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Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 00:25

General

  • Target

    875db80a0a413e8f78f7120c878460494b1f4199f8d5aa20e646098818fa21a4.dll

  • Size

    120KB

  • MD5

    df8e4237a548ebe1eaa080e1f13eaa32

  • SHA1

    d0746ec564e3ddd5a2aa18ab9117235cac640a74

  • SHA256

    875db80a0a413e8f78f7120c878460494b1f4199f8d5aa20e646098818fa21a4

  • SHA512

    e1d91cfb057c44a231a6a0d26c38ca298bf49bbfd2a0d838e9ff4e18f796faa3ab4d83428db6f2660b7ff76bc437633d693359d80539a118d039ea360d4d5615

  • SSDEEP

    3072:ryAedAKhJ7/CxMq5DPuzCXrBnoH78o08Ug:redAwxY5DPe43oJ

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 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 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 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1056
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1100
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1140
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\875db80a0a413e8f78f7120c878460494b1f4199f8d5aa20e646098818fa21a4.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1832
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\875db80a0a413e8f78f7120c878460494b1f4199f8d5aa20e646098818fa21a4.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1628
              • C:\Users\Admin\AppData\Local\Temp\f76bab7.exe
                C:\Users\Admin\AppData\Local\Temp\f76bab7.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:3040
              • C:\Users\Admin\AppData\Local\Temp\f76bc7c.exe
                C:\Users\Admin\AppData\Local\Temp\f76bc7c.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:2736
              • C:\Users\Admin\AppData\Local\Temp\f76d93f.exe
                C:\Users\Admin\AppData\Local\Temp\f76d93f.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:1660
        • 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

            256B

            MD5

            ca8798084dd222d023302b83d36a9649

            SHA1

            7bf6ffaa43c1819d4f02d0e8fc6ccacfbd05c837

            SHA256

            f01fee42954e12e3e7973f9424bfb8895e5071a752b08acb85cf1473c24432f4

            SHA512

            9e02b9a5ac9d690465cce07c5618c10d86baabac8ac3b695eb4ee35678b103cd0731709c10619396b07a76e95365af4004c8e6b176d08cc0f4095b59361cdd6c

          • \Users\Admin\AppData\Local\Temp\f76bab7.exe

            Filesize

            97KB

            MD5

            879c4e50ec35b2c6f587e50262046d38

            SHA1

            49dff8414e14692b322bb2d6c0f8f9b9ed74a428

            SHA256

            610404c9f454cfc507e86a82f14d3b20fffe1ffaa2039a80d90be3228c94d9d3

            SHA512

            973483e9082b95ee0e8111d93236e3ea25379a59743bd6283b68d6bc0520879ce01efd9e304d322256128f3a794515ebe24b2f5ad8834d6d0ade3ca2e0c801fe

          • memory/1056-31-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1628-81-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1628-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-13-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1628-6-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1628-85-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1628-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1628-48-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/1628-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1628-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/1628-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-57-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1628-60-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/1660-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1660-106-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/1660-226-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1660-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2736-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2736-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2736-177-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3040-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-67-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-68-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-65-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-70-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-71-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-72-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-73-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-23-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-25-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-88-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-90-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-91-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/3040-66-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-49-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/3040-59-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/3040-107-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-110-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-63-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/3040-24-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-152-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3040-16-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-22-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB