Analysis

  • max time kernel
    36s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2022 23:33

General

  • Target

    74932c0c55fb6d03b2bd0a8f07aa25828c2447a01a15d8202a8e34cc0ad8953d.exe

  • Size

    623KB

  • MD5

    7c9b3bff8d7363030ac6e7d1fda90710

  • SHA1

    6471a9c10e0e35189625e9ab75d4e23fef93c47d

  • SHA256

    74932c0c55fb6d03b2bd0a8f07aa25828c2447a01a15d8202a8e34cc0ad8953d

  • SHA512

    ecbe453d4ab866dc912a20346332ddafc6e1e23309a71eb346a798151ba84e237a65a6be3409478e07ec77dfefd306e76df40a706d71a88f58e7ecd1e95c7eee

  • SSDEEP

    12288:xT7t5Em7x95rvXlEPz7sdT8ivvCnwCZ45CYJ4legjmmI6UHPL:xnttx9ROGM04ggJUHPL

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

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1180
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1368
        • C:\Users\Admin\AppData\Local\Temp\74932c0c55fb6d03b2bd0a8f07aa25828c2447a01a15d8202a8e34cc0ad8953d.exe
          "C:\Users\Admin\AppData\Local\Temp\74932c0c55fb6d03b2bd0a8f07aa25828c2447a01a15d8202a8e34cc0ad8953d.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Windows security modification
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1592
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1320

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1592-54-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

          Filesize

          8KB

        • memory/1592-55-0x0000000001E50000-0x0000000002EDE000-memory.dmp

          Filesize

          16.6MB

        • memory/1592-56-0x0000000000400000-0x00000000004A2000-memory.dmp

          Filesize

          648KB

        • memory/1592-57-0x0000000001E50000-0x0000000002EDE000-memory.dmp

          Filesize

          16.6MB

        • memory/1592-58-0x00000000002C0000-0x00000000002C2000-memory.dmp

          Filesize

          8KB

        • memory/1592-59-0x0000000000400000-0x00000000004A2000-memory.dmp

          Filesize

          648KB

        • memory/1592-60-0x0000000001E50000-0x0000000002EDE000-memory.dmp

          Filesize

          16.6MB