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Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 01:27

General

  • Target

    eda5ad07f1ac431aa217f1c36fcb1b0b941ca6de17824bbe08245c323a4dca2a.exe

  • Size

    100KB

  • MD5

    02bd3e9e6ee0f5e5220cceba90e39480

  • SHA1

    06522149acf317ed5a30b46d976c77c6c93ad236

  • SHA256

    eda5ad07f1ac431aa217f1c36fcb1b0b941ca6de17824bbe08245c323a4dca2a

  • SHA512

    5739538e5a28dfef64c77648fe5b84f3ac7fa3b6ac2dada81fa742928ae2ca97023473798d918b03e8d498fafd089ab70f3951b5ae15318d754002d6199e740c

  • SSDEEP

    1536:WhJkddYj2Mojn/SSSyCAcyYi8y6igsJpVDnfVo0UTpslWClKYcDgrydvI:WhJkddxMiSSSy4yYhctfVoBTalFceSvI

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 3 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 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1396
      • C:\Users\Admin\AppData\Local\Temp\eda5ad07f1ac431aa217f1c36fcb1b0b941ca6de17824bbe08245c323a4dca2a.exe
        "C:\Users\Admin\AppData\Local\Temp\eda5ad07f1ac431aa217f1c36fcb1b0b941ca6de17824bbe08245c323a4dca2a.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:1000
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1332
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1240

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1000-54-0x0000000076561000-0x0000000076563000-memory.dmp

          Filesize

          8KB

        • memory/1000-55-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1000-56-0x0000000074AA1000-0x0000000074AA3000-memory.dmp

          Filesize

          8KB

        • memory/1000-57-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/1000-58-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1000-59-0x00000000003F0000-0x00000000003F2000-memory.dmp

          Filesize

          8KB

        • memory/1000-60-0x0000000002F50000-0x0000000002F52000-memory.dmp

          Filesize

          8KB

        • memory/1000-61-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1000-62-0x00000000003F0000-0x00000000003F2000-memory.dmp

          Filesize

          8KB

        • memory/1000-63-0x0000000002F50000-0x0000000002F52000-memory.dmp

          Filesize

          8KB