Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01/11/2022, 11:39

General

  • Target
    957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7.exe
  • Size 324KB
  • Sample221101-nsk2dsbed8
  • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7.exe
    "C:\Users\Admin\AppData\Local\Temp\957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7.exe
      C:\Users\Admin\AppData\Local\Temp\957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
        3⤵
        • Creates scheduled task(s)
        PID:1364
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      2⤵
      • Executes dropped EXE
      PID:2744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 24
        3⤵
        • Program crash
        PID:3924
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      2⤵
      • Executes dropped EXE
      PID:4596
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
        3⤵
        • Creates scheduled task(s)
        PID:4576
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      2⤵
      • Executes dropped EXE
      PID:1792

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        oobeldr.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log
        • Size 789B
        • SHA256 1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9
        • MD5 SHA1 SHA512

        oobeldr.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
        • Size 324KB
        • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
        • MD5 SHA1 SHA512 SSDEEP

        oobeldr.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
        • Size 324KB
        • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
        • MD5 SHA1 SHA512 SSDEEP

        oobeldr.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
        • Size 324KB
        • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
        • MD5 SHA1 SHA512 SSDEEP

        oobeldr.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
        • Size 324KB
        • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
        • MD5 SHA1 SHA512 SSDEEP

        oobeldr.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
        • Size 324KB
        • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
        • MD5 SHA1 SHA512 SSDEEP

        oobeldr.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
        • Size 324KB
        • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
        • MD5 SHA1 SHA512 SSDEEP

        oobeldr.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
        • Size 324KB
        • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
        • MD5 SHA1 SHA512 SSDEEP

        oobeldr.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
        • Size 324KB
        • SHA256 957df3eea8c1402c9d880f27e52bd64a417378c28ab995ea6514f3ed4ca1cfa7
        • MD5 SHA1 SHA512 SSDEEP

        memory/2700-154-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-160-0x0000000007B70000-0x0000000007C02000-memory.dmp

        memory/2700-125-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-126-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-127-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-128-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-129-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-130-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-131-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-132-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-133-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-134-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-135-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-137-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-136-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-138-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-139-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-140-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-141-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-142-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-144-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-143-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-145-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-146-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-147-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-149-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-150-0x0000000000CD0000-0x0000000000D26000-memory.dmp

        memory/2700-148-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-151-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-152-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-153-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-123-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-155-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-157-0x0000000007A00000-0x0000000007ACC000-memory.dmp

        memory/2700-156-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-158-0x0000000007FD0000-0x00000000084CE000-memory.dmp

        memory/2700-159-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-124-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-161-0x00000000032F0000-0x00000000032F6000-memory.dmp

        memory/2700-162-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-163-0x0000000007E10000-0x0000000007E86000-memory.dmp

        memory/2700-164-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-165-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-166-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-167-0x0000000007AF0000-0x0000000007B0E000-memory.dmp

        memory/2700-170-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-171-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-173-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-172-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-169-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-168-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-179-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-116-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-117-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-118-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-119-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-120-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-121-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/2700-122-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-177-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-187-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-186-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-180-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-182-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-185-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-184-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-176-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-174-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/4776-183-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-178-0x0000000077840000-0x00000000779CE000-memory.dmp

        memory/4776-228-0x0000000000400000-0x0000000000406000-memory.dmp