Analysis

  • max time kernel
    83s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 06:08

General

  • Target

    27de9e4980f60d63b20bbe155f97b9a7b3b47b15b94fbf59197e2dbbc8359e43.dll

  • Size

    120KB

  • MD5

    bcac25a742dc6b230b7aaf593f22a086

  • SHA1

    dcca2ec364493ce09dc8f443873aabe2c0781682

  • SHA256

    27de9e4980f60d63b20bbe155f97b9a7b3b47b15b94fbf59197e2dbbc8359e43

  • SHA512

    80ec85721c6e12b34ce322b907d44819473bda98a01b9e33a94b55351153d1fb8bb17ac40ae82e92b3eb5871bcfc9caf96b8ee70eaa06e599e064f5315575c3c

  • SSDEEP

    3072:cFmdaG5KraU4n+AIz+EfRSPhWHP63zDH8r:cF0aGlgrf2hWKXW

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 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1056
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1124
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\27de9e4980f60d63b20bbe155f97b9a7b3b47b15b94fbf59197e2dbbc8359e43.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2756
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\27de9e4980f60d63b20bbe155f97b9a7b3b47b15b94fbf59197e2dbbc8359e43.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2172
              • C:\Users\Admin\AppData\Local\Temp\f76e198.exe
                C:\Users\Admin\AppData\Local\Temp\f76e198.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:2500
              • C:\Users\Admin\AppData\Local\Temp\f76e34d.exe
                C:\Users\Admin\AppData\Local\Temp\f76e34d.exe
                4⤵
                • Executes dropped EXE
                PID:2600
              • C:\Users\Admin\AppData\Local\Temp\f76fd52.exe
                C:\Users\Admin\AppData\Local\Temp\f76fd52.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:2284
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1472

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c4fb63aaa88ae8ff630f86f79f1d8db1

            SHA1

            3e39831a916fd490c609d3c9cdbeb725bfee8e50

            SHA256

            abb637dd41321095c454a649164590de7f224bb2fa03a45a8c8893185919f4a3

            SHA512

            51a1b0df4c7e5175cb2d95777904ca4a22f6b9da4b56ecbee3aa31768342a3b0348f8169d757f595514f4772b3325d8a959c069b0b1de8915e0134d0c6144053

          • \Users\Admin\AppData\Local\Temp\f76e198.exe

            Filesize

            97KB

            MD5

            5d61bd5cfd312ce28752a7d6e172eff7

            SHA1

            e388c0c0ff67cdb7aaf2a21ef4a9959e3775dbaf

            SHA256

            a99fb4151ce1214a1a64511f2d79214e739966734400901f9946c57572fc420d

            SHA512

            c199b7c2c9f29f4d1689dd60c982ee5380581d3cd2292b9d3a5dc050665b0278c6f94ca29d5a1870d7621a11fd3b0d107c7303d436594972a66a28d1a0fd9bef

          • memory/1048-32-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/2172-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2172-82-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2172-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2172-214-0x00000000003E0000-0x00000000003F2000-memory.dmp

            Filesize

            72KB

          • memory/2172-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2172-13-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2172-7-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2172-40-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2172-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2172-57-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2172-39-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2172-60-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2172-59-0x00000000003C0000-0x00000000003D2000-memory.dmp

            Filesize

            72KB

          • memory/2172-42-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2284-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2284-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2284-212-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2284-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2284-174-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2284-161-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2284-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2500-48-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2500-26-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-24-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-65-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-68-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-69-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-25-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2500-72-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2500-84-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-86-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-88-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-23-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-108-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-50-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2500-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-109-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2500-155-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-125-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2600-97-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2600-98-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2600-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2600-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB