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
    18-05-2024 22:09

General

  • Target

    654773e84f6a005b472d13ef47c2188770852dd134b12a48e3aa091633beb8ee.exe

  • Size

    65KB

  • MD5

    8792fad9c42f45d7716ff75b8326c91a

  • SHA1

    aaaeaf27ab6ef4bd262309ff0ce2abd7522fa1b7

  • SHA256

    654773e84f6a005b472d13ef47c2188770852dd134b12a48e3aa091633beb8ee

  • SHA512

    0fbcd30f0b96c612311a70ba300271294f7a388560948397ec6e94ce81e9df93cfbb007a486115be23981a2d3c2ee356f5b78bfbe202a396e8818f2444f1143c

  • SSDEEP

    1536:niXV8rbZyt7WOxrejEV3/DtFzQ8tn8kod88rkrn:niXOXo3JJt1nxv

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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\654773e84f6a005b472d13ef47c2188770852dd134b12a48e3aa091633beb8ee.exe
            "C:\Users\Admin\AppData\Local\Temp\654773e84f6a005b472d13ef47c2188770852dd134b12a48e3aa091633beb8ee.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:1740
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1620

          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/1112-18-0x00000000020F0000-0x00000000020F2000-memory.dmp
            Filesize

            8KB

          • memory/1740-35-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-67-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-10-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-9-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-12-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-30-0x00000000002F0000-0x00000000002F2000-memory.dmp
            Filesize

            8KB

          • memory/1740-31-0x00000000002F0000-0x00000000002F2000-memory.dmp
            Filesize

            8KB

          • memory/1740-8-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-29-0x0000000000560000-0x0000000000561000-memory.dmp
            Filesize

            4KB

          • memory/1740-26-0x0000000000560000-0x0000000000561000-memory.dmp
            Filesize

            4KB

          • memory/1740-25-0x00000000002F0000-0x00000000002F2000-memory.dmp
            Filesize

            8KB

          • memory/1740-4-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-6-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-36-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-3-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-11-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-33-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-32-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-97-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-7-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-5-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-38-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-39-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-41-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-42-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-43-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-46-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-52-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-54-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-56-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-60-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-61-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-64-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/1740-68-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-75-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-76-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-34-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1740-96-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB