Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 02:38

General

  • Target

    f6d3ce7d39ebcc7f307b7c6a258830bdb5bdb5dea0279245fcf83fcb0d7f50fc.exe

  • Size

    3.0MB

  • MD5

    7da73c5423f8ba8f540f3613656651e1

  • SHA1

    b7b5c8f406c5da6f9542e6f0af7ca6de7ecd0d4c

  • SHA256

    f6d3ce7d39ebcc7f307b7c6a258830bdb5bdb5dea0279245fcf83fcb0d7f50fc

  • SHA512

    620994b3797fc0b9c5c8cdc771714846cb6a949adcf4007d44085fb67d3274983960b82ecf0556a34a8317ebacef784114ef47fc57e1649b43f7d43f4d66f5bb

  • SSDEEP

    49152:20/3Wm9HFwLWo9XiMNZTbOMT5mFbO8H8zE8DTGZf7rNlgpy:2M1lGWGyMzOMtUOY8w5F7rDwy

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • UPX packed file 30 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 20 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1076
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1136
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Users\Admin\AppData\Local\Temp\f6d3ce7d39ebcc7f307b7c6a258830bdb5bdb5dea0279245fcf83fcb0d7f50fc.exe
            "C:\Users\Admin\AppData\Local\Temp\f6d3ce7d39ebcc7f307b7c6a258830bdb5bdb5dea0279245fcf83fcb0d7f50fc.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1964
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1568

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Initial Access

          Replication Through Removable Media

          1
          T1091

          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

          Query Registry

          2
          T1012

          System Information Discovery

          2
          T1082

          Peripheral Device Discovery

          1
          T1120

          Lateral Movement

          Replication Through Removable Media

          1
          T1091

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\fbrl.exe
            Filesize

            100KB

            MD5

            de3868bfb0f286d911e727529aaff9dd

            SHA1

            c3a4538e0144010a619cd1896a173bf14ab4df51

            SHA256

            1ba51df8825435cb6db33b18da5bf37c5191c2db15f78e79391329920c54d823

            SHA512

            7d8c5d9a1a38705ec957b48939e51e5539d44a2542aeef7281d35ab0175921f260975805a7d6c5c70496240238ae0b9d68def5f363f390fd3c3d37b7d17e86e0

          • memory/1076-13-0x00000000002D0000-0x00000000002D2000-memory.dmp
            Filesize

            8KB

          • memory/1964-30-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-60-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-10-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-6-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-12-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-26-0x0000000004D90000-0x0000000004D92000-memory.dmp
            Filesize

            8KB

          • memory/1964-25-0x0000000004D90000-0x0000000004D92000-memory.dmp
            Filesize

            8KB

          • memory/1964-5-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-24-0x0000000004E30000-0x0000000004E31000-memory.dmp
            Filesize

            4KB

          • memory/1964-21-0x0000000004E30000-0x0000000004E31000-memory.dmp
            Filesize

            4KB

          • memory/1964-20-0x0000000004D90000-0x0000000004D92000-memory.dmp
            Filesize

            8KB

          • memory/1964-9-0x00000000038C0000-0x0000000003900000-memory.dmp
            Filesize

            256KB

          • memory/1964-11-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-33-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-4-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-28-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-27-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-29-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-83-0x0000000004D90000-0x0000000004D92000-memory.dmp
            Filesize

            8KB

          • memory/1964-7-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-8-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-34-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-36-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-37-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-39-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-41-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-46-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-48-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-52-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-53-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-55-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-56-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-59-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-31-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-63-0x00000000038C0000-0x0000000003900000-memory.dmp
            Filesize

            256KB

          • memory/1964-64-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-65-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB

          • memory/1964-0-0x0000000000400000-0x000000000071F000-memory.dmp
            Filesize

            3.1MB

          • memory/1964-2-0x0000000002280000-0x000000000330E000-memory.dmp
            Filesize

            16.6MB