Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 00:21

General

  • Target

    89b58134918aea00a5216b8b9a7b455dea8c3ce7e6cac4752da0267569f2d849.exe

  • Size

    65KB

  • MD5

    0602898d28d5c4348b558c5a0700ec41

  • SHA1

    02ce3695ef4ef2793129cdf2012d28b82e08755c

  • SHA256

    89b58134918aea00a5216b8b9a7b455dea8c3ce7e6cac4752da0267569f2d849

  • SHA512

    0f27501896da5121ee63edc8fd6927de24fa66b12296f211e5d8da5a9b73e1c6a424c11247add84fe6e952f148bf547dbc16639569c2b89f77755ee7e9de7341

  • SSDEEP

    1536:ka8Fof6XWVOhC2nVJRoILdhAWsX/3UjEGV66HSRUUaQjS4:co5+C2VJDLdhAWA/wEeKUUzS4

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 31 IoCs
  • UPX dump on OEP (original entry point) 32 IoCs
  • UPX packed file 31 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:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Users\Admin\AppData\Local\Temp\89b58134918aea00a5216b8b9a7b455dea8c3ce7e6cac4752da0267569f2d849.exe
            "C:\Users\Admin\AppData\Local\Temp\89b58134918aea00a5216b8b9a7b455dea8c3ce7e6cac4752da0267569f2d849.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:2208
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2140

          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/1088-18-0x00000000001A0000-0x00000000001A2000-memory.dmp
            Filesize

            8KB

          • memory/2208-33-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-74-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-6-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-9-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-10-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-29-0x00000000005A0000-0x00000000005A1000-memory.dmp
            Filesize

            4KB

          • memory/2208-25-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2208-12-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-34-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-30-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2208-11-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-27-0x00000000005A0000-0x00000000005A1000-memory.dmp
            Filesize

            4KB

          • memory/2208-5-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-8-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-7-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-3-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-32-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2208-31-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2208-4-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-44-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-38-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-39-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-41-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-40-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-35-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-45-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-52-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-55-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-59-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-62-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-63-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-65-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-67-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-70-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-71-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-36-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2208-92-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB