Analysis

  • max time kernel
    61s
  • max time network
    68s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-03-2021 17:09

General

  • Target

    ISLeRPs.dll

  • Size

    744KB

  • MD5

    34379df22c95ed0f82ccb5f91f8a7069

  • SHA1

    5bf00c67f45de592866b2fc91963dc83057390f4

  • SHA256

    77184f1532fef0b593262fdd95ff1f2d2637fe08be003304d4e44f358c67b2d1

  • SHA512

    bd446f119df944c9c7ea0603e3b05f893d030b337163cd527c00c0f601ea24ceabdc77f26103e9002daac0597d6e390b8ebf3296bc904f469d243f235c4cd35e

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 9 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ISLeRPs.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\ISLeRPs.dll
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of AdjustPrivilegeToken
        PID:2368

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1812-2-0x0000000000000000-mapping.dmp

  • memory/1812-3-0x0000000073D30000-0x0000000073D59000-memory.dmp

    Filesize

    164KB

  • memory/1812-4-0x0000000004520000-0x0000000004521000-memory.dmp

    Filesize

    4KB

  • memory/2368-5-0x0000000000000000-mapping.dmp

  • memory/2368-6-0x0000000002EF0000-0x0000000002F19000-memory.dmp

    Filesize

    164KB