Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 02:04

General

  • Target

    0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe

  • Size

    894KB

  • MD5

    53b79ccad8bee5f9027601500616a975

  • SHA1

    0f52c391a610e1d79d148dd70a4cd90c952dddae

  • SHA256

    0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052

  • SHA512

    5422ef61678dd02424492e1c02ae96e063f8a43713043560db3e3c788e899cb11bc5b8de9c4318f51491deb5bc4bb9ddfb6fa85eabc3c2f3322d17e0c9cc481b

  • SSDEEP

    12288:260nsDt02aQqTSpqdtQxIUPXnohqsMtc18p1THM4yHXxKoO3XdgO6wSmv:21naampqdGTocsEcn467O3Xdgrk

Malware Config

Extracted

Family

remcos

Botnet

czt

C2

aadavidron.duckdns.org:53848

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Windeep.exe

  • copy_folder

    AppDir

  • 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-FS2BKT

  • 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.

  • Remcos family
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
    "C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VSNeHYIHmY.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VSNeHYIHmY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2DD4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2576
    • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
      "C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
        C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\yedjeoqfqfymjombceykkoscnj"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1400
      • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
        C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\iyqbehbzmnqrlcbflpllvtmlopiab"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2252
      • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
        C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\lavufzmaavidwipjvzxfyfhcxesbuoew"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    3b1da454f106411d38ceec1683be59ec

    SHA1

    3eb76abc1bef6ec38553f2affe0b1892db273bc1

    SHA256

    823436a6036ade43bbe5ced6af6f9982d74089282f712b9925c3b3b0b61d770c

    SHA512

    6ac5f520a70b9ceab6c7354d0a3f974a84ff68c3aa4830096992b4cd6ff7d8ad58b91899f940c72611e91154b2702261399405e1cd912e05be48311254beab63

  • C:\Users\Admin\AppData\Local\Temp\tmp2DD4.tmp

    Filesize

    1KB

    MD5

    e006d268f34e0e5ee34ee534ba394ede

    SHA1

    2fbcb9cf3d81d4ad3f5b692af1a0706be60b0901

    SHA256

    e0e5bf6da39c9487e0097cef460a3e77a39a12fc1dff51856605ae0eab715854

    SHA512

    2864c63d396998cfb4141de245557db0192904385c1d5593dde7336adb9b86bdf51bdd7e54f5e70c729986af11abbc2e1a39cc6588cbc97451617b930e9d6e8d

  • C:\Users\Admin\AppData\Local\Temp\yedjeoqfqfymjombceykkoscnj

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    76ff23321e559d90399ad5c4ee9d1162

    SHA1

    0eaceda08ea4f10599866adbbe032d10d07a9c31

    SHA256

    4e26c1f53e6191290c97cc669ff22bd89285e7dad8e109e15290acc71dfb53f3

    SHA512

    1eea79be86b4caf92a3c908f99fcf09ae228b51ab7e824cd661a626a4d9db42c97c1aa7ea91f4557d929c32c205ed0a610d69a373c5fc38867d0326fac4bb9f7

  • memory/1400-52-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1400-47-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1400-48-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2252-53-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2252-51-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2252-50-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2264-1-0x00000000008B0000-0x0000000000996000-memory.dmp

    Filesize

    920KB

  • memory/2264-3-0x0000000000390000-0x00000000003A2000-memory.dmp

    Filesize

    72KB

  • memory/2264-2-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-4-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2264-6-0x0000000004E80000-0x0000000004F44000-memory.dmp

    Filesize

    784KB

  • memory/2264-0-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2264-38-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-5-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2884-55-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-56-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-57-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3056-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3056-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-66-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/3056-70-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/3056-69-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/3056-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-86-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-87-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-94-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-95-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-103-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3056-102-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB