Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240214-en
  • resource tags

    arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/02/2024, 16:38

General

  • Target

    malzero/tools/openssl/libcrypto-1_1.dll

  • Size

    2.2MB

  • MD5

    81fe785349c1a2dce0a66d291503fea9

  • SHA1

    ccac6ca60283905b926d6d71702bcc7748623eec

  • SHA256

    7d9fef300aa78c812e1849e89a6a25a5f2e235b597b54fe0d776a6c8ccdf688c

  • SHA512

    6080d9010357a5bea7094207a72b1a99c25a81ad3e323e63e40c61059714b8036c37209b2bd6555d401028b73a3feee6f772e8a265b38b7d711835ba6bf79e91

  • SSDEEP

    49152:Fp3rA+xv5r0bDpddDtv0K8EGzLH1CPwDv3uFV5ns:HTx0dD6K8Lb1CPwDv3uFV5ns

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\malzero\tools\openssl\libcrypto-1_1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\malzero\tools\openssl\libcrypto-1_1.dll,#1
      2⤵
        PID:4508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 520
          3⤵
          • Program crash
          PID:4120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4508 -ip 4508
      1⤵
        PID:2128

      Network

      MITRE ATT&CK Matrix

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      Downloads