Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 01:39

General

  • Target

    e3126cf5303712618cb5086fbe579e4cb7e2f7c3976cfe8d3c19d9dda3cf70d1.exe

  • Size

    965KB

  • MD5

    a2f62c57a418b04ad817eee901832dc4

  • SHA1

    10bc5555316b863abdb37b8326f11e4514deb2cd

  • SHA256

    e3126cf5303712618cb5086fbe579e4cb7e2f7c3976cfe8d3c19d9dda3cf70d1

  • SHA512

    36a0488ae92bf334313f0871d4d69803e054e1744cc0283df9a0104ff0d7d327b24ca8c8b0d1ecc7b3d3cc9e9bcd7aa62005011ba63f7e6afdfbbf37de5524c6

  • SSDEEP

    24576:geZtoI96g9niyvDlu+mzR5A1QpWbCzJs5TNoE:gbmbDluK1QUY0p

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 5 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 21 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 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1244
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1352
        • C:\Users\Admin\AppData\Local\Temp\e3126cf5303712618cb5086fbe579e4cb7e2f7c3976cfe8d3c19d9dda3cf70d1.exe
          "C:\Users\Admin\AppData\Local\Temp\e3126cf5303712618cb5086fbe579e4cb7e2f7c3976cfe8d3c19d9dda3cf70d1.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:1608
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1328
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:664

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/1608-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

                  Filesize

                  8KB

                • memory/1608-55-0x0000000002000000-0x000000000308E000-memory.dmp

                  Filesize

                  16.6MB

                • memory/1608-56-0x0000000000400000-0x00000000005D8000-memory.dmp

                  Filesize

                  1.8MB

                • memory/1608-57-0x0000000002000000-0x000000000308E000-memory.dmp

                  Filesize

                  16.6MB

                • memory/1608-58-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/1608-59-0x0000000004560000-0x0000000004562000-memory.dmp

                  Filesize

                  8KB

                • memory/1608-60-0x0000000000400000-0x00000000005D8000-memory.dmp

                  Filesize

                  1.8MB

                • memory/1608-61-0x0000000002000000-0x000000000308E000-memory.dmp

                  Filesize

                  16.6MB

                • memory/1608-62-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/1608-63-0x0000000004560000-0x0000000004562000-memory.dmp

                  Filesize

                  8KB