Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 14:18

General

  • Target

    85509df784b1a5434368ab5bf7d4ce033b4d23a5412b4661d9b505999c485d76.exe

  • Size

    65KB

  • MD5

    f575fa8a010223a81114556d004695bc

  • SHA1

    e01653d0b038eef5f010b7298db3ca3625aa7e75

  • SHA256

    85509df784b1a5434368ab5bf7d4ce033b4d23a5412b4661d9b505999c485d76

  • SHA512

    7b4c12cca0438cf7cd51bc059f94fcb68c84dbec1f362f897652adc3b295acd2149019871b2b7238af5e3ff02703bd38e14694e6b108899e58d04beefceac3e7

  • SSDEEP

    1536:fw9yuSX6b32ZsP28zHc3D/o0tuG+9bM7lyjL0i7cLM/fVoFs7fYYPHQIIPt:Es6z3P287c3DAmr2I5y/57fmFL0sPt

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 28 IoCs
  • UPX dump on OEP (original entry point) 29 IoCs
  • UPX packed file 28 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 12 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:1272
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1340
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1372
          • C:\Users\Admin\AppData\Local\Temp\85509df784b1a5434368ab5bf7d4ce033b4d23a5412b4661d9b505999c485d76.exe
            "C:\Users\Admin\AppData\Local\Temp\85509df784b1a5434368ab5bf7d4ce033b4d23a5412b4661d9b505999c485d76.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:2380
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1968

          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/1272-17-0x0000000000410000-0x0000000000412000-memory.dmp
            Filesize

            8KB

          • memory/2380-33-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-82-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-5-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-7-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-4-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-9-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-10-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-8-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-34-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-11-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-25-0x0000000000280000-0x0000000000282000-memory.dmp
            Filesize

            8KB

          • memory/2380-31-0x0000000000280000-0x0000000000282000-memory.dmp
            Filesize

            8KB

          • memory/2380-30-0x0000000001720000-0x0000000001721000-memory.dmp
            Filesize

            4KB

          • memory/2380-29-0x0000000000280000-0x0000000000282000-memory.dmp
            Filesize

            8KB

          • memory/2380-26-0x0000000001720000-0x0000000001721000-memory.dmp
            Filesize

            4KB

          • memory/2380-1-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-32-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2380-6-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-3-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-51-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
            Filesize

            4KB

          • memory/2380-38-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-39-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-40-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-52-0x0000000001730000-0x0000000001732000-memory.dmp
            Filesize

            8KB

          • memory/2380-36-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-53-0x0000000001730000-0x0000000001732000-memory.dmp
            Filesize

            8KB

          • memory/2380-54-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-56-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-58-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-60-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-62-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-66-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-70-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-77-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-79-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-35-0x0000000000560000-0x000000000161A000-memory.dmp
            Filesize

            16.7MB

          • memory/2380-102-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB