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Analysis

  • max time kernel
    114s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 08:54

General

  • Target

    a6b4518d4fe63022c6637ee9a1be5c52d5f410ccffef615857691d80af6a3a7c.exe

  • Size

    135KB

  • MD5

    63ad30b98c976717941b784f75eec2c0

  • SHA1

    fcf7714969ccffb0492117851e5083b9f278af5a

  • SHA256

    a6b4518d4fe63022c6637ee9a1be5c52d5f410ccffef615857691d80af6a3a7c

  • SHA512

    b510f2bc92be91fac09eca8e183313dc690df21894e3627fe1996a2d28de4f83856b847417b4692bbe4310c73b614ffb1c575efa2a4be3e7a46cce18075662b2

  • SSDEEP

    3072:QNqMDUcnvXSj2wa2WI0oUSTRtWfcV64SsEE1URZANuZ7k:qqkUcnv0tfbTVCE1UUNuRk

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/

http://klkjwre77638dfqwieuoi888.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 7 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1300
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1444
        • C:\Users\Admin\AppData\Local\Temp\a6b4518d4fe63022c6637ee9a1be5c52d5f410ccffef615857691d80af6a3a7c.exe
          "C:\Users\Admin\AppData\Local\Temp\a6b4518d4fe63022c6637ee9a1be5c52d5f410ccffef615857691d80af6a3a7c.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Windows security modification
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1112
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1404

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1112-54-0x0000000075351000-0x0000000075353000-memory.dmp

          Filesize

          8KB

        • memory/1112-55-0x0000000001E30000-0x0000000002EBE000-memory.dmp

          Filesize

          16.6MB

        • memory/1112-56-0x0000000000800000-0x0000000000820000-memory.dmp

          Filesize

          128KB

        • memory/1112-57-0x0000000001E30000-0x0000000002EBE000-memory.dmp

          Filesize

          16.6MB

        • memory/1112-58-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/1112-59-0x0000000000800000-0x0000000000820000-memory.dmp

          Filesize

          128KB

        • memory/1112-60-0x0000000001E30000-0x0000000002EBE000-memory.dmp

          Filesize

          16.6MB

        • memory/1112-61-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/1112-62-0x0000000000800000-0x0000000000820000-memory.dmp

          Filesize

          128KB

        • memory/1112-63-0x0000000001E30000-0x0000000002EBE000-memory.dmp

          Filesize

          16.6MB