Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 10:02

General

  • Target

    $PLUGINSDIR/CryptBinaries4.dll

  • Size

    23KB

  • MD5

    cc33034cde279e6dde91f637f01f549f

  • SHA1

    0628772fc6a8d1653fe18aa81bb8c58498a3815e

  • SHA256

    c58e430dd83b740a9df678365d96d77be6d9aaf438814b70142300cadf4ce3e6

  • SHA512

    6e68b2280587c714bc1ae16f1267093f7accd55872eae68a0fca2759ab60522e517db82cfb55191a001d47131c1b1fb4ccc1cb33d5375bfc794fe3e145d0fb0a

  • SSDEEP

    384:0C4qoa3WiphDgROnbbiVDDMnnS8Vz/mYJo2qgsuRd23GnR7NystQX0CmiVcKO:0wnG25Rd22nR7NyGQpmiiK

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\$PLUGINSDIR\CryptBinaries4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CryptBinaries4.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 600
        3⤵
        • Program crash
        PID:2816
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2864 -ip 2864
    1⤵
      PID:3088

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads