Analysis

  • max time kernel
    150s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-06-2022 17:34

General

  • Target

    31df02e41e17a2645f89515a0cb7754f98edff09cc6885bac94bc89c7f790f44.exe

  • Size

    176KB

  • MD5

    d516c7c9015428803266dc3a3ac2fda8

  • SHA1

    c7e0032763cfc888e38d0d73085ef48540f949c3

  • SHA256

    31df02e41e17a2645f89515a0cb7754f98edff09cc6885bac94bc89c7f790f44

  • SHA512

    8112f15bc80ae705a60870b2e80c3d14856e315d6b15cd3ddefc265c39f48c1c152dd3659e55e3ef7970404cdb7624fd189b30d20a3b6db1d37f12efcd4f8183

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/

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

100.113.42.160:1314

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • 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 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\31df02e41e17a2645f89515a0cb7754f98edff09cc6885bac94bc89c7f790f44.exe
        "C:\Users\Admin\AppData\Local\Temp\31df02e41e17a2645f89515a0cb7754f98edff09cc6885bac94bc89c7f790f44.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 WriteProcessMemory
        • System policy modification
        PID:1892
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1120

        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/1892-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
          Filesize

          8KB

        • memory/1892-55-0x0000000000830000-0x00000000018BE000-memory.dmp
          Filesize

          16.6MB

        • memory/1892-56-0x0000000000400000-0x0000000000430000-memory.dmp
          Filesize

          192KB

        • memory/1892-58-0x00000000002B0000-0x00000000002B2000-memory.dmp
          Filesize

          8KB

        • memory/1892-57-0x0000000000830000-0x00000000018BE000-memory.dmp
          Filesize

          16.6MB

        • memory/1892-59-0x00000000040F0000-0x00000000040F2000-memory.dmp
          Filesize

          8KB

        • memory/1892-60-0x0000000000830000-0x00000000018BE000-memory.dmp
          Filesize

          16.6MB

        • memory/1892-61-0x00000000002B0000-0x00000000002B2000-memory.dmp
          Filesize

          8KB

        • memory/1892-62-0x00000000040F0000-0x00000000040F2000-memory.dmp
          Filesize

          8KB