Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 21:35

General

  • Target

    47d8e3b5fe7221b111b35107566586c69314761ef2fff8167e163971ad6c3071.exe

  • Size

    65KB

  • MD5

    ad2ea6ec442d839e96f1f891de67f831

  • SHA1

    fd0d93c1addf319cd57412dcd43c8da963f56e44

  • SHA256

    47d8e3b5fe7221b111b35107566586c69314761ef2fff8167e163971ad6c3071

  • SHA512

    693d64946eef9813a385f30de644c7899f3cd5493e4d417bd9709c77e6de95925b6037e3f21baa8728a14877e9c63f4002e742eb4ede5428d87b5eb31c33e4cf

  • SSDEEP

    1536:+p5MzLNWLnU3vkaPs3KUfy6WzBtjUxTspUmT4puDQMwjBpDa:+A1F3sEYnfxWPkTSUc4puDIjBpm

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 32 IoCs
  • UPX dump on OEP (original entry point) 33 IoCs
  • UPX packed file 32 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 15 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • 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\47d8e3b5fe7221b111b35107566586c69314761ef2fff8167e163971ad6c3071.exe
            "C:\Users\Admin\AppData\Local\Temp\47d8e3b5fe7221b111b35107566586c69314761ef2fff8167e163971ad6c3071.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:2420
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1736

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          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

          2
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1108-18-0x00000000020B0000-0x00000000020B2000-memory.dmp
            Filesize

            8KB

          • memory/2420-34-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-64-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-5-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-9-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-8-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-10-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-30-0x0000000000280000-0x0000000000282000-memory.dmp
            Filesize

            8KB

          • memory/2420-29-0x0000000000280000-0x0000000000282000-memory.dmp
            Filesize

            8KB

          • memory/2420-28-0x00000000017F0000-0x00000000017F1000-memory.dmp
            Filesize

            4KB

          • memory/2420-25-0x00000000017F0000-0x00000000017F1000-memory.dmp
            Filesize

            4KB

          • memory/2420-24-0x0000000000280000-0x0000000000282000-memory.dmp
            Filesize

            8KB

          • memory/2420-3-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-7-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-35-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-4-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-11-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-31-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-32-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-71-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-12-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-6-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-37-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-38-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-40-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-41-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-43-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-49-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-50-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-51-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-53-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-55-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-58-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-62-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2420-66-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-68-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-69-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-33-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2420-90-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB