Analysis

  • max time kernel
    94s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 04:22

General

  • Target

    eb2fcc7fa6cd52235086d536dfead1ed5f4f8b75105c773bc948e6b0cfc71cf7.dll

  • Size

    120KB

  • MD5

    3e628f7e7eab42835c4c72ff36a42a22

  • SHA1

    af884fd4241439b4b0e824bee5c649f2198c4d26

  • SHA256

    eb2fcc7fa6cd52235086d536dfead1ed5f4f8b75105c773bc948e6b0cfc71cf7

  • SHA512

    e1d4673165e0cbb17a93b7cfd665d015a8570e4396c12bcb530ec3a1111f7f2b2bcaa13663b14c3ddac734385f8b1839d27193794e3cae289056738cf245ee05

  • SSDEEP

    3072:vGfgQSteacMnXMNJpC0oaci9Lb3FEA/r:v8UceEpC0DT

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 17 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 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:1140
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1252
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1320
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb2fcc7fa6cd52235086d536dfead1ed5f4f8b75105c773bc948e6b0cfc71cf7.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:376
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb2fcc7fa6cd52235086d536dfead1ed5f4f8b75105c773bc948e6b0cfc71cf7.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1768
              • C:\Users\Admin\AppData\Local\Temp\f776087.exe
                C:\Users\Admin\AppData\Local\Temp\f776087.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:2444
              • C:\Users\Admin\AppData\Local\Temp\f77624c.exe
                C:\Users\Admin\AppData\Local\Temp\f77624c.exe
                4⤵
                • Executes dropped EXE
                PID:2644
              • C:\Users\Admin\AppData\Local\Temp\f777c51.exe
                C:\Users\Admin\AppData\Local\Temp\f777c51.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:2552
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1108

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f776087.exe

            Filesize

            97KB

            MD5

            99b3ac0910f491b5ee53f5cddfd847b3

            SHA1

            18309fee47e3d3cd8f4c5979d8ef41102dac5ad8

            SHA256

            1ee3566f1f53b89eecfea2d75be2dc7a3485de895ca570531f0a561120fea20c

            SHA512

            49855856424ca8bd6b8caac75300518acfaa6d08e966ba6bb31db979798778db0ca3a57d23fb589a8f1e282551fd4eecc6dc3c0c8d9a92def417ecfc6dee6ab6

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            58a6ce075c555693236caef6ed42fda8

            SHA1

            c3879c75aa7fe06e038739a0d7ec7ab4fa9975d3

            SHA256

            3cd0e5feb278e61040b85d55d0f20aa838d3cd1a7045feacf557c25990a2edb1

            SHA512

            ecef32839e43776d32c1eb78431e9c9f18743e17ef2f977cfca50267abf0b97c5bd6fc434d424889dbd63b515658f84fab234a2d5b4640c187dc6a5f0318a529

          • memory/1140-30-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1768-78-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1768-11-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/1768-10-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/1768-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1768-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1768-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1768-38-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1768-39-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1768-47-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1768-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1768-60-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2444-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-52-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2444-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-48-0x0000000003C20000-0x0000000003C21000-memory.dmp

            Filesize

            4KB

          • memory/2444-50-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2444-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-159-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-69-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-70-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-83-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2444-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2444-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-84-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-85-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-89-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2552-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2552-173-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-215-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2552-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2552-105-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2552-136-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2552-106-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2644-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2644-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-137-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2644-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2644-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB