Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 04:11

General

  • Target

    77ec58595df54d2b0d11f77e05afdc4627c8c61d46d096cd76cd4b83429a0b9c.dll

  • Size

    120KB

  • MD5

    fc00421e8afd6a28e062f48f2f0ce4bb

  • SHA1

    6e3c1d92e2cb405b34b6132a90911721221d6c0c

  • SHA256

    77ec58595df54d2b0d11f77e05afdc4627c8c61d46d096cd76cd4b83429a0b9c

  • SHA512

    d4a61300f79dec5acb00ae58a528dc23de819a97fc10290f90fb9792b24406fa98e0758272425d4d604b48ea850c83a7a8ee3a0cf0bac287b64f404117aab98f

  • SSDEEP

    3072:e2wAnaOrQR7SBj6HtmOJxJjEnYrFPVlrTl2/3:LwA9rrwNBJjm6Fdlnl+3

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 16 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1064
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1092
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1148
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\77ec58595df54d2b0d11f77e05afdc4627c8c61d46d096cd76cd4b83429a0b9c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2744
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\77ec58595df54d2b0d11f77e05afdc4627c8c61d46d096cd76cd4b83429a0b9c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2760
              • C:\Users\Admin\AppData\Local\Temp\f76e9e2.exe
                C:\Users\Admin\AppData\Local\Temp\f76e9e2.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:2696
              • C:\Users\Admin\AppData\Local\Temp\f76eb58.exe
                C:\Users\Admin\AppData\Local\Temp\f76eb58.exe
                4⤵
                • Executes dropped EXE
                PID:2596
              • C:\Users\Admin\AppData\Local\Temp\f7705bb.exe
                C:\Users\Admin\AppData\Local\Temp\f7705bb.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:2052
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1220

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0eed143395e641914eb8d725f8bbbc7c

            SHA1

            474746ca000dbeb38e9de476cc8b1b54b6bb9e0c

            SHA256

            609205b276e249eff2aadbd109abcdcfd6144e6723d78832a12b6367efa9e639

            SHA512

            6e8ce0dcbc22875739344f90a3be3f30e61687a27a2171993900466fd5ca017a8865c15c6fd067eddfd4ebeaed645b5e2f7d59b107b751ce4ef61c275ffc2ef9

          • \Users\Admin\AppData\Local\Temp\f76e9e2.exe

            Filesize

            97KB

            MD5

            907a955c4395bae99738fc325d180745

            SHA1

            96b331ce7d13799a84bce2f11a070e6043a430db

            SHA256

            23ece49a1bd1ddba305e117a30d6cfb07ebea578830b67f3226d518c1c2b7bb5

            SHA512

            4c66c643004ae0910f0d5d2b8b901b597de8b3af2d94f9adbb183a726e76676ca55f8d05ed32e2aeec9c88032a05b5effbe0de141a38c83433b834206735ca29

          • memory/1064-26-0x0000000001DA0000-0x0000000001DA2000-memory.dmp

            Filesize

            8KB

          • memory/2052-219-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2052-218-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-180-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2052-115-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2052-114-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2596-134-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2596-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2596-112-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2596-104-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2596-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-93-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-72-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-162-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-163-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-25-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-64-0x0000000001670000-0x0000000001672000-memory.dmp

            Filesize

            8KB

          • memory/2696-62-0x0000000002E50000-0x0000000002E51000-memory.dmp

            Filesize

            4KB

          • memory/2696-63-0x0000000001670000-0x0000000001672000-memory.dmp

            Filesize

            8KB

          • memory/2696-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-94-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-90-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-91-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-36-0x0000000000790000-0x0000000000791000-memory.dmp

            Filesize

            4KB

          • memory/2760-42-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2760-44-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2760-73-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2760-54-0x0000000000800000-0x0000000000812000-memory.dmp

            Filesize

            72KB

          • memory/2760-35-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2760-85-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2760-38-0x0000000000790000-0x0000000000791000-memory.dmp

            Filesize

            4KB

          • memory/2760-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2760-53-0x0000000000800000-0x0000000000812000-memory.dmp

            Filesize

            72KB

          • memory/2760-7-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/2760-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2760-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2760-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2760-220-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB