Analysis

  • max time kernel
    122s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    14/11/2023, 23:44

General

  • Target

    71b7e1295ff7d5c0714d647264db59f092e99e8e9c194f865b05132c30b78bf6.exe

  • Size

    4.9MB

  • MD5

    cb16e81733f5d4bc2e7cc85fd78d6212

  • SHA1

    34b732c2e805eeaeef05d1daf13691450456af46

  • SHA256

    71b7e1295ff7d5c0714d647264db59f092e99e8e9c194f865b05132c30b78bf6

  • SHA512

    067ff49f56a3ece0589117c5e6e7d826dbcebb4a5792bbfb86c610ff194b156a51ba21bfb68e718a5e9cf6e416666104b3afbd57da24b8d1c0a8e96b8988fd67

  • SSDEEP

    98304:GyQllJ6bh8FzgCUMy9eW1BXBBImmBSq7Nmhv4eUov:vQljCCHyD1fjaAGeP

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 26 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Users\Admin\AppData\Local\Temp\71b7e1295ff7d5c0714d647264db59f092e99e8e9c194f865b05132c30b78bf6.exe
            "C:\Users\Admin\AppData\Local\Temp\71b7e1295ff7d5c0714d647264db59f092e99e8e9c194f865b05132c30b78bf6.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1620
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:856
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:2600

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\ckah.pif

                    Filesize

                    100KB

                    MD5

                    ccecd6d17114588b207eada01cd3ca0a

                    SHA1

                    42b6c59260ea7ee68f574a571df667b2656212fc

                    SHA256

                    4968e511f7d84f4d92081837fc7124c4d1966b3f5a4fbf94d4e7b6ed7f100430

                    SHA512

                    c147ea3919f06adc00a7e446ab98a6e93604427284fd2bf6b26ed0ef46db1f860a98b04db128eb77517d814117894345fcd055739dcbea9f73084d10124c6a5e

                  • memory/1124-5-0x0000000001B40000-0x0000000001B42000-memory.dmp

                    Filesize

                    8KB

                  • memory/1620-26-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-51-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-4-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-8-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-13-0x0000000003C10000-0x0000000003C50000-memory.dmp

                    Filesize

                    256KB

                  • memory/1620-11-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-17-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

                    Filesize

                    8KB

                  • memory/1620-14-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-19-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1620-18-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-24-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1620-21-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-23-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

                    Filesize

                    8KB

                  • memory/1620-25-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-1-0x0000000000400000-0x0000000000900000-memory.dmp

                    Filesize

                    5.0MB

                  • memory/1620-27-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-3-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-59-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-43-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-62-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-63-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-64-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-65-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-68-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-80-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-83-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-84-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-86-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-88-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-90-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-92-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/1620-95-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

                    Filesize

                    8KB

                  • memory/1620-0-0x0000000002300000-0x000000000338E000-memory.dmp

                    Filesize

                    16.6MB