Analysis

  • max time kernel
    149s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 09:10

General

  • Target

    99ec9a8297e34de9d4c9236e279dea6f5ea2a2f3c0f2cf8685fa8eca468d8853.exe

  • Size

    412KB

  • MD5

    837ef19b862502a5a9ff960ea0ce1623

  • SHA1

    24928ea833107d90a88440e90328808d5988900e

  • SHA256

    99ec9a8297e34de9d4c9236e279dea6f5ea2a2f3c0f2cf8685fa8eca468d8853

  • SHA512

    f46009b6751085eb179e6220c2fc6545c21d8a4d66eea0460b58ca18175e08c27af386e78f5bdfa1a52a27bd44c6e48609aefd9a8f097312bd91f2de92da91ae

  • SSDEEP

    6144:eNeWZBWToGtrC/Homihueg1WM5MCoWuX0YnPK:OnAmihzqMycy

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 3 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 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99ec9a8297e34de9d4c9236e279dea6f5ea2a2f3c0f2cf8685fa8eca468d8853.exe
    "C:\Users\Admin\AppData\Local\Temp\99ec9a8297e34de9d4c9236e279dea6f5ea2a2f3c0f2cf8685fa8eca468d8853.exe"
    1⤵
    • Modifies firewall policy service
    • UAC bypass
    • Windows security bypass
    • Disables RegEdit via registry modification
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1676
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1220
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1124

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1676-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

                Filesize

                8KB

              • memory/1676-55-0x00000000026C0000-0x000000000374E000-memory.dmp

                Filesize

                16.6MB

              • memory/1676-56-0x0000000000400000-0x000000000046A000-memory.dmp

                Filesize

                424KB

              • memory/1676-57-0x00000000026C0000-0x000000000374E000-memory.dmp

                Filesize

                16.6MB

              • memory/1676-60-0x0000000000540000-0x0000000000542000-memory.dmp

                Filesize

                8KB

              • memory/1676-61-0x0000000004F10000-0x0000000004F12000-memory.dmp

                Filesize

                8KB

              • memory/1676-62-0x00000000026C0000-0x000000000374E000-memory.dmp

                Filesize

                16.6MB

              • memory/1676-63-0x0000000000540000-0x0000000000542000-memory.dmp

                Filesize

                8KB

              • memory/1676-64-0x0000000004F10000-0x0000000004F12000-memory.dmp

                Filesize

                8KB

              • memory/1676-65-0x0000000000400000-0x000000000046A000-memory.dmp

                Filesize

                424KB