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Analysis

  • max time kernel
    104s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 20:30

General

  • Target

    e4a6e22f7eb4db0da658063838ed31dfa291031d4f72c607c7c2e4c408702c85.exe

  • Size

    490KB

  • MD5

    a20e245f936c3ccaa839cd02b8c93057

  • SHA1

    feda5e95b3419134e27e68b464b542fb135acdc0

  • SHA256

    e4a6e22f7eb4db0da658063838ed31dfa291031d4f72c607c7c2e4c408702c85

  • SHA512

    f4551f0e7fcc6b3be06ed600801e3f6fbfc0720a441fecbaea21014f2f4cabe854d0c9ca7b5a06af87425876882de3220c709f9c295fd1bf0bc0ccf53893faca

  • SSDEEP

    6144:APOxLfPcvgKVotUkrA4pn9X5E9T85rgSk04VId:A0zKJkrA4pn9X5E9T8VgO46

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 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 2 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4a6e22f7eb4db0da658063838ed31dfa291031d4f72c607c7c2e4c408702c85.exe
    "C:\Users\Admin\AppData\Local\Temp\e4a6e22f7eb4db0da658063838ed31dfa291031d4f72c607c7c2e4c408702c85.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Documents and Settings\tazebama.dl_
      "C:\Documents and Settings\tazebama.dl_"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 744
        3⤵
        • Program crash
        PID:1716
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 824 -ip 824
    1⤵
      PID:3592

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Documents and Settings\tazebama.dl_

      Filesize

      151KB

      MD5

      6ec86ba263027b6864d8e756e5003576

      SHA1

      369a1cf7d6578c93cc28fc8a2678e1e9a79a3c83

      SHA256

      53a5f0607dea22e9b4f2e7e2f93bf0bdd2b770a09418d4f73b7979e6a67583f9

      SHA512

      3ed6141c8082efe5fcf79d9ba48a9d62c5ac7b41b7add92148a9ac5115cd30c73ad641a4f0e001228758ed913ada1b2d5ab0f924a25c40335fb8d39ea6ed17bb

    • C:\Users\tazebama.dl_

      Filesize

      151KB

      MD5

      6ec86ba263027b6864d8e756e5003576

      SHA1

      369a1cf7d6578c93cc28fc8a2678e1e9a79a3c83

      SHA256

      53a5f0607dea22e9b4f2e7e2f93bf0bdd2b770a09418d4f73b7979e6a67583f9

      SHA512

      3ed6141c8082efe5fcf79d9ba48a9d62c5ac7b41b7add92148a9ac5115cd30c73ad641a4f0e001228758ed913ada1b2d5ab0f924a25c40335fb8d39ea6ed17bb

    • C:\Users\tazebama.dll

      Filesize

      32KB

      MD5

      b6a03576e595afacb37ada2f1d5a0529

      SHA1

      d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

      SHA256

      1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

      SHA512

      181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

    • memory/824-138-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/824-140-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/5100-132-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/5100-137-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/5100-139-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB