Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 14:27

General

  • Target

    80bf17ea5e1317c79c77bdd29497b5fb9cefb491b8925d5fc3510b9e6ef43cd6N.dll

  • Size

    120KB

  • MD5

    fec24fa3a4800a7f22475dc19ff524a0

  • SHA1

    5661f8c529a7d5ea06a0faa30e8d610a11e32230

  • SHA256

    80bf17ea5e1317c79c77bdd29497b5fb9cefb491b8925d5fc3510b9e6ef43cd6

  • SHA512

    4eb4f8e906213b847a98cb50b40a254f5fef54d3191f3a63f343738aabe5eb870cc42000fdd3ccee064ec2abdb1cb926f83810338e63a7e4572ee2a239b5de95

  • SSDEEP

    3072:rb7RgBj5eTiKqmI42hjVc3r7aDqYeKtV+j2MNJ:rfUEOdmMtVKr1YeSVdMN

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 23 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1204
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1240
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\80bf17ea5e1317c79c77bdd29497b5fb9cefb491b8925d5fc3510b9e6ef43cd6N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2208
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\80bf17ea5e1317c79c77bdd29497b5fb9cefb491b8925d5fc3510b9e6ef43cd6N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2316
              • C:\Users\Admin\AppData\Local\Temp\f777149.exe
                C:\Users\Admin\AppData\Local\Temp\f777149.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:2448
              • C:\Users\Admin\AppData\Local\Temp\f777465.exe
                C:\Users\Admin\AppData\Local\Temp\f777465.exe
                4⤵
                • Executes dropped EXE
                PID:2644
              • C:\Users\Admin\AppData\Local\Temp\f778fb2.exe
                C:\Users\Admin\AppData\Local\Temp\f778fb2.exe
                4⤵
                • Executes dropped EXE
                PID:1888
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1364

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f777149.exe

            Filesize

            97KB

            MD5

            a2660b4fe1dbabafe79c423e220a8948

            SHA1

            25b2dc1bedf1992b6dff5bf0cca4410014268d58

            SHA256

            b94e922b5138eaa4f87080d77cd3d2a2e8a392c73f4eb3bee2ce3f2a8ab13d66

            SHA512

            a52238c0bf45108be95086113f1a795055c79e4ab3ba3c79ba819fa554d95be3f4458a76149f94d10299a72d89c924412783f6b2b0636011c8cf240f8b75f469

          • memory/1104-31-0x0000000001C60000-0x0000000001C62000-memory.dmp

            Filesize

            8KB

          • memory/1888-106-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/1888-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1888-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1888-109-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1888-166-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2316-7-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2316-60-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2316-48-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2316-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2316-58-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2316-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2316-80-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2316-13-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2316-84-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2316-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2316-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2316-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2316-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2316-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2448-23-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-59-0x0000000002E70000-0x0000000002E72000-memory.dmp

            Filesize

            8KB

          • memory/2448-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-49-0x0000000002E80000-0x0000000002E81000-memory.dmp

            Filesize

            4KB

          • memory/2448-51-0x0000000002E70000-0x0000000002E72000-memory.dmp

            Filesize

            8KB

          • memory/2448-22-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-67-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-69-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-70-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-72-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-24-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-86-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2448-88-0x0000000002E70000-0x0000000002E72000-memory.dmp

            Filesize

            8KB

          • memory/2448-89-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-91-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-92-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-25-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-161-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2448-112-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2448-15-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-100-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2644-135-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2644-108-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2644-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-110-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2644-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB