Analysis

  • max time kernel
    93s
  • 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
    25-09-2024 23:55

General

  • Target

    $WINDIR/System32/wkcajax.dll

  • Size

    232KB

  • MD5

    21e5ab0214714983584031e78c763aae

  • SHA1

    67d96799572b2d847561d1dc5c5db639c3abb085

  • SHA256

    2dd855c3a2d5acec7cf1daf44284576e3d97ae8891bdf15480ed530c0863855f

  • SHA512

    2807cd740c1d50de1f6e26c869c466a503181f276832c1057c8269d50abaa3a7fc0769479d3357962dd63bcd57541ccf9a3fb31314d874365143e0442f7114cf

  • SSDEEP

    3072:YoyLNAAt8jV5FEJ1cejHUDjE3tNtIhprSM33UCNneRwN2j821+RA3q3pIZ:svcMWbUCNneRwg32SZ

Score
3/10

Malware Config

Signatures

  • 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.

  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$WINDIR\System32\wkcajax.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\$WINDIR\System32\wkcajax.dll
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:1064

Network

MITRE ATT&CK Enterprise v15

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Downloads