Analysis

  • max time kernel
    139s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 07:06

General

  • Target

    $R0.dll

  • Size

    120KB

  • MD5

    1e337e4316c2c973180e635218897f78

  • SHA1

    e73cbb449c451a8dbdbabc9e42d84659e5b9158e

  • SHA256

    269d150bcb4e6b94c5c07174ae73ed642c922fb73f43974f4fc1158e7815e4e0

  • SHA512

    c2109c0a0b3f57371d8f5e3dbf0c32854247bf8709291e4f53549d7fa515dc56a6cc5df75e52213d2e5af45daaf4179075a26c93d4e1f536a1596bce7e8a3fdb

  • SSDEEP

    3072:vJ+wnavKxgyTeO+dNLeMyQAyEekJVGCJWZsS:vJ/nYKxEvTP6ekDYZR

Score
7/10

Malware Config

Signatures

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$R0.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\$R0.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:1340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1340-5-0x0000000002B50000-0x0000000002B90000-memory.dmp

    Filesize

    256KB

  • memory/1340-1-0x0000000002B50000-0x0000000002B90000-memory.dmp

    Filesize

    256KB

  • memory/1340-0-0x0000000002B50000-0x0000000002B90000-memory.dmp

    Filesize

    256KB

  • memory/1340-4-0x0000000002B50000-0x0000000002B90000-memory.dmp

    Filesize

    256KB