Overview

overview

10

Static

static

8ca9dda0bd...ae.exe

windows7_x64

10

8ca9dda0bd...ae.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    37s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-06-2022 22:38

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General

  • Target

    8ca9dda0bd960d3290f22f9ac11295b9419be6cf78c1696ae1c26501c51d0fae.exe

  • Size

    23.6MB

  • MD5

    c5cde21f7fae6474ebe91df03a6b5795

  • SHA1

    55f4ecbb20b28cdd2f6a5218eddd34a2425e572b

  • SHA256

    8ca9dda0bd960d3290f22f9ac11295b9419be6cf78c1696ae1c26501c51d0fae

  • SHA512

    3adc57573e6aec697afc0172b150ed708e6254a7e821d55271486dc17577083b91777b3ec233655c6618e9dec043faffb01482b5ba8b7fbb88e465a563a6679b

Score
10/10
salitybackdoorevasiontrojanupx

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
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • UPX packed file 4 IoCs

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

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1256
        • C:\Users\Admin\AppData\Local\Temp\8ca9dda0bd960d3290f22f9ac11295b9419be6cf78c1696ae1c26501c51d0fae.exe
          "C:\Users\Admin\AppData\Local\Temp\8ca9dda0bd960d3290f22f9ac11295b9419be6cf78c1696ae1c26501c51d0fae.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1724
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1212

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Execution

        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

        Credential Access

        Discovery

        System Information Discovery

        2
        T1082

        Query Registry

        1
        T1012

        Peripheral Device Discovery

        1
        T1120

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1724-54-0x0000000075381000-0x0000000075383000-memory.dmp
          Filesize

          8KB

          Download
        • memory/1724-55-0x0000000001E40000-0x0000000002EFA000-memory.dmp
          Filesize

          16.7MB

          Download
        • memory/1724-56-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

          Download
        • memory/1724-57-0x0000000001E40000-0x0000000002EFA000-memory.dmp
          Filesize

          16.7MB

          Download
        • memory/1724-58-0x0000000000500000-0x000000000050C000-memory.dmp
          Filesize

          48KB

          Download
        • memory/1724-59-0x000000000A690000-0x000000000A692000-memory.dmp
          Filesize

          8KB

          Download
        • memory/1724-60-0x0000000001E40000-0x0000000002EFA000-memory.dmp
          Filesize

          16.7MB

          Download
        • memory/1724-61-0x0000000000500000-0x000000000050C000-memory.dmp
          Filesize

          48KB

          Download
        • memory/1724-62-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

          Download
        • memory/1724-63-0x0000000001E40000-0x0000000002EFA000-memory.dmp
          Filesize

          16.7MB

          Download