Analysis

  • max time kernel
    42s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 13:03

General

  • Target

    813fc4a0f58f8d3a7d2bedf49c6bfeb581630d4452fb94dbbb3fb8c792ba4dc7.exe

  • Size

    129KB

  • MD5

    3ebc997486bca1cda946f75e633b4bed

  • SHA1

    742a042100aecac9ccab0eda91b2799429a86c8d

  • SHA256

    813fc4a0f58f8d3a7d2bedf49c6bfeb581630d4452fb94dbbb3fb8c792ba4dc7

  • SHA512

    14629cb55ba78cfb9fd050433c3c407427ca878a737b4fea2147ec260cf9ac332677a8a8154094dc26cba6a5baf4f4a69f8ac7e66a31b3859704ecd2f8bdbc2d

  • SSDEEP

    3072:GA3GUkl88MWluQ/NBB6a1di6GA0KymT66srPI:RWMWlT/NH6gTGAwm26srPI

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 4 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 15 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1184
    • C:\Users\Admin\AppData\Local\Temp\813fc4a0f58f8d3a7d2bedf49c6bfeb581630d4452fb94dbbb3fb8c792ba4dc7.exe
      "C:\Users\Admin\AppData\Local\Temp\813fc4a0f58f8d3a7d2bedf49c6bfeb581630d4452fb94dbbb3fb8c792ba4dc7.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 file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1620
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\system32\schtasks.exe /create /tn "JavaUpdateAdmin" /tr C:\Users\Admin\AppData\Local\Temp\jusched.exe /sc daily
        2⤵
        • Creates scheduled task(s)
        PID:1476
      • C:\Windows\SysWOW64\schtasks.exe
        C:\Windows\system32\schtasks.exe /run /tn "JavaUpdateAdmin"
        2⤵
          PID:1952
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1272
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1124
          • C:\Windows\system32\conhost.exe
            \??\C:\Windows\system32\conhost.exe "-1434981544545168863-112811643874667472-149715879411151702461774963044-1180090461"
            1⤵
              PID:752
            • C:\Windows\system32\taskeng.exe
              taskeng.exe {B5F9A29A-423D-4166-9463-A82A7FBE9B97} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]
              1⤵
                PID:1200

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/1476-61-0x00000000001C0000-0x00000000001C2000-memory.dmp

                      Filesize

                      8KB

                    • memory/1620-60-0x0000000003C70000-0x0000000003C72000-memory.dmp

                      Filesize

                      8KB

                    • memory/1620-57-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

                      Filesize

                      16.6MB

                    • memory/1620-58-0x0000000000270000-0x0000000000272000-memory.dmp

                      Filesize

                      8KB

                    • memory/1620-56-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/1620-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

                      Filesize

                      8KB

                    • memory/1620-55-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

                      Filesize

                      16.6MB

                    • memory/1620-62-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

                      Filesize

                      16.6MB

                    • memory/1620-63-0x0000000000270000-0x0000000000272000-memory.dmp

                      Filesize

                      8KB

                    • memory/1620-64-0x0000000003C70000-0x0000000003C72000-memory.dmp

                      Filesize

                      8KB

                    • memory/1620-66-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/1620-67-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

                      Filesize

                      16.6MB