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Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 19:05

General

  • Target

    1904e94a1fcad70d9ee80f4962c8f62c9ee3b314918a5b0ec40125ea4b68cc64.dll

  • Size

    120KB

  • MD5

    fae4109c2a414b671e19b09376482c0f

  • SHA1

    d46cd75921119564cfac62076128dcbd5a7e30d9

  • SHA256

    1904e94a1fcad70d9ee80f4962c8f62c9ee3b314918a5b0ec40125ea4b68cc64

  • SHA512

    72ce4265444059c5f2283e4349b0f098168009f2ed05a578e8216c5159b3771fb71f699b760ffc4edfd81a676fcc1d915febfaae22601a35a119bcea41b2aec1

  • SSDEEP

    1536:27AKQiz7CFo0jg8NRXDccz8bEkCBXsreeXIZNSQgy6PM1:2UKQiUo0jxwskCB8rn8Hvc0

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 2 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs
  • UPX dump on OEP (original entry point) 29 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 11 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1904e94a1fcad70d9ee80f4962c8f62c9ee3b314918a5b0ec40125ea4b68cc64.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2060
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1904e94a1fcad70d9ee80f4962c8f62c9ee3b314918a5b0ec40125ea4b68cc64.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2512
              • C:\Users\Admin\AppData\Local\Temp\f763820.exe
                C:\Users\Admin\AppData\Local\Temp\f763820.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2724
              • C:\Users\Admin\AppData\Local\Temp\f764183.exe
                C:\Users\Admin\AppData\Local\Temp\f764183.exe
                4⤵
                • Executes dropped EXE
                PID:2752
              • C:\Users\Admin\AppData\Local\Temp\f765274.exe
                C:\Users\Admin\AppData\Local\Temp\f765274.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2416
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1984

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f763820.exe

            Filesize

            97KB

            MD5

            5ae564a51028a564b780799e2bc65d3c

            SHA1

            0d1ce53df796a5f7ce635dd29f23dab56e4f12df

            SHA256

            701a687f778f35b4637af349c5f688b1a242e0cf4f7174d7fa27c112bf8ae2dc

            SHA512

            46ce87c74e0868edc82cf2d21dc1b8c3d50e724c40ee21dec1afd8434de9a7af9b1204aa9d02267647e89a7e0ab12720323d61d51b801d91a541ff58309115a6

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            e510c153e2e74d7ada2018887a1f9ce3

            SHA1

            c0b90da63d0cfb808f2317de6001527f0b6ad25a

            SHA256

            d6ad976370ca76ee6353444bb9228b5c086e88170b9136bc4ea17b00d8f4f800

            SHA512

            ed1e1af6569a3dba9cee1a94c64c7ef6d95c41bacc1ffcaf2f7e49c737c5fef2f17e4d06445c42c894c2b6c72aa57308c75fe3c329d27dd6a0858c0f293374d6

          • memory/1128-16-0x0000000001D20000-0x0000000001D22000-memory.dmp

            Filesize

            8KB

          • memory/2416-179-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2416-180-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2416-76-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2416-143-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2416-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2512-72-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2512-11-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2512-50-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2512-4-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2512-33-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2512-77-0x0000000000160000-0x0000000000166000-memory.dmp

            Filesize

            24KB

          • memory/2512-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2512-36-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2512-48-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2512-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2512-34-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2724-60-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2724-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-58-0x00000000017E0000-0x00000000017E1000-memory.dmp

            Filesize

            4KB

          • memory/2724-57-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-38-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-28-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-78-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-79-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-80-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-53-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-12-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-100-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-102-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-106-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-114-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2724-135-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-136-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2752-93-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2752-92-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2752-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB