Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 13:05

General

  • Target

    45638396c0b3e7b7021189c2f5e15f261cb2e23d086d765b28fdbdc762bc961cN.dll

  • Size

    120KB

  • MD5

    b6ce7c3172fddb028cfddb1e35a9bf00

  • SHA1

    f722e052fd534866af0cbf44e8a7f7d5c31c1b25

  • SHA256

    45638396c0b3e7b7021189c2f5e15f261cb2e23d086d765b28fdbdc762bc961c

  • SHA512

    bf8fa40d84e2c2c86704eac4dc71f7b7181097d744ab339081f1a6a900194903bceffa1f9af80f23d262667e5e29ea94df3412774123367a3cde4a23d5a78089

  • SSDEEP

    3072:zdpHLGyQBVcoHoMcv0+dtsyHRd1wnEyXee:fLW2KoMA0+dtLXOnfx

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 16 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 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:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\45638396c0b3e7b7021189c2f5e15f261cb2e23d086d765b28fdbdc762bc961cN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2508
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\45638396c0b3e7b7021189c2f5e15f261cb2e23d086d765b28fdbdc762bc961cN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2512
              • C:\Users\Admin\AppData\Local\Temp\f769ceb.exe
                C:\Users\Admin\AppData\Local\Temp\f769ceb.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:1964
              • C:\Users\Admin\AppData\Local\Temp\f769ecf.exe
                C:\Users\Admin\AppData\Local\Temp\f769ecf.exe
                4⤵
                • Executes dropped EXE
                PID:2888
              • C:\Users\Admin\AppData\Local\Temp\f76bbc1.exe
                C:\Users\Admin\AppData\Local\Temp\f76bbc1.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:2156
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1348

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769ceb.exe

            Filesize

            97KB

            MD5

            8f70134d81bfba4f0b29f8912dcf93d3

            SHA1

            af09ca9698e13004f4fd27f6e70cf9070885d47f

            SHA256

            64ae92cdb27e6720e82c2382d1ff295568784d65cd4461348a463fdb107941f1

            SHA512

            957e53ad8010021e675677f350cef699b19a909c1f5369b091f8d726e780ec21aea6d7396effbc0476aa8b46c13afaae88aee7a47d2fdeca40600f32852a53dc

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            8e9b21ac16b3b6bc964e9284152cffb2

            SHA1

            827e3e6ac5e9ef43e3cc08964c9610b8e15cc00a

            SHA256

            705524556c02655b9c19ceaa07c10bd84cbdd0b054e8283dc6cb686cfe124ea5

            SHA512

            8b086b81cc7f52491aaf3bb6545a9fbb434b9161a732080b97ce164f589947b7cba55450ff4a72516db37521f002d6390bbd3465ac0733e58dfd4c58c3cef287

          • memory/1100-32-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/1964-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-89-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1964-25-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-26-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-51-0x00000000016D0000-0x00000000016D2000-memory.dmp

            Filesize

            8KB

          • memory/1964-72-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-59-0x00000000016D0000-0x00000000016D2000-memory.dmp

            Filesize

            8KB

          • memory/1964-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-49-0x00000000016E0000-0x00000000016E1000-memory.dmp

            Filesize

            4KB

          • memory/1964-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1964-151-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-88-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2156-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2156-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2156-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2156-163-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-204-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2156-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2512-61-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2512-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2512-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2512-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2512-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2512-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2512-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2512-60-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2512-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2512-58-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2512-48-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2512-39-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2512-40-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2888-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2888-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2888-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2888-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2888-179-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB