Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 11:03

General

  • Target

    "aminstall.dll

  • Size

    76KB

  • MD5

    b91f126675ef39f4ee46f877e230d255

  • SHA1

    2411fed6cbaf6cd80fbd374fa0af18a1280ec9b8

  • SHA256

    803606254069701d1e5e05cc7a5e98292145c42549d224e323be17b24d80c441

  • SHA512

    05e352cbb2f770a3a17021b9beb08877d14ab333c928b8bf0f393c5bd6a738fac4453e7661e5ad3340e886f3461a2050191a0284b1de8f761b2d6974703bb58c

  • SSDEEP

    768:MNV5rhiqaZ1V7V5yytiCLqmfTKeqvi8NT7jypjGZ1wZgH1Y10BlnkE52zGnApuxo:Mf5hgVXyy1luTXyVMwW1NkEQGnAp1cO

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\_aminstall.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\_aminstall.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 616
        3⤵
        • Program crash
        PID:3008
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3232 -ip 3232
    1⤵
      PID:468

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads