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Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2025, 11:32

General

  • Target

    b886fc9e1015acb5f5a18a7eefbbca7d8569e74f7deac5735caeeafd90326a2f.exe

  • Size

    2.2MB

  • MD5

    746706c29930047b9b74ff25ee291dbb

  • SHA1

    818249805c6fa6790c84713313c6c271f329f7bb

  • SHA256

    b886fc9e1015acb5f5a18a7eefbbca7d8569e74f7deac5735caeeafd90326a2f

  • SHA512

    f6c197e1325969b5ec7ba78a84cf5c0b43f3e3ffdb50c466a8f69fbbe8f16447ce8f71eb9210c5d9f6b216d01f42460e173d579817759accd0912f5bd2911339

  • SSDEEP

    24576:0UzNkyrbtjbGixCOPKH2I1iIWILtfOIJ+HKodCHPC0cF3u7P1+eWQ8f/x52vHNZF:0UzeyQMS4DqodCnoe+iitjWwwR

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b886fc9e1015acb5f5a18a7eefbbca7d8569e74f7deac5735caeeafd90326a2f.exe
    "C:\Users\Admin\AppData\Local\Temp\b886fc9e1015acb5f5a18a7eefbbca7d8569e74f7deac5735caeeafd90326a2f.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1324
      • C:\Users\Admin\AppData\Local\Temp\b886fc9e1015acb5f5a18a7eefbbca7d8569e74f7deac5735caeeafd90326a2f.exe
        "C:\Users\Admin\AppData\Local\Temp\b886fc9e1015acb5f5a18a7eefbbca7d8569e74f7deac5735caeeafd90326a2f.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3152
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1876

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\Parameters.ini

        Filesize

        74B

        MD5

        6687785d6a31cdf9a5f80acb3abc459b

        SHA1

        1ddda26cc18189770eaaa4a9e78cc4abe4fe39c9

        SHA256

        3b5ebe1c6d4d33c14e5f2ca735fc085759f47895ea90192999a22a035c7edc9b

        SHA512

        5fe9429d64ee6fe0d3698cabb39757729b48d525500afa5f073d69f14f791c8aa2bc7ce0467d48d66fc58d894983391022c59035fa67703fefd309ec4a5d9962

      • memory/3152-24-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/3152-25-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/3152-31-0x0000000000440000-0x0000000000509000-memory.dmp

        Filesize

        804KB

      • memory/3152-33-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/4744-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

        Filesize

        4KB

      • memory/4744-22-0x00000000007C0000-0x00000000007C1000-memory.dmp

        Filesize

        4KB

      • memory/4744-21-0x0000000000400000-0x00000000005D3000-memory.dmp

        Filesize

        1.8MB

      • memory/4744-28-0x0000000000400000-0x00000000005D3000-memory.dmp

        Filesize

        1.8MB