Analysis

  • max time kernel
    129s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    01-02-2022 11:00

General

  • Target

    06c77562bdd0cc66c87571dd9424c3c340289f3a94f458df029a536c911d0100.dll

  • Size

    55KB

  • MD5

    70adbf361b9d7148e2e2f58b84322028

  • SHA1

    ee8485039eec5095d933ff38b804e486a06f7f2c

  • SHA256

    06c77562bdd0cc66c87571dd9424c3c340289f3a94f458df029a536c911d0100

  • SHA512

    2a606ad3483752d7376a122808bf8ef561f4cf935ee753de2a1697e81eadc4aaf1850547cb77110bdf906945f00929816ac03299680dd0fe673ef5ad4ab6991e

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\06c77562bdd0cc66c87571dd9424c3c340289f3a94f458df029a536c911d0100.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\06c77562bdd0cc66c87571dd9424c3c340289f3a94f458df029a536c911d0100.dll,#1
      2⤵
        PID:1424
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 16f39c8875e4711da77ef343fa1e7049 YduDj5TrIUWz4U/3pjPoQA.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:3424
    • 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:3728

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

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    Downloads

    • memory/3728-205-0x0000026C5D730000-0x0000026C5D740000-memory.dmp
      Filesize

      64KB

    • memory/3728-206-0x0000026C5D790000-0x0000026C5D7A0000-memory.dmp
      Filesize

      64KB

    • memory/3728-207-0x0000026C60490000-0x0000026C60494000-memory.dmp
      Filesize

      16KB