Analysis

  • max time kernel
    149s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2024 04:41

General

  • Target

    f8273585875588de1e9b4e7bdd254dc425515b34b81f65743027f7017f11c9b4.dll

  • Size

    525KB

  • MD5

    9129bcad644be1aefe578bd038ecac12

  • SHA1

    bd5a2da2e3ba83e49f9cba6bc05f26c369eb0664

  • SHA256

    f8273585875588de1e9b4e7bdd254dc425515b34b81f65743027f7017f11c9b4

  • SHA512

    0ccffcab56017199bd5a7c3d7205c69d283dd56c9f789be27ddd5585746d7812bde23777e9f13b5eb650cab6fb07675e13c6e8aea1d7b5cc415bff178ccb50cc

  • SSDEEP

    1536:ehh6nANukXsssssssssssssssssssssssssssssssssssssssssssssssssssssW:4XNu6

Score
6/10

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8273585875588de1e9b4e7bdd254dc425515b34b81f65743027f7017f11c9b4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3320
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8273585875588de1e9b4e7bdd254dc425515b34b81f65743027f7017f11c9b4.dll,#1
      2⤵
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4412
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~DFD240596671.bat
        3⤵
          PID:2432

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~DFD240596671.bat

      Filesize

      121B

      MD5

      09517fc62284f33e877a276463580bd1

      SHA1

      0b14fe1db4493818f9de0bf2a56ee5370b8d479a

      SHA256

      6cc6bbb1f3f754b6894d84130f5f2d86569ac3a603e1632d3cefa028f22b6238

      SHA512

      1b924dd216d0f38199cc6df215e65ff260aa48fa37aa620dabcbc616f434643bd1f2e617d66b14bd52900214148741565128ba9589782ba582fd7308369f4a4d

    • memory/4412-0-0x0000000000660000-0x000000000066D000-memory.dmp

      Filesize

      52KB