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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 23:43

General

  • Target

    a9ba38b98e506ebe72697420ba9474de03cefbf67a368d8383975e801c46f61c.dll

  • Size

    120KB

  • MD5

    6e9755d2725f5d54ff7015e406c4b7cd

  • SHA1

    9a93d85e9a506341bc65be7d18956a88be3c7bf0

  • SHA256

    a9ba38b98e506ebe72697420ba9474de03cefbf67a368d8383975e801c46f61c

  • SHA512

    0e961a6b52533d223459cc03e73af277b439b4f76e3c5fe70915be944a81e1441f5ebd04f58df6439b1b16b13a7a96bb071eb48a0799a71f3a8bc9610c7491f4

  • SSDEEP

    1536:kevW5nAOIu8sSfL6DcNvFmXXyTp+o1Hk5Utt8funBoAp13Uxy5Nn6C:bvW5n7CftIe58at8fmoArUWNnP

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 14 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9ba38b98e506ebe72697420ba9474de03cefbf67a368d8383975e801c46f61c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1996
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9ba38b98e506ebe72697420ba9474de03cefbf67a368d8383975e801c46f61c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1604
              • C:\Users\Admin\AppData\Local\Temp\f767446.exe
                C:\Users\Admin\AppData\Local\Temp\f767446.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:2816
              • C:\Users\Admin\AppData\Local\Temp\f767629.exe
                C:\Users\Admin\AppData\Local\Temp\f767629.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2688
              • C:\Users\Admin\AppData\Local\Temp\f768fd1.exe
                C:\Users\Admin\AppData\Local\Temp\f768fd1.exe
                4⤵
                • Executes dropped EXE
                PID:1248
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1648

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            55c31ed9db64502c0298da5344f0c445

            SHA1

            ead78e57fa3752e57f28d88404cb035e7d15a623

            SHA256

            8e8ca2a77b8bf07709799bf25e162e9b6dfe3c6c757c08fcdb038ff0d7a00f05

            SHA512

            abeebc4b88e47fdf3a8628f6a32be5f24b5d639bbf6ce1642bb219fb56e0a4614de3fa6bbdb49421bfaa30daf78c57d2294488bc45c3dc28abfa1ffdee02f3af

          • \Users\Admin\AppData\Local\Temp\f767446.exe

            Filesize

            97KB

            MD5

            5c55c78edb1e4063c9104a4fc3eb2d2a

            SHA1

            ac8a23fb425d7b9fee71dec1689d1dcf1b544c8c

            SHA256

            7ceaa1a5387f155b272bd67973fd2764877365099ae1badd7171a5f7ff420327

            SHA512

            dec0ffe7b020c1aa8c0cdac8d9cc935cfbf1c0e01a9542d22c007c604743af326eb2ba9871c65625cb470b74adb9febb1184c8105ff357965a9ee85764b08b52

          • memory/1088-22-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/1248-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1248-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1248-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1248-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1248-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1604-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1604-29-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1604-78-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1604-50-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1604-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1604-47-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1604-49-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/1604-4-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/1604-30-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2688-126-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2688-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2688-184-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2688-159-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2688-94-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2688-95-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2688-96-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2688-51-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-54-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2816-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-66-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-59-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-81-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-82-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-83-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-13-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-60-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-16-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-38-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2816-103-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-104-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-52-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2816-150-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-11-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB