ea7028a504d0b18a8cb72da31edd4a351575fcd1.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2108
              • C:\Users\Admin\AppData\Local\Temp\f77ca32.exe
                C:\Users\Admin\AppData\Local\Temp\f77ca32.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:3000
              • C:\Users\Admin\AppData\Local\Temp\f77ce37.exe
                C:\Users\Admin\AppData\Local\Temp\f77ce37.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:2924
              • C:\Users\Admin\AppData\Local\Temp\f77e4a4.exe
                C:\Users\Admin\AppData\Local\Temp\f77e4a4.exe
                4⤵
                • Executes dropped EXE
                PID:2556
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1508

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2460cc3c8c36f6f5281542282840b9f0

            SHA1

            ea47f55e2d062ceeb652859a472066d363585f51

            SHA256

            bf0a9b7ed378df6bd2eac2649b25528c4e0e097b04f3f9e00f9cde69da0b19f9

            SHA512

            e1959ebfe302c5246ce829abc71d730ca03bb96c4452eb2a2867b6167d29f91ea95a6b60105cffbe945f75702606365f3336bc2f555d76ddefffeacb47c69861

          • \Users\Admin\AppData\Local\Temp\f77ca32.exe

            Filesize

            97KB

            MD5

            d30e3d60b6019c13ebacb8fb04d60800

            SHA1

            6a55413b5d64f295629db1f49b8413609ba775f5

            SHA256

            c5ab4823a876235a1116bc9aebe6ffe2ca17cc1309e689925c6d2ca726c7bd5a

            SHA512

            547dc1b82051da096556b5ce8cbe5cabaa5450b220e0956f6e964e1656153fa59df144445fe248f0a7a55d190b4e478021bed270c8917b8a8afae638572c25a6

          • memory/1252-28-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2108-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2108-77-0x00000000001A0000-0x00000000001A6000-memory.dmp

            Filesize

            24KB

          • memory/2108-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2108-10-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/2108-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2108-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2108-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2108-7-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/2108-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2108-36-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2108-37-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/2108-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2108-59-0x00000000004E0000-0x00000000004F2000-memory.dmp

            Filesize

            72KB

          • memory/2108-38-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/2556-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2556-78-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2556-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2556-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2556-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2924-189-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2924-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2924-154-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2924-141-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2924-94-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2924-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2924-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2924-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3000-83-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-25-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-79-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-80-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-81-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/3000-26-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-50-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/3000-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-58-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/3000-84-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-104-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-106-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-108-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-110-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-140-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3000-44-0x0000000002F40000-0x0000000002F41000-memory.dmp

            Filesize

            4KB

          • memory/3000-142-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3000-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-23-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-24-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB