Analysis

  • max time kernel
    153s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    16-06-2022 07:17

General

  • Target

    26cc8372a4e8eeb5f03f03d1b86b8e308c6f45552cbd42dc1ecbf8ccc7d1e0db.exe

  • Size

    818KB

  • MD5

    05e074a8fd3672396b4a9f2a271ba17d

  • SHA1

    82e1890207edee593eeda5133024f88e42a41486

  • SHA256

    26cc8372a4e8eeb5f03f03d1b86b8e308c6f45552cbd42dc1ecbf8ccc7d1e0db

  • SHA512

    fbadd65c6d788bcb40a6316e1762563b7a9c3908b8e1b28efa1fba5274adf60d2858cee4fc34555ae034455a32559162331b059bad49abcdd1341f28b247413f

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26cc8372a4e8eeb5f03f03d1b86b8e308c6f45552cbd42dc1ecbf8ccc7d1e0db.exe
    "C:\Users\Admin\AppData\Local\Temp\26cc8372a4e8eeb5f03f03d1b86b8e308c6f45552cbd42dc1ecbf8ccc7d1e0db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\26cc8372a4e8eeb5f03f03d1b86b8e308c6f45552cbd42dc1ecbf8ccc7d1e0db.exe
      "C:\Users\Admin\AppData\Local\Temp\26cc8372a4e8eeb5f03f03d1b86b8e308c6f45552cbd42dc1ecbf8ccc7d1e0db.exe"
      2⤵
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3764
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\syswow64\svchost.exe
        3⤵
        • Adds policy Run key to start application
        • Drops file in Program Files directory
        PID:3276

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3276-132-0x0000000000000000-mapping.dmp

  • memory/3276-133-0x0000000000550000-0x000000000055E000-memory.dmp

    Filesize

    56KB

  • memory/3276-134-0x0000000000590000-0x0000000000595000-memory.dmp

    Filesize

    20KB

  • memory/3276-135-0x0000000000590000-0x0000000000595000-memory.dmp

    Filesize

    20KB

  • memory/3764-130-0x0000000000000000-mapping.dmp

  • memory/3764-131-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB