Analysis

  • max time kernel
    70s
  • 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 02:50

General

  • Target

    a70640cc8eedf9d9e529330558589b8a0fd5c8e471df10b41c048a7cb15a7e40N.dll

  • Size

    120KB

  • MD5

    a692935b75d1ba63092a4c5751e506f0

  • SHA1

    0370ba99857ca8b21310fa240cfeee5febf1ab96

  • SHA256

    a70640cc8eedf9d9e529330558589b8a0fd5c8e471df10b41c048a7cb15a7e40

  • SHA512

    f73b9a750734dd30acdb860cb337281e164a392a71cfdcd7cd98411a1bdef4b9e552394b73af252a4009bef083543e6a4fa0ddc99a4913e37a354547a853f2a0

  • SSDEEP

    3072:Vr4GSn/Ne4Ng+2CyEPQuL/mcxI+kw4T01C:94GSn/Msz2v/uL/7Iv9K

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 14 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:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a70640cc8eedf9d9e529330558589b8a0fd5c8e471df10b41c048a7cb15a7e40N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2484
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a70640cc8eedf9d9e529330558589b8a0fd5c8e471df10b41c048a7cb15a7e40N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2748
              • C:\Users\Admin\AppData\Local\Temp\f774b04.exe
                C:\Users\Admin\AppData\Local\Temp\f774b04.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:2828
              • C:\Users\Admin\AppData\Local\Temp\f774f58.exe
                C:\Users\Admin\AppData\Local\Temp\f774f58.exe
                4⤵
                • Executes dropped EXE
                PID:1936
              • C:\Users\Admin\AppData\Local\Temp\f776539.exe
                C:\Users\Admin\AppData\Local\Temp\f776539.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:3036
        • 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

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            fc6e3b89b6aa7f0212ff6265ea633692

            SHA1

            a0fb5b32825e1778dc6c6f5172e6b6abea7d0459

            SHA256

            faa0458684fae3e737d57a87a30eecca3a173ec0710db3785b491f8f0ac20846

            SHA512

            1a1253244baef024b9f75fe0f758bcad9fcb0f2bd0aeea969bfa4ff835c3cbcbce1cd07409858a734f9ec05d4bd9ae45b628e79f6498763882b0d18c4050b624

          • \Users\Admin\AppData\Local\Temp\f774b04.exe

            Filesize

            97KB

            MD5

            360c832d2b37ba75b7051500560d25c4

            SHA1

            9eef5cd123ea7370a46641acb73bb83d12cf724c

            SHA256

            c6b33f40a3c1a386a8ea74a7ae90edfc28e44fa07ea73679141a4b45714c8d76

            SHA512

            5d5379467e7bf5db5913bbc8139389be8071efcc74cf1c36127dcfd32760901fab3d8ac887e2481e161d8a68ce4763c65f5565cae0b8f135db2d0832b77ffe31

          • memory/1096-26-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/1936-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1936-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1936-107-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1936-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1936-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2748-10-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2748-54-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2748-9-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2748-78-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2748-81-0x0000000000160000-0x0000000000166000-memory.dmp

            Filesize

            24KB

          • memory/2748-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2748-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2748-34-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2748-33-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2748-43-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2748-55-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2748-48-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2828-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-88-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-44-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/2828-23-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-24-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2828-69-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-83-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-84-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-86-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2828-62-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2828-89-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-156-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-111-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2828-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-108-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/3036-110-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3036-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-166-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-168-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3036-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-206-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB