Analysis

  • max time kernel
    123s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19/02/2024, 21:36

General

  • Target

    e484a6a145d0682eb866798124ad0d37ad8f5d44cd39fcd5deef7f77998e71af.exe

  • Size

    1.6MB

  • MD5

    39c180bc4277af876a7d77d3b712c12d

  • SHA1

    5e4aacb249c49b07ac902742d62831ab8fe3a45f

  • SHA256

    e484a6a145d0682eb866798124ad0d37ad8f5d44cd39fcd5deef7f77998e71af

  • SHA512

    ab1388a8ca58bb1fd392d1fcf083100a875765c4a65975ff6347efec8e7a5d982687f43c81a01031aebca74194474dfbdc4dbd9d943c4d580f6d45d87cd9c179

  • SSDEEP

    49152:+NLSrgb+LpHtEg5x31Vu+/oTUPJcrGqKIY:+NWrjLpNEox31Vu+v6rq

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 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 32 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    1⤵
      PID:1936
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1256
        • C:\Users\Admin\AppData\Local\Temp\e484a6a145d0682eb866798124ad0d37ad8f5d44cd39fcd5deef7f77998e71af.exe
          "C:\Users\Admin\AppData\Local\Temp\e484a6a145d0682eb866798124ad0d37ad8f5d44cd39fcd5deef7f77998e71af.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Drops autorun.inf file
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Modifies Internet Explorer settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2512
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1200
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1112

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • F:\ftcj.exe

                  Filesize

                  97KB

                  MD5

                  546b69b2d928fc3071858fc7335410ab

                  SHA1

                  55e45da597a16f6147bd03fabbb0494b5daf8819

                  SHA256

                  22f51d7de2529270ea6dac1613642db26beac60bb7432448c6f9465f77d44bbc

                  SHA512

                  1e3948b779e8b75e72f67ad2d3ba5105928a8722b2808915f1f24c9a25be4ec6ce4cf424413cc39624cf633640e98b5bad2d5bd28a146cc4c76a8e7d1494ef7f

                • memory/1112-6-0x0000000001D20000-0x0000000001D22000-memory.dmp

                  Filesize

                  8KB

                • memory/2512-38-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-34-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-2-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-5-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-7-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-10-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-13-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-23-0x00000000040F0000-0x00000000040F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2512-22-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-24-0x00000000044C0000-0x00000000044C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2512-26-0x00000000040F0000-0x00000000040F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2512-29-0x00000000044C0000-0x00000000044C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2512-28-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-30-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-32-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-33-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-42-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-35-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-4-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-0-0x0000000000400000-0x00000000005B2000-memory.dmp

                  Filesize

                  1.7MB

                • memory/2512-53-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-49-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-51-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-48-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-56-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-57-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-60-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-65-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-66-0x00000000040F0000-0x00000000040F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2512-69-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-71-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-72-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-74-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-76-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-78-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-80-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-1-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-174-0x0000000000400000-0x00000000005B2000-memory.dmp

                  Filesize

                  1.7MB

                • memory/2512-175-0x0000000002100000-0x00000000031BA000-memory.dmp

                  Filesize

                  16.7MB