Analysis

  • max time kernel
    43s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2022, 23:34

General

  • Target

    6a722657aff2c36ea6421f10b43e817add57c7863af61b1cb07366e3a6ed41ed.exe

  • Size

    129KB

  • MD5

    6540692fa1a192f7f054e1db60d23430

  • SHA1

    42b32130abaf81dfd3d043e34978bb2a321dfc0e

  • SHA256

    6a722657aff2c36ea6421f10b43e817add57c7863af61b1cb07366e3a6ed41ed

  • SHA512

    b83250027aecfc02736ebd0c5a003bd79a3ba0ff669f80a89573d1a82821a9fc07d33cf0b758b45677d3b40fb9e2f0d7a8b5d3b016003125c15f20701d901956

  • SSDEEP

    3072:eUFV6q9R/dlMMMMM2MMMMM8S124YmwNfTagEy//sF5tQGp:eUF8CRVlMMMMM2MMMMM84YmwNfutht1

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 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 1 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1280
      • C:\Users\Admin\AppData\Local\Temp\6a722657aff2c36ea6421f10b43e817add57c7863af61b1cb07366e3a6ed41ed.exe
        "C:\Users\Admin\AppData\Local\Temp\6a722657aff2c36ea6421f10b43e817add57c7863af61b1cb07366e3a6ed41ed.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • 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:1700
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1240
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1700-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

                Filesize

                8KB

              • memory/1700-55-0x0000000002430000-0x00000000034BE000-memory.dmp

                Filesize

                16.6MB

              • memory/1700-56-0x0000000001000000-0x0000000001023000-memory.dmp

                Filesize

                140KB

              • memory/1700-57-0x0000000002430000-0x00000000034BE000-memory.dmp

                Filesize

                16.6MB

              • memory/1700-58-0x00000000002B0000-0x00000000002B2000-memory.dmp

                Filesize

                8KB

              • memory/1700-59-0x0000000002430000-0x00000000034BE000-memory.dmp

                Filesize

                16.6MB