Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-04-2024 07:24

General

  • Target

    17122153850e49c0cfb850fba174cf16707d6542d13cef87fc72c790ae00b3df54faaaaed9126.exe

  • Size

    483KB

  • MD5

    c16b61d355597e973962354a54d9105a

  • SHA1

    418f9f2d76cc53b40f6f7321f93bff947af7a699

  • SHA256

    a1f0f4676e135cc88ab8b6a25c70530fa193b1718bd2ba7b6ac1c997c241f6c8

  • SHA512

    9e4ede43e4cce4a0312cb52a795bf04bf75b7f5c8dfd837f47d86968db11febc92434d1aa71d88e785d3e99e12a99d997ce0edc9061fe2b380f82d03f7c7071e

  • SSDEEP

    6144:aXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNH5Gv:aX7tPMK8ctGe4Dzl4h2QnuPs/ZDicv

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

jansuri.kozow.com:7232

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-3XBWOL

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17122153850e49c0cfb850fba174cf16707d6542d13cef87fc72c790ae00b3df54faaaaed9126.exe
    "C:\Users\Admin\AppData\Local\Temp\17122153850e49c0cfb850fba174cf16707d6542d13cef87fc72c790ae00b3df54faaaaed9126.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2276
    • \??\c:\program files (x86)\internet explorer\iexplore.exe
      "c:\program files (x86)\internet explorer\iexplore.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1544
      • \??\c:\program files (x86)\internet explorer\iexplore.exe
        "c:\program files (x86)\internet explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\edwtoidblhwahesvzehviff"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2668
      • \??\c:\program files (x86)\internet explorer\iexplore.exe
        "c:\program files (x86)\internet explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pxblpbnczpofksgzqhcplkrcnb"
        3⤵
          PID:1948
        • \??\c:\program files (x86)\internet explorer\iexplore.exe
          "c:\program files (x86)\internet explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pxblpbnczpofksgzqhcplkrcnb"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:2696
        • \??\c:\program files (x86)\internet explorer\iexplore.exe
          "c:\program files (x86)\internet explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\zsgeqtywnxgsuzcdzroqwxmloiwtoe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2868

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\edwtoidblhwahesvzehviff
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1544-48-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1544-52-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-5-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-6-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-7-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-8-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-58-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-10-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-11-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-12-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-14-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-15-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-57-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-55-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-54-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1544-53-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-51-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-50-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-9-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-4-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/1544-49-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1544-47-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1544-0-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/1544-44-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1544-2-0x0000000000080000-0x0000000000102000-memory.dmp
      Filesize

      520KB

    • memory/2668-41-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/2668-18-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/2668-32-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/2668-27-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/2668-30-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/2696-33-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/2696-28-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/2696-43-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/2696-22-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/2696-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2868-26-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/2868-31-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/2868-36-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/2868-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2868-35-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB