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Analysis

  • max time kernel
    103s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2022, 01:22

General

  • Target

    f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe

  • Size

    325KB

  • MD5

    642e55bffd4dea672ad494cde1ae6b36

  • SHA1

    c80539149e6597dd064f9c6c2304be55b057f316

  • SHA256

    f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

  • SHA512

    9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

  • 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\f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe
    "C:\Users\Admin\AppData\Local\Temp\f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe
      C:\Users\Admin\AppData\Local\Temp\f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5048
      • 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:740
  • 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:2996
    • 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:544
      • 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:4572
  • 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:3768
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      2⤵
      • Executes dropped EXE
      PID:4736

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

    03d2df1e8834bc4ec1756735429b458c

    SHA1

    4ee6c0f5b04c8e0c5076219c5724032daab11d40

    SHA256

    745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631

    SHA512

    2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

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

    Filesize

    325KB

    MD5

    642e55bffd4dea672ad494cde1ae6b36

    SHA1

    c80539149e6597dd064f9c6c2304be55b057f316

    SHA256

    f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

    SHA512

    9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

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

    Filesize

    325KB

    MD5

    642e55bffd4dea672ad494cde1ae6b36

    SHA1

    c80539149e6597dd064f9c6c2304be55b057f316

    SHA256

    f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

    SHA512

    9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

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

    Filesize

    325KB

    MD5

    642e55bffd4dea672ad494cde1ae6b36

    SHA1

    c80539149e6597dd064f9c6c2304be55b057f316

    SHA256

    f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

    SHA512

    9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

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

    Filesize

    325KB

    MD5

    642e55bffd4dea672ad494cde1ae6b36

    SHA1

    c80539149e6597dd064f9c6c2304be55b057f316

    SHA256

    f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

    SHA512

    9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

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

    Filesize

    325KB

    MD5

    642e55bffd4dea672ad494cde1ae6b36

    SHA1

    c80539149e6597dd064f9c6c2304be55b057f316

    SHA256

    f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

    SHA512

    9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

  • memory/1608-136-0x00000000074E0000-0x00000000074FE000-memory.dmp

    Filesize

    120KB

  • memory/1608-132-0x0000000000550000-0x00000000005A6000-memory.dmp

    Filesize

    344KB

  • memory/1608-135-0x00000000077C0000-0x0000000007836000-memory.dmp

    Filesize

    472KB

  • memory/1608-134-0x0000000007520000-0x00000000075B2000-memory.dmp

    Filesize

    584KB

  • memory/1608-133-0x0000000007A30000-0x0000000007FD4000-memory.dmp

    Filesize

    5.6MB

  • memory/5048-141-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/5048-140-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/5048-138-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB