Analysis

  • max time kernel
    70s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:40

General

  • Target
    a4e1caab1b9642ef645b6549ca09d303.exe
  • Size 88KB
  • Sample201109-e3vy4glzye
  • SHA256 855dcd368dbb01539e7efa4b3fefa9b56d197db87b1ba3ede5e1f95927ea2ca3
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Checks QEMU agent state file 2 TTPs 2 IoCs

    Checks state file used by QEMU agent, possibly to detect virtualization.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4e1caab1b9642ef645b6549ca09d303.exe
    "C:\Users\Admin\AppData\Local\Temp\a4e1caab1b9642ef645b6549ca09d303.exe"
    1⤵
    • Checks QEMU agent state file
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Users\Admin\AppData\Local\Temp\a4e1caab1b9642ef645b6549ca09d303.exe"
      2⤵
      • Checks QEMU agent state file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:3972

Network

        MITRE ATT&CK Enterprise v6

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        Downloads