Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    10-09-2021 21:28

General

  • Target

    libcurl.dll

  • Size

    218KB

  • MD5

    d09be1f47fd6b827c81a4812b4f7296f

  • SHA1

    028ae3596c0790e6d7f9f2f3c8e9591527d267f7

  • SHA256

    0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

  • SHA512

    857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcurl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcurl.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 252
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1212

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1212-61-0x0000000000000000-mapping.dmp
  • memory/1212-62-0x00000000002C0000-0x00000000002C1000-memory.dmp
    Filesize

    4KB

  • memory/1964-53-0x0000000000000000-mapping.dmp
  • memory/1964-54-0x0000000075911000-0x0000000075913000-memory.dmp
    Filesize

    8KB

  • memory/1964-55-0x000000006B440000-0x000000006B4CF000-memory.dmp
    Filesize

    572KB

  • memory/1964-56-0x0000000064940000-0x0000000064959000-memory.dmp
    Filesize

    100KB

  • memory/1964-57-0x0000000064940000-0x0000000064959000-memory.dmp
    Filesize

    100KB

  • memory/1964-58-0x0000000064940000-0x0000000064959000-memory.dmp
    Filesize

    100KB

  • memory/1964-59-0x0000000064940000-0x0000000064959000-memory.dmp
    Filesize

    100KB

  • memory/1964-60-0x000000006B440000-0x000000006B4CF000-memory.dmp
    Filesize

    572KB