Analysis

  • max time kernel
    149s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 05:18

General

  • Target

    6ece9150a04ceadfd5763a291caaf03bf72c3b1db6533e89564b4eeda2985865.exe

  • Size

    2.2MB

  • MD5

    e50250be21bdd844db71d64202866fcc

  • SHA1

    ac23cb4c1da7211581e2015a0f998ee7d9d19ec0

  • SHA256

    6ece9150a04ceadfd5763a291caaf03bf72c3b1db6533e89564b4eeda2985865

  • SHA512

    061b67ef7788a6fe81f419fa7e0397f6db4c04bb96631d9c3d2207f706297bc1d98b2587847b88fa981cca244e8c392ae8003348b4a9b88109f21c3c48362fd3

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 22 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
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1316
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1372
        • C:\Users\Admin\AppData\Local\Temp\6ece9150a04ceadfd5763a291caaf03bf72c3b1db6533e89564b4eeda2985865.exe
          "C:\Users\Admin\AppData\Local\Temp\6ece9150a04ceadfd5763a291caaf03bf72c3b1db6533e89564b4eeda2985865.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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1664
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1228

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Replication Through Removable Media

        1
        T1091

        Persistence

        Modify Existing Service

        1
        T1031

        Privilege Escalation

        Bypass User Account Control

        1
        T1088

        Defense Evasion

        Modify Registry

        5
        T1112

        Bypass User Account Control

        1
        T1088

        Disabling Security Tools

        3
        T1089

        Discovery

        System Information Discovery

        2
        T1082

        Query Registry

        1
        T1012

        Peripheral Device Discovery

        1
        T1120

        Lateral Movement

        Replication Through Removable Media

        1
        T1091

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1664-54-0x0000000076011000-0x0000000076013000-memory.dmp
          Filesize

          8KB

        • memory/1664-55-0x00000000022F0000-0x000000000337E000-memory.dmp
          Filesize

          16.6MB

        • memory/1664-56-0x0000000000400000-0x0000000000640000-memory.dmp
          Filesize

          2.2MB

        • memory/1664-57-0x00000000022F0000-0x000000000337E000-memory.dmp
          Filesize

          16.6MB

        • memory/1664-58-0x0000000000280000-0x0000000000282000-memory.dmp
          Filesize

          8KB

        • memory/1664-59-0x00000000022A0000-0x00000000022A2000-memory.dmp
          Filesize

          8KB

        • memory/1664-60-0x00000000022F0000-0x000000000337E000-memory.dmp
          Filesize

          16.6MB

        • memory/1664-61-0x0000000000280000-0x0000000000282000-memory.dmp
          Filesize

          8KB

        • memory/1664-62-0x00000000022A0000-0x00000000022A2000-memory.dmp
          Filesize

          8KB

        • memory/1664-63-0x0000000000400000-0x0000000000640000-memory.dmp
          Filesize

          2.2MB