Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 13:06

General

  • Target

    a6f6cb228092cee2b37b2886b405baf17c6acaf5da0c47ecaac6515a969523f5.dll

  • Size

    120KB

  • MD5

    ddbbae49d75b27b7185d6631dc276d59

  • SHA1

    2e4d99f8ff6f6a6cd0e59f2e0c7c3e73f7c601fe

  • SHA256

    a6f6cb228092cee2b37b2886b405baf17c6acaf5da0c47ecaac6515a969523f5

  • SHA512

    0e8ebae940e0202f115c0181ceb0175ae2d45e586a5476117251369fdc7d436a516ee45cd55fe19ac780a3173504e62259354de722797f7805b1fd87051044e3

  • SSDEEP

    3072:dcK/3E5esCxHCG4TjiD55fEqPBZV432iuJ83zPW7SUd:dcK/geRpcS5usXV02n83LtUd

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 23 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f6cb228092cee2b37b2886b405baf17c6acaf5da0c47ecaac6515a969523f5.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2168
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f6cb228092cee2b37b2886b405baf17c6acaf5da0c47ecaac6515a969523f5.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:600
              • C:\Users\Admin\AppData\Local\Temp\f76a959.exe
                C:\Users\Admin\AppData\Local\Temp\f76a959.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:2376
              • C:\Users\Admin\AppData\Local\Temp\f76aad0.exe
                C:\Users\Admin\AppData\Local\Temp\f76aad0.exe
                4⤵
                • Executes dropped EXE
                PID:2624
              • C:\Users\Admin\AppData\Local\Temp\f76c523.exe
                C:\Users\Admin\AppData\Local\Temp\f76c523.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:2140
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1868

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            20b0e492de67d5ce3293ff3e823d690d

            SHA1

            3829b7853f9c443923cb72cbcae69d2c1eaee558

            SHA256

            f8be1ce6c3be513f7efbff14a4e69b9b8685f8f22282aef0f4e7faf5beb7a9d5

            SHA512

            91afd8366ffd0580cca79591c79973fa350af29d295f705d698d9ddac87db37c8dabaacedda8f38da96e95eb44b4d94617108c841adda6fd96f87fe0eee869f1

          • \Users\Admin\AppData\Local\Temp\f76a959.exe

            Filesize

            97KB

            MD5

            6a2c388e87f0789ad17db2209cf198a3

            SHA1

            ac356ae1f28741be34fbeeb708e16996f8e74360

            SHA256

            420de4014dbe4875d062976c112c21d143dde44a058387b5d5bed65da10b6d2f

            SHA512

            cfa547e48176f9465b2411811b86de6e2d4c9550bb5d6f115d8296fa0c49b613a712e79856b6183506e5dabf24b449a08fc85f8876fca1b75b68d30c653ce56e

          • memory/600-81-0x00000000006E0000-0x00000000006F2000-memory.dmp

            Filesize

            72KB

          • memory/600-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/600-9-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/600-61-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/600-60-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/600-58-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/600-37-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/600-38-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/600-47-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/1112-28-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2140-180-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2140-106-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2140-104-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2140-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2140-103-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2140-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2140-211-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-84-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-13-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-62-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-68-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-69-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-50-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2376-76-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2376-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-85-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-88-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2376-51-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2376-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-48-0x00000000002D0000-0x00000000002D1000-memory.dmp

            Filesize

            4KB

          • memory/2376-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-14-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-157-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2624-133-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2624-97-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2624-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2624-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2624-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB