Analysis

  • max time kernel
    123s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-04-2024 16:19

General

  • Target

    573c2d37bf6c6240a1e2f4e1af0185287cf60780b4f1b90a70ecc2896cb1a95c.exe

  • Size

    97KB

  • MD5

    629c34d7800642b1a9cc1167cd8bcc57

  • SHA1

    e42638f9c7be2033fd1ae835c9afb725041044f0

  • SHA256

    573c2d37bf6c6240a1e2f4e1af0185287cf60780b4f1b90a70ecc2896cb1a95c

  • SHA512

    d529e7a664d00bffcae35c524c59aca3a1b00152e03655b37e361f501b8e7086372bd0ab32caea69fcd60dd02f520d27e988671116872db4c6fccd5311bdb4f2

  • SSDEEP

    3072:MZ6UIwSBjgf+09lqZBxYsEoSDyu0d8dluHg3Fki:MZcMnOvxY2d8dkA2i

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

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 40 IoCs
  • UPX dump on OEP (original entry point) 40 IoCs
  • UPX packed file 40 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 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\573c2d37bf6c6240a1e2f4e1af0185287cf60780b4f1b90a70ecc2896cb1a95c.exe
            "C:\Users\Admin\AppData\Local\Temp\573c2d37bf6c6240a1e2f4e1af0185287cf60780b4f1b90a70ecc2896cb1a95c.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:2244

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Initial Access

        Replication Through Removable Media

        1
        T1091

        Persistence

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Privilege Escalation

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Defense Evasion

        Modify Registry

        5
        T1112

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Impair Defenses

        3
        T1562

        Disable or Modify Tools

        3
        T1562.001

        Discovery

        System Information Discovery

        3
        T1082

        Query Registry

        1
        T1012

        Peripheral Device Discovery

        1
        T1120

        Lateral Movement

        Replication Through Removable Media

        1
        T1091

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\oflpgl.exe
          Filesize

          97KB

          MD5

          65970a2b5af0cbbffc002c7d8610df57

          SHA1

          9b82d54603d187700d17efbc66b0202a7d3a98d6

          SHA256

          d1962287343f82f7cbaf14df8fb4a648d8bb0c5c4c6a6ab8fa84274a7dd1971a

          SHA512

          f7d334ee9e52237d731d658673b540500a12b65874622c8abd85eaebad4502f764d5c0318fb3fc7efb217ea88b36b73d7e732004359726fead5e53cbf15cbc44

        • memory/1112-7-0x0000000001D80000-0x0000000001D82000-memory.dmp
          Filesize

          8KB

        • memory/2244-35-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-8-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-6-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-37-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-4-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-11-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-12-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-14-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-19-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-20-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-0-0x0000000000400000-0x0000000000412000-memory.dmp
          Filesize

          72KB

        • memory/2244-22-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-40-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-24-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-25-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-27-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-28-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-29-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-31-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-33-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-21-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-5-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-23-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-41-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-44-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-45-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-47-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-49-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-51-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-58-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-59-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-60-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-62-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-64-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-66-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-68-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-70-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-72-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-74-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-76-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-2-0x0000000000620000-0x00000000016DA000-memory.dmp
          Filesize

          16.7MB

        • memory/2244-102-0x00000000036B0000-0x00000000036B1000-memory.dmp
          Filesize

          4KB

        • memory/2244-99-0x0000000002F40000-0x0000000002F42000-memory.dmp
          Filesize

          8KB

        • memory/2244-111-0x0000000002F40000-0x0000000002F42000-memory.dmp
          Filesize

          8KB