Analysis

  • max time kernel
    132s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    01-02-2022 12:54

General

  • Target

    72932b9f1884e066fe30966a1a3089b26208297cd6ecbfd76249d9b82b5cb616.exe

  • Size

    32KB

  • MD5

    216832fb0d4a2660207d1d3129d3df9e

  • SHA1

    909235013e83dad057fedc4ce3d4a64ac3dbd88c

  • SHA256

    72932b9f1884e066fe30966a1a3089b26208297cd6ecbfd76249d9b82b5cb616

  • SHA512

    054f69b044a8192663720927e5e46dad0199a30164b0a595dab0a1da9e6d9019c20bcfba2c43e6cb01de397d18698a6aa5aa67bc3faa3db598658753ad5821f3

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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72932b9f1884e066fe30966a1a3089b26208297cd6ecbfd76249d9b82b5cb616.exe
    "C:\Users\Admin\AppData\Local\Temp\72932b9f1884e066fe30966a1a3089b26208297cd6ecbfd76249d9b82b5cb616.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\fondue.exe
      "C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1720
      • C:\Windows\system32\FonDUE.EXE
        "C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll
        3⤵
          PID:1900
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 8f3ebf498fa946c98a0ec1aa9474ebd6 WFHYrf6NjEyw3sxbHvvmRw.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:4080
    • 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:2912

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2912-145-0x00000125AB340000-0x00000125AB344000-memory.dmp
      Filesize

      16KB