Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 12:16

General

  • Target

    6ba73892b4d58bbc522895037d54dff91d71efc09f38c9f7ac7b735a626b1e40N.dll

  • Size

    120KB

  • MD5

    7003c4de8e8e482c49ce0204ca807d40

  • SHA1

    307399acf11d26a4f349c93a61ff507094ed4586

  • SHA256

    6ba73892b4d58bbc522895037d54dff91d71efc09f38c9f7ac7b735a626b1e40

  • SHA512

    c8ac0f65ae96170ed30de0653576369c95168804f70f95af7b49c405dfeb8dd6879a4f969d582b3e4768fc3c94b43207993d9a36ca492ea172d7156c7cec8628

  • SSDEEP

    3072:fcpadlHnGGSc/iJtGR6x5ixZOI67Nx6O1RqIbMk:fc8jHnGGSc/wtGR05ixc6O3qe

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 11 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ba73892b4d58bbc522895037d54dff91d71efc09f38c9f7ac7b735a626b1e40N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2920
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ba73892b4d58bbc522895037d54dff91d71efc09f38c9f7ac7b735a626b1e40N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2932
              • C:\Users\Admin\AppData\Local\Temp\f766c4a.exe
                C:\Users\Admin\AppData\Local\Temp\f766c4a.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:2916
              • C:\Users\Admin\AppData\Local\Temp\f766e0f.exe
                C:\Users\Admin\AppData\Local\Temp\f766e0f.exe
                4⤵
                • Executes dropped EXE
                PID:696
              • C:\Users\Admin\AppData\Local\Temp\f768ae1.exe
                C:\Users\Admin\AppData\Local\Temp\f768ae1.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:2884
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1716

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f766c4a.exe

            Filesize

            97KB

            MD5

            06e3eff469c626e9d0cc511ef5493cc0

            SHA1

            72fb3f6187a4072221832672972a05229e3a574d

            SHA256

            94b42c3072f9629cb26515c3a14f7d01ce6a5548c6236816f5d1dab45a4cda7e

            SHA512

            0aa1d0a5ed73a2cca25d55965b1fb30b558557da57fc95ffc88cc997b03264abcd1e1d53682c82555287c75ba5ec5e7bf8d6dd23456d90a7466c9b50de639ee6

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ac4081d42d15242df3992e090edb4dfd

            SHA1

            af3a669cc7dad174eca3435f1adcead4f2cf4524

            SHA256

            d8482a2f625e5d8deba8ebc5811257234be2a0b14895a61ab7cbcfd141b76d17

            SHA512

            9a1b89a198be0dc4befcaccfd8b2523413027593f53b3e7de8746e86835a2083d1975383149c249c6c5d8379aef0127b805c21778109dbdb3ac68b89db29f557

          • memory/696-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/696-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/696-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/696-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/696-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/696-117-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1116-30-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2884-166-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2884-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2884-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2884-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2884-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2884-205-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2884-167-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2884-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2916-65-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-108-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2916-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-23-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-24-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-148-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-66-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2916-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2916-82-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-113-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-111-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-83-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-84-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-51-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2916-48-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2916-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-103-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-106-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-107-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-38-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2932-70-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2932-71-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2932-77-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2932-60-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2932-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2932-59-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2932-39-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2932-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-47-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2932-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB