Analysis

  • max time kernel
    97s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 12:55

General

  • Target

    55507a82fa1faaa86d8eec3a77675420N.dll

  • Size

    30KB

  • MD5

    55507a82fa1faaa86d8eec3a77675420

  • SHA1

    67132291d743d80502f9825004491bf752d055a5

  • SHA256

    2f50bd3ec868c820a213cfdd9d9d8c751f824de44623bc7740d7421cde402304

  • SHA512

    15402d47ba8b2801444a11f73bd0e6e69dd19e61c1df0266a4ac4db5dee148b81d11a8ca732fed526327e5397c7bb1e5a52a4a1ae49b20ea6dcd4536da05869d

  • SSDEEP

    384:NKw+tHaY5MizvlslmCeUlEpavsdc90pMiDdNPw4JYDlMlz8ln8ME4bo7L:N9+tHaS2Z5aakdi0ptDn9sup8d84bof

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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\55507a82fa1faaa86d8eec3a77675420N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\55507a82fa1faaa86d8eec3a77675420N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4704
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 636
        3⤵
        • Program crash
        PID:4640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4704 -ip 4704
    1⤵
      PID:3624

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads