Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 02:35

General

  • Target

    b076bcb501485446eb9cdb450e4714a6.dll

  • Size

    377KB

  • MD5

    b076bcb501485446eb9cdb450e4714a6

  • SHA1

    3060798a91f01f729f0a8988643d48b576a708d6

  • SHA256

    c69c2902135acc0c8511418682b3d0685c5b29f9ef2312d4775f25260bfbbc0d

  • SHA512

    557deac7a36f735a516dbf0825b23174031a9ccd37491c77779cd97e51d43a276130444470184fbac7dec2911701554e84c0bc88c8854827d0515235e4082a12

  • SSDEEP

    6144:8sot2A39Lm4lbN+U8xApz/orIiY5+HCp+RKe5MX3Zw6Xva1Q7n6IN4JC0bvm0Llz:8stom4v+SDoctkHCURjqZw6XvayPwjmC

Score
6/10

Malware Config

Signatures

  • Modifies WinLogon 2 TTPs 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:584
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b076bcb501485446eb9cdb450e4714a6.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3568
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\b076bcb501485446eb9cdb450e4714a6.dll,#1
        2⤵
        • Modifies WinLogon
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2320

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • memory/2320-0-0x0000000000400000-0x000000000047E000-memory.dmp

            Filesize

            504KB

          • memory/2320-1-0x0000000002610000-0x000000000266B000-memory.dmp

            Filesize

            364KB

          • memory/2320-2-0x0000000002880000-0x0000000002881000-memory.dmp

            Filesize

            4KB

          • memory/2320-4-0x0000000002850000-0x0000000002851000-memory.dmp

            Filesize

            4KB

          • memory/2320-3-0x0000000002870000-0x0000000002871000-memory.dmp

            Filesize

            4KB

          • memory/2320-7-0x0000000002810000-0x0000000002811000-memory.dmp

            Filesize

            4KB

          • memory/2320-5-0x0000000002830000-0x0000000002831000-memory.dmp

            Filesize

            4KB

          • memory/2320-6-0x00000000027F0000-0x00000000027F1000-memory.dmp

            Filesize

            4KB

          • memory/2320-8-0x0000000003680000-0x0000000003681000-memory.dmp

            Filesize

            4KB

          • memory/2320-9-0x0000000003670000-0x0000000003672000-memory.dmp

            Filesize

            8KB

          • memory/2320-10-0x00000000036C0000-0x00000000036C1000-memory.dmp

            Filesize

            4KB

          • memory/2320-11-0x00000000027E0000-0x00000000027E1000-memory.dmp

            Filesize

            4KB

          • memory/2320-12-0x0000000002890000-0x0000000002891000-memory.dmp

            Filesize

            4KB

          • memory/2320-13-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

            Filesize

            4KB

          • memory/2320-14-0x0000000000B00000-0x0000000000B01000-memory.dmp

            Filesize

            4KB

          • memory/2320-15-0x0000000003690000-0x0000000003691000-memory.dmp

            Filesize

            4KB

          • memory/2320-16-0x00000000029F0000-0x00000000029F1000-memory.dmp

            Filesize

            4KB

          • memory/2320-17-0x0000000002940000-0x0000000002941000-memory.dmp

            Filesize

            4KB

          • memory/2320-18-0x0000000002AA0000-0x0000000002AA1000-memory.dmp

            Filesize

            4KB

          • memory/2320-19-0x00000000036E0000-0x00000000036E1000-memory.dmp

            Filesize

            4KB

          • memory/2320-20-0x00000000036D0000-0x00000000036D1000-memory.dmp

            Filesize

            4KB

          • memory/2320-21-0x0000000003840000-0x0000000003841000-memory.dmp

            Filesize

            4KB

          • memory/2320-22-0x0000000003830000-0x0000000003831000-memory.dmp

            Filesize

            4KB

          • memory/2320-23-0x0000000003870000-0x0000000003871000-memory.dmp

            Filesize

            4KB

          • memory/2320-24-0x00000000038A0000-0x00000000038A1000-memory.dmp

            Filesize

            4KB

          • memory/2320-25-0x0000000003A60000-0x0000000003A61000-memory.dmp

            Filesize

            4KB

          • memory/2320-26-0x0000000003A90000-0x0000000003A91000-memory.dmp

            Filesize

            4KB

          • memory/2320-27-0x0000000003A80000-0x0000000003A81000-memory.dmp

            Filesize

            4KB

          • memory/2320-28-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

            Filesize

            4KB

          • memory/2320-29-0x0000000003DE0000-0x0000000003DE1000-memory.dmp

            Filesize

            4KB

          • memory/2320-30-0x0000000003E90000-0x0000000003E91000-memory.dmp

            Filesize

            4KB

          • memory/2320-31-0x0000000003890000-0x0000000003891000-memory.dmp

            Filesize

            4KB

          • memory/2320-32-0x00000000038B0000-0x00000000038B1000-memory.dmp

            Filesize

            4KB

          • memory/2320-33-0x0000000003A70000-0x0000000003A71000-memory.dmp

            Filesize

            4KB

          • memory/2320-34-0x0000000003EA0000-0x0000000003EA1000-memory.dmp

            Filesize

            4KB

          • memory/2320-35-0x0000000003EC0000-0x0000000003EC1000-memory.dmp

            Filesize

            4KB

          • memory/2320-36-0x0000000003EB0000-0x0000000003EB1000-memory.dmp

            Filesize

            4KB

          • memory/2320-38-0x0000000003EE0000-0x0000000003EE1000-memory.dmp

            Filesize

            4KB

          • memory/2320-39-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

            Filesize

            4KB

          • memory/2320-40-0x0000000003F10000-0x0000000003F11000-memory.dmp

            Filesize

            4KB

          • memory/2320-41-0x0000000004030000-0x0000000004031000-memory.dmp

            Filesize

            4KB

          • memory/2320-42-0x0000000004050000-0x0000000004051000-memory.dmp

            Filesize

            4KB

          • memory/2320-43-0x0000000004080000-0x0000000004081000-memory.dmp

            Filesize

            4KB

          • memory/2320-44-0x0000000004090000-0x0000000004091000-memory.dmp

            Filesize

            4KB

          • memory/2320-45-0x0000000004040000-0x0000000004041000-memory.dmp

            Filesize

            4KB