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Analysis

  • max time kernel
    155s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 02:28

General

  • Target

    b5tnf9h4zy.dll

  • Size

    1.0MB

  • MD5

    2a080cf8e2641c8b0e93813a15c3e8b4

  • SHA1

    e53bb39f38831e0a441dcc8cfc6f7987db583c3e

  • SHA256

    92aedf0828d08c5c2991e29a17b4c11f4e61473caabd55e6e8af52c719a00441

  • SHA512

    5df1a311bf1ff7152238951025162fb230051d6fc2e334611dea379445c2cac6024ae44750a370a7561d1c973390ebdb897471b6ed8e998f5a1954a6663ea505

  • SSDEEP

    12288:TdJpqfY1+UhD0PO/QoyT41Eg1ajNPeMAdbaOW1PQTBv/IPKk/EQ93oK+jYANZ+kZ:XI1P6WQhIeM

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5tnf9h4zy.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5tnf9h4zy.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2068

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2068-0-0x0000000000C70000-0x0000000000C80000-memory.dmp

    Filesize

    64KB

  • memory/2068-2-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2068-1-0x0000000004AD0000-0x0000000004BE8000-memory.dmp

    Filesize

    1.1MB

  • memory/2068-3-0x0000000075260000-0x0000000075378000-memory.dmp

    Filesize

    1.1MB

  • memory/2068-4-0x0000000002650000-0x000000000265A000-memory.dmp

    Filesize

    40KB

  • memory/2068-5-0x0000000000C70000-0x0000000000C80000-memory.dmp

    Filesize

    64KB

  • memory/2068-6-0x0000000009520000-0x0000000009AC4000-memory.dmp

    Filesize

    5.6MB

  • memory/2068-8-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2068-7-0x0000000004C90000-0x0000000004D22000-memory.dmp

    Filesize

    584KB

  • memory/2068-9-0x00000000053A0000-0x00000000053AA000-memory.dmp

    Filesize

    40KB