Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 03:27

General

  • Target

    $PLUGINSDIR/zlib.dll

  • Size

    80KB

  • MD5

    3b8a2cc48ab2ecdf28ed79905c632400

  • SHA1

    b5e887e57bd39ebe4d2636a150e7c71492f7523f

  • SHA256

    aa9c2854b3d673f1a91c0decb6e6fc58ac37ec1936579092c0b4e5b24d73b9f8

  • SHA512

    0d5bc429c16ea2c75b127f2e636a8db7181abd562ee32359be942878bfcef687ce7680c2a40d1956b87eec74dae4174560ccb1cae2fedd3f014778a4ccda4bf6

  • SSDEEP

    1536:ZeeUG1F4w9ZZxYgEqRmU0dZnToIfoIOsIOp2ZMNAlJ:VTWiZZxEU2xTBfuip2ZMqlJ

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zlib.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zlib.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 220
        3⤵
        • Program crash
        PID:1688

Network

        MITRE ATT&CK Enterprise v15

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        Downloads