Analysis

  • max time kernel
    40s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    01-02-2022 10:36

General

  • Target

    32e1f6091e9624588e87e7891f1fabcd725fb26c89ce0f42495d9b53decee472.dll

  • Size

    582KB

  • MD5

    9e6fc6ca8cef5988e5640b1e2c382941

  • SHA1

    13507bb477b0f4eb05cf013bc4a7ec4cb2203d5c

  • SHA256

    32e1f6091e9624588e87e7891f1fabcd725fb26c89ce0f42495d9b53decee472

  • SHA512

    a37d837bbf8e94a59eb96c0bcee4b783f3f80afd5ed879f165488251f373f167e91e68cec3cd1537bb63f334dab757e20a84c3db58bbc551f97ade8e5bb8f5ee

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\32e1f6091e9624588e87e7891f1fabcd725fb26c89ce0f42495d9b53decee472.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\32e1f6091e9624588e87e7891f1fabcd725fb26c89ce0f42495d9b53decee472.dll,#1
      2⤵
        PID:1184
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 0ca308bc5716f83856d8eeb3d5423a2b 9eDb/zuB20aCDaFDAt6nww.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:4612
    • 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:4328

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/4328-136-0x0000016E61540000-0x0000016E61550000-memory.dmp

      Filesize

      64KB

    • memory/4328-137-0x0000016E63A60000-0x0000016E63A64000-memory.dmp

      Filesize

      16KB