Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13/11/2020, 15:20

General

  • Target
    5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe
  • Size 222KB
  • Sample201113-evvyt447ws
  • SHA256 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies service 2 TTPs 26 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 101 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe
    "C:\Users\Admin\AppData\Local\Temp\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe
      "C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies service
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3920
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe\" arguments" /sc MINUTE /mo 1
        3⤵
        • Creates scheduled task(s)
        PID:2416
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:508
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe" && del "C:\Users\Admin\AppData\Local\Temp\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe.config"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:976
        • C:\Windows\system32\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:188
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:3912
      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe
        C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe arguments
        1⤵
        • Executes dropped EXE
        PID:2628
      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe
        C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe arguments
        1⤵
        • Executes dropped EXE
        PID:1512

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/848-0-0x00007FFF2D350000-0x00007FFF2DCF0000-memory.dmp

            memory/1512-176-0x00007FFF2D350000-0x00007FFF2DCF0000-memory.dmp

            memory/2628-173-0x00007FFF2D350000-0x00007FFF2DCF0000-memory.dmp

            memory/3920-128-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-134-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-95-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-96-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-97-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-98-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-99-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-100-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-101-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-103-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-104-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-106-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-107-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-108-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-105-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-102-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-109-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-111-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-112-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-113-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-114-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-115-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-110-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-116-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-117-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-118-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-119-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-120-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-121-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-122-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-123-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-124-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-125-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-126-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-127-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-93-0x0000000021700000-0x0000000021701000-memory.dmp

            memory/3920-129-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-130-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-131-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-132-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-133-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-94-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-135-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-136-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-137-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-138-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-139-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-140-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-141-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-142-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-143-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-144-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-145-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-146-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-147-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-148-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-149-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-150-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-151-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-152-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-153-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-154-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-155-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-156-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-157-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-158-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-159-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-160-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-161-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-162-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-163-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-164-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-165-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-166-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-167-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-168-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-169-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-170-0x0000000021030000-0x000000002104E000-memory.dmp

            memory/3920-14-0x0000000021500000-0x0000000021501000-memory.dmp

            memory/3920-11-0x0000000021500000-0x0000000021501000-memory.dmp

            memory/3920-10-0x0000000021500000-0x0000000021501000-memory.dmp

            memory/3920-6-0x00007FFF2D350000-0x00007FFF2DCF0000-memory.dmp