Analysis

  • max time kernel
    27s
  • max time network
    24s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    01-02-2022 15:01

General

  • Target

    af658a2ab1452b0287f0f3cd94a3cab9.exe

  • Size

    12KB

  • MD5

    af658a2ab1452b0287f0f3cd94a3cab9

  • SHA1

    3ac2d185c28548d43ea47b8fa3795b4308a4c39d

  • SHA256

    5ab660c1143da4a152b84aadcc978014551575601bf3425b3164d9744c842b85

  • SHA512

    fd15a363976754f2244e7ea191cf8c18583f8b4deeddb7147d93a8d9b0d7021ca0d9f6631a441c67a1347e59d5c4604d6f60a5be9845e03945801da14e036555

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\af658a2ab1452b0287f0f3cd94a3cab9.exe
    "C:\Users\Admin\AppData\Local\Temp\af658a2ab1452b0287f0f3cd94a3cab9.exe"
    1⤵
      PID:4168
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 4e6eea886926d45b526f4fecb59eb8ab Wf+mdQd1LUu2b7HNOycV8g.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:1488
    • 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:4060

    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/4060-131-0x000001F0AE790000-0x000001F0AE7A0000-memory.dmp
      Filesize

      64KB

    • memory/4060-138-0x000001F0B1B70000-0x000001F0B1B74000-memory.dmp
      Filesize

      16KB

    • memory/4168-130-0x0000000000EE0000-0x0000000000EE8000-memory.dmp
      Filesize

      32KB