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Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 20:53

General

  • Target

    1c3f983cae9383ce43176eb050ba588c.dll

  • Size

    194KB

  • MD5

    1c3f983cae9383ce43176eb050ba588c

  • SHA1

    4beea54759f7bac618496921e85644aaf3c30fd5

  • SHA256

    5c22ccbac370338b99748960a57fb58a0325911f2ccd52649b46693c614fe5d7

  • SHA512

    2c4111e0c733acc72aaa277640ade762c1225ef933aca0f67a1768e4190f91cbaad64c578dc13f1811dd18f5afd30b563d9342a12f18d23b76cef0116e2ce6e2

  • SSDEEP

    3072:bbhMAVF6/YjD7BOqV0u37mYsl9SPnjdTKYYOIhB+8Oj2VS+fDAPdfe1l1AVE:6AVNDV9V7q7eR0f/k+bam/1

Score
7/10

Malware Config

Signatures

  • UPX packed file 1 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 registry class 11 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c3f983cae9383ce43176eb050ba588c.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\1c3f983cae9383ce43176eb050ba588c.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:2000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2000-0-0x00000000004B0000-0x0000000000534000-memory.dmp

    Filesize

    528KB