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Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2024, 20:57

General

  • Target

    1c8ff4ce3584d794a6c923d59e861280N.exe

  • Size

    157KB

  • MD5

    1c8ff4ce3584d794a6c923d59e861280

  • SHA1

    46e25f81c970727bed1d2839377e19b0b209f3e3

  • SHA256

    f1318cf937f2c001133d5eb6a5991ebcab68fa09faafda2ca10dafe9f7ad748b

  • SHA512

    6a3be06d1000765f81581b6ecc10f88e4426bc420dfc463da54ad65f6604d210969394af31bf2662e2fee6fb40b876e411727fa708dc0189c0f3f14feee803d7

  • SSDEEP

    3072:VckNHUjeZI2bKL0C+0up+4MbVAoy7KeLQeD7AJ60D:DNSeW2bKL0CRtq+eLQGoD

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c8ff4ce3584d794a6c923d59e861280N.exe
    "C:\Users\Admin\AppData\Local\Temp\1c8ff4ce3584d794a6c923d59e861280N.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:3520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 776
      2⤵
      • Program crash
      PID:1824
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3520 -ip 3520
    1⤵
      PID:428
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3632

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\autorun.inf

        Filesize

        126B

        MD5

        163e20cbccefcdd42f46e43a94173c46

        SHA1

        4c7b5048e8608e2a75799e00ecf1bbb4773279ae

        SHA256

        7780bee9df142a17e0457f3dcb2788b50fc2792370089335597d33719126fb7e

        SHA512

        e5ac0ff6b087857799ab70f68067c9dc73eeb93ccfcad87047052380b95ade3e6eb2a7d01a0f850d548a39f4b1ebb60e299d603dbe25c31b9a3585b34a0c65a8

      • C:\zPharaoh.exe

        Filesize

        157KB

        MD5

        5fb704a7cdf45451a03370a53a70141e

        SHA1

        d80ddb111c5c7e79c272cba034eff52bdaecfcd6

        SHA256

        3b92a6a898ef93c6e141bf3d9a4a41aea4b1b1fdbda9ecc736db2344f82521e1

        SHA512

        2f29e804f20e89b407cbcc7dcb6f2d1ce545735a64393f8163222de5956281c4f0a122869ddd1635015fef38d574a3e4f0683b92b30e0aca0d96e3c7ff8e2ed8

      • F:\RCX733C.tmp

        Filesize

        77KB

        MD5

        17e9378a42a77d119f37b8ac5fd21c54

        SHA1

        05e6c26e1080742bb07d950f8ee75988eb32666b

        SHA256

        05cf251dff94f6850dfa842db4e53bc7092b98ad024efaa19351dc6f75704bf5

        SHA512

        93c805a0b946cf45ed7ee7e2b85a2941e405e000faf45056139a217b4f235993b6c6d8468d82a7c6698bf03f61482b9c980d46366df6e4a34805d03a222fed2f

      • memory/3520-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3520-28-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB