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Analysis

  • max time kernel
    116s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/12/2022, 20:20

General

  • Target

    6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe

  • Size

    11.8MB

  • MD5

    63146b04a2e1b9a97353f2e18976eb1b

  • SHA1

    e7d6035bf77b3113c02d9ff0de5b132a1fa74327

  • SHA256

    6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b

  • SHA512

    13b1b60ddf1596f2b8a4221c852827a1afa1690d7cdf09b4cc7d248102b0b60d45ab08a0a80ca8969afff843267a64af7db6592bc04b6828f2185cbee03014ae

  • SSDEEP

    196608:94zbRhlKeLXsJeQcKSLjBREjdRQKms54Bgsy35xzy1fbdpHV8Zmkuv8gBd6bdIqW:MRSeAJeQcdLjI5RCsc835xzylfHmZmkq

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe
    "C:\Users\Admin\AppData\Local\Temp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Users\Admin\AppData\Local\Temp\is-I19AD.tmp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-I19AD.tmp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp" /SL5="$50060,11648362,718848,C:\Users\Admin\AppData\Local\Temp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Program Files (x86)\我的程序\授权-20221118.exe
        "C:\Program Files (x86)\我的程序\授权-20221118.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:392

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\我的程序\授权-20221118.exe

    Filesize

    16.4MB

    MD5

    99057a7b457ce8be7dd4b1251d8b634e

    SHA1

    7e8e00b277089fc23b7517c8576b61e428921801

    SHA256

    895834ac4ba3e6c9902cacbf245ccc179630edcf731a62b8947791b30827cda6

    SHA512

    9663e9912d4e344b0ca94894931f1b94a63d6728411d4212c7a58ac38a8b1bbee8ece0f7a18bb12ef87d2621145f288c30fbd97be9cfcd64e132207083b61d42

  • C:\Users\Admin\AppData\Local\Temp\is-I19AD.tmp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp

    Filesize

    2.4MB

    MD5

    afcb0ce52f3275932bbe693168cbec61

    SHA1

    aaaaa41948d3984112f6e488c3be447069dc516d

    SHA256

    09e32653389d6b965db754a9edd5f45e782fdb4f19e25a23209e5aac71598e68

    SHA512

    a10416d6825f8a5db60cccc04cfa3de08f64e309d25078a4ec3c42a626d6b1575666cf965f1cc40a645f332d00bbafff522dcbea1851d09aea444f6ca60d0416

  • C:\Users\Admin\AppData\Local\Temp\is-I19AD.tmp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp

    Filesize

    2.4MB

    MD5

    afcb0ce52f3275932bbe693168cbec61

    SHA1

    aaaaa41948d3984112f6e488c3be447069dc516d

    SHA256

    09e32653389d6b965db754a9edd5f45e782fdb4f19e25a23209e5aac71598e68

    SHA512

    a10416d6825f8a5db60cccc04cfa3de08f64e309d25078a4ec3c42a626d6b1575666cf965f1cc40a645f332d00bbafff522dcbea1851d09aea444f6ca60d0416

  • memory/392-140-0x0000000003460000-0x00000000034EB000-memory.dmp

    Filesize

    556KB

  • memory/4352-132-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/4352-137-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/4352-141-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB