Analysis

  • max time kernel
    38s
  • max time network
    78s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    01-02-2022 10:38

General

  • Target

    304b63a4364fd1a92dce9fe0fd15a299ff5fd01ab4a2185dab446486ffe22694.dll

  • Size

    242KB

  • MD5

    69937b0f8c5f19070132f1a63427414a

  • SHA1

    61bb61cce8bc6e7789bbf5021b4326b41fc8d0e5

  • SHA256

    304b63a4364fd1a92dce9fe0fd15a299ff5fd01ab4a2185dab446486ffe22694

  • SHA512

    9a71a0838321d4b9aadb28823a4d255e2d9959f0bab29abdd382982a0e3ec068a31ad73754f62decbc30b89c53755ed438249428a086541899b51b214969d519

Score
8/10

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 6 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\304b63a4364fd1a92dce9fe0fd15a299ff5fd01ab4a2185dab446486ffe22694.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\304b63a4364fd1a92dce9fe0fd15a299ff5fd01ab4a2185dab446486ffe22694.dll,#1
      2⤵
        PID:4072
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 373d101d469268837ea76d0743a9549d YiNifrNuB060IsezIzRxbA.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:1780
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1952

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1952-142-0x000001E243DA0000-0x000001E243DA4000-memory.dmp

      Filesize

      16KB