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Analysis

  • max time kernel
    120s
  • max time network
    54s
  • 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, 00:48

General

  • Target

    4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe

  • Size

    322KB

  • MD5

    b81fb6eb1723b9e6f2f4310d6ec88565

  • SHA1

    06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

  • SHA256

    4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

  • SHA512

    2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

  • SSDEEP

    6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Suspicious use of SetThreadContext 3 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe
    "C:\Users\Admin\AppData\Local\Temp\4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe
      C:\Users\Admin\AppData\Local\Temp\4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2132
      • 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:3408
  • 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:1148
    • 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:2224
      • 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:4752
  • 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:4344
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      2⤵
      • Executes dropped EXE
      PID:5016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log

    Filesize

    789B

    MD5

    db5ef8d7c51bad129d9097bf953e4913

    SHA1

    8439db960aa2d431bf5ec3c37af775b45eb07e06

    SHA256

    1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9

    SHA512

    04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

    Filesize

    322KB

    MD5

    b81fb6eb1723b9e6f2f4310d6ec88565

    SHA1

    06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

    SHA256

    4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

    SHA512

    2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

    Filesize

    322KB

    MD5

    b81fb6eb1723b9e6f2f4310d6ec88565

    SHA1

    06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

    SHA256

    4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

    SHA512

    2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

    Filesize

    322KB

    MD5

    b81fb6eb1723b9e6f2f4310d6ec88565

    SHA1

    06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

    SHA256

    4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

    SHA512

    2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

    Filesize

    322KB

    MD5

    b81fb6eb1723b9e6f2f4310d6ec88565

    SHA1

    06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

    SHA256

    4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

    SHA512

    2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

    Filesize

    322KB

    MD5

    b81fb6eb1723b9e6f2f4310d6ec88565

    SHA1

    06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

    SHA256

    4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

    SHA512

    2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

  • memory/2132-188-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-185-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-230-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2132-189-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-176-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2132-187-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-186-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-184-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-181-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-180-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-179-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2132-178-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-138-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-169-0x0000000002810000-0x000000000282E000-memory.dmp

    Filesize

    120KB

  • memory/2692-140-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-141-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-142-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-143-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-144-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-145-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-146-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-147-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-148-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-149-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-150-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-151-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-152-0x00000000003C0000-0x0000000000416000-memory.dmp

    Filesize

    344KB

  • memory/2692-153-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-154-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-155-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-156-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-157-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-158-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-159-0x0000000004C90000-0x0000000004D5C000-memory.dmp

    Filesize

    816KB

  • memory/2692-160-0x0000000007740000-0x0000000007C3E000-memory.dmp

    Filesize

    5.0MB

  • memory/2692-161-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-162-0x0000000007240000-0x00000000072D2000-memory.dmp

    Filesize

    584KB

  • memory/2692-163-0x00000000027C0000-0x00000000027C6000-memory.dmp

    Filesize

    24KB

  • memory/2692-164-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-165-0x0000000007560000-0x00000000075D6000-memory.dmp

    Filesize

    472KB

  • memory/2692-166-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-167-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-168-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-139-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-170-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-171-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-172-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-173-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-174-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-175-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-118-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-137-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-136-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-135-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-134-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-133-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-132-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-182-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-131-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-129-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-130-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-128-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-127-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-119-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-126-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-125-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-124-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-123-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-122-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-120-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2692-121-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB