Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:436
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b076bcb501485446eb9cdb450e4714a6.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2904
      • 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:2964

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • memory/436-18-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

            Filesize

            4KB

          • memory/2964-8-0x00000000024C0000-0x00000000024C1000-memory.dmp

            Filesize

            4KB

          • memory/2964-10-0x0000000003190000-0x0000000003191000-memory.dmp

            Filesize

            4KB

          • memory/2964-3-0x00000000004D0000-0x000000000054E000-memory.dmp

            Filesize

            504KB

          • memory/2964-4-0x0000000001E70000-0x0000000001ECB000-memory.dmp

            Filesize

            364KB

          • memory/2964-5-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2964-6-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2964-9-0x0000000002410000-0x0000000002411000-memory.dmp

            Filesize

            4KB

          • memory/2964-0-0x0000000000160000-0x00000000001DE000-memory.dmp

            Filesize

            504KB

          • memory/2964-2-0x00000000004D0000-0x000000000054E000-memory.dmp

            Filesize

            504KB

          • memory/2964-16-0x0000000003140000-0x0000000003142000-memory.dmp

            Filesize

            8KB

          • memory/2964-7-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

            Filesize

            4KB

          • memory/2964-15-0x0000000003300000-0x0000000003301000-memory.dmp

            Filesize

            4KB

          • memory/2964-14-0x0000000003310000-0x0000000003311000-memory.dmp

            Filesize

            4KB

          • memory/2964-13-0x00000000031A0000-0x00000000031A1000-memory.dmp

            Filesize

            4KB

          • memory/2964-12-0x00000000031B0000-0x00000000031B1000-memory.dmp

            Filesize

            4KB

          • memory/2964-11-0x0000000002570000-0x0000000002571000-memory.dmp

            Filesize

            4KB

          • memory/2964-1-0x0000000000160000-0x00000000001DE000-memory.dmp

            Filesize

            504KB