Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2023 21:18

General

  • Target

    7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.exe

  • Size

    11.8MB

  • MD5

    d2ab6631f3c4161a8be7ae71335a48bb

  • SHA1

    22f0515532bc307660adeaeedc3eea54e8929d24

  • SHA256

    7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482

  • SHA512

    fcb95889e27fb2417a7246ccbf15b0b399c34d63acf25d793deff9c7469874a5b0c839bb9db2541822e44a1ac511c412de2140215c0c887cba32ee174cdfd940

  • SSDEEP

    196608:92zbRhlKeLXsJeQcKSLjBREjdRQKms54Bgsy35xzy1fbdpHV8Zmkuv8gBd6bdIqS:eRSeAJeQcdLjI5RCsc835xzylfHmZmkm

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.exe
    "C:\Users\Admin\AppData\Local\Temp\7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Users\Admin\AppData\Local\Temp\is-9QKU5.tmp\7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9QKU5.tmp\7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.tmp" /SL5="$7014E,11648358,718848,C:\Users\Admin\AppData\Local\Temp\7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1876
      • 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:1568

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-9QKU5.tmp\7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.tmp

    Filesize

    2.4MB

    MD5

    afcb0ce52f3275932bbe693168cbec61

    SHA1

    aaaaa41948d3984112f6e488c3be447069dc516d

    SHA256

    09e32653389d6b965db754a9edd5f45e782fdb4f19e25a23209e5aac71598e68

    SHA512

    a10416d6825f8a5db60cccc04cfa3de08f64e309d25078a4ec3c42a626d6b1575666cf965f1cc40a645f332d00bbafff522dcbea1851d09aea444f6ca60d0416

  • C:\Users\Admin\AppData\Local\Temp\is-9QKU5.tmp\7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.tmp

    Filesize

    2.4MB

    MD5

    afcb0ce52f3275932bbe693168cbec61

    SHA1

    aaaaa41948d3984112f6e488c3be447069dc516d

    SHA256

    09e32653389d6b965db754a9edd5f45e782fdb4f19e25a23209e5aac71598e68

    SHA512

    a10416d6825f8a5db60cccc04cfa3de08f64e309d25078a4ec3c42a626d6b1575666cf965f1cc40a645f332d00bbafff522dcbea1851d09aea444f6ca60d0416

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

    Filesize

    16.4MB

    MD5

    99057a7b457ce8be7dd4b1251d8b634e

    SHA1

    7e8e00b277089fc23b7517c8576b61e428921801

    SHA256

    895834ac4ba3e6c9902cacbf245ccc179630edcf731a62b8947791b30827cda6

    SHA512

    9663e9912d4e344b0ca94894931f1b94a63d6728411d4212c7a58ac38a8b1bbee8ece0f7a18bb12ef87d2621145f288c30fbd97be9cfcd64e132207083b61d42

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

    Filesize

    16.4MB

    MD5

    99057a7b457ce8be7dd4b1251d8b634e

    SHA1

    7e8e00b277089fc23b7517c8576b61e428921801

    SHA256

    895834ac4ba3e6c9902cacbf245ccc179630edcf731a62b8947791b30827cda6

    SHA512

    9663e9912d4e344b0ca94894931f1b94a63d6728411d4212c7a58ac38a8b1bbee8ece0f7a18bb12ef87d2621145f288c30fbd97be9cfcd64e132207083b61d42

  • \Users\Admin\AppData\Local\Temp\is-9QKU5.tmp\7d633a27a45128e9fbaaf56a8c16f190aa95b53f3cca7d77e5b7341bf6c9b482.tmp

    Filesize

    2.4MB

    MD5

    afcb0ce52f3275932bbe693168cbec61

    SHA1

    aaaaa41948d3984112f6e488c3be447069dc516d

    SHA256

    09e32653389d6b965db754a9edd5f45e782fdb4f19e25a23209e5aac71598e68

    SHA512

    a10416d6825f8a5db60cccc04cfa3de08f64e309d25078a4ec3c42a626d6b1575666cf965f1cc40a645f332d00bbafff522dcbea1851d09aea444f6ca60d0416

  • memory/1324-63-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1324-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

    Filesize

    8KB

  • memory/1324-55-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1324-69-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1568-70-0x0000000002EC0000-0x0000000002F4B000-memory.dmp

    Filesize

    556KB

  • memory/1876-61-0x0000000074421000-0x0000000074423000-memory.dmp

    Filesize

    8KB