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Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 22:35

General

  • Target

    9a744510aa6c98a2a9880c76bebfd2d7cb2b4abd11a92823a7b1d3d9ba51d831.dll

  • Size

    120KB

  • MD5

    c1305ba0747068170b1e0a5e43981d65

  • SHA1

    0578904ac6e0693a2bf396f9c6c3e677873411a0

  • SHA256

    9a744510aa6c98a2a9880c76bebfd2d7cb2b4abd11a92823a7b1d3d9ba51d831

  • SHA512

    509535e470811d6eeb36f108ccaa02f9c9bfa800748fef85bb162e9d0eca66bc4d33dadb47e0cb45eba440b15406ef8c14ac80bfba4ed7bc5e36e8f9dcedceb8

  • SSDEEP

    3072:t6RdsJRnvxBVOGb9gHRdR49BxG9siWjaDnq+:kRd6nv7EGb2RSMNOqB

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 15 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a744510aa6c98a2a9880c76bebfd2d7cb2b4abd11a92823a7b1d3d9ba51d831.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1860
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a744510aa6c98a2a9880c76bebfd2d7cb2b4abd11a92823a7b1d3d9ba51d831.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1544
              • C:\Users\Admin\AppData\Local\Temp\f76fca7.exe
                C:\Users\Admin\AppData\Local\Temp\f76fca7.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:2120
              • C:\Users\Admin\AppData\Local\Temp\f770020.exe
                C:\Users\Admin\AppData\Local\Temp\f770020.exe
                4⤵
                • Executes dropped EXE
                PID:2456
              • C:\Users\Admin\AppData\Local\Temp\f771803.exe
                C:\Users\Admin\AppData\Local\Temp\f771803.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:576
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2032

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6145c99dc0c80ce4fb419efc0fd1447b

            SHA1

            9725d4036de1cc6e81342cd94813466fc330d986

            SHA256

            1a7b8e95177d7f67fbca872d5c163ed05b3cd28f3c112f2635ad934f0986c043

            SHA512

            2dcc1bcb528e00a7d964b9fa3ad92082adcd72a33a62ec680a7e8d04c0424f4457795cb565fb3fe49feb3739ad1c6b36b18a18d677355f0ce38881fdef9666e4

          • \Users\Admin\AppData\Local\Temp\f76fca7.exe

            Filesize

            97KB

            MD5

            292443baea40d7bc5d1c6a5c6dc6ce93

            SHA1

            bb45eb2765f3383095e2813c211c826483f3a783

            SHA256

            4547f4f23d0ca273907be6af29199916432b96edef4ed74c440a6906cf181c31

            SHA512

            36aedc9b58477b76b77200a4977efad072ef09a3672bb94163206723bbb6b4c53a080efe7286086a136ec945828766e6db60fa85c23aef544c2eda6173a72770

          • memory/576-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/576-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/576-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/576-213-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/576-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/576-177-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/576-135-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1116-28-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1544-87-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1544-38-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1544-5-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/1544-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1544-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1544-67-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1544-54-0x00000000003D0000-0x00000000003E2000-memory.dmp

            Filesize

            72KB

          • memory/1544-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1544-37-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1544-42-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1544-41-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1544-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2120-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-50-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2120-60-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-62-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-51-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2120-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-81-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-69-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2120-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-83-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-84-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-12-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-88-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-49-0x0000000001620000-0x0000000001621000-memory.dmp

            Filesize

            4KB

          • memory/2120-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-157-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2456-158-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2456-171-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2456-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB