Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 03:14

General

  • Target

    5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe

  • Size

    998KB

  • MD5

    9a942028f55f59560c38677923c7ce6a

  • SHA1

    069cf2b7306f61ac65a4598f519a83dd535325c9

  • SHA256

    5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb

  • SHA512

    e3f0f2d9d97cfa7178d3fd1e12cd35c9b1a5b08e92767389bcf998e428e08e4527fa7b9204941e849a6f28c240c52c57b653777e7620210c5d024dbce0a22eda

  • SSDEEP

    24576:yxWTl+NDnZjbBxcxyGFKjL8kFzzjBh3HrYMY:lpknZHEyGw3t3cz

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

194.147.140.180:1987

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-FRNTO2

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe
    "C:\Users\Admin\AppData\Local\Temp\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2932
    • 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\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2488
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XPTpFDOlta.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XPTpFDOlta" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C4C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2516
    • C:\Users\Admin\AppData\Local\Temp\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe
      "C:\Users\Admin\AppData\Local\Temp\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    1c97e8356bb3f321842ddebf11a510a6

    SHA1

    7263e5e8c61c49e4eca7e68ddcac5afd9ba99353

    SHA256

    ebea6181f8033730a83acbb4eeabbe6bbb1168a2423364ce2b333afef8599d38

    SHA512

    0abc971c05027e62e67b0b32558e8dc86bc19a47e0f1138592519ee9bc194765c8ee1d7c6b71170cda057ccf2e85115d507b25939ec3ca113e22d0c1c10b3922

  • C:\Users\Admin\AppData\Local\Temp\tmp4C4C.tmp

    Filesize

    1KB

    MD5

    d0a7da08184f0947765e4c26ba1ed753

    SHA1

    3bf5b5dba5ea845ae8c94390762a37ecb14f7a55

    SHA256

    f6b6bb9747f19b492dfe046f8dc5d90d6683c29ec157f76939cd4be02bd89e1b

    SHA512

    96d292b9f35cb9e18b165452cc950e25a278e11fdb1e9431e7254b670796bbab4533f7e5cfa908fa193117a031b59b7ba7352c9874affb312221df2f7b02143b

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

    Filesize

    7KB

    MD5

    c1f4951e91a624b2995afd3263bbee01

    SHA1

    4df480c50390530e74b75b996fa0a9c3de9ffda3

    SHA256

    3c678fba1369240db8c9be7cfaa285ac40cfdbc4b926bf57be4c57fcb3423821

    SHA512

    06f5e23d2fdc6cd7805071cc65dd47e2d4bde9b03e0e16b31db2737b3024f51ab1389bc43061054a745f05eb9b3f7b8eda8f2641e64596a706b03ca6767377d9

  • memory/2384-84-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-89-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-117-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-115-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-114-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-59-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-29-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2384-61-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-111-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-110-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-109-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-107-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-106-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-103-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-101-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-44-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-98-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-97-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-47-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-93-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-51-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-53-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-52-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-92-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-90-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-56-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-57-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-58-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-18-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-112-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-67-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-63-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-64-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-62-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-68-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-69-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-70-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-72-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-73-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-86-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-77-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-78-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-79-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-80-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-81-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2384-83-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2488-45-0x0000000002A00000-0x0000000002A40000-memory.dmp

    Filesize

    256KB

  • memory/2488-37-0x000000006EBD0000-0x000000006F17B000-memory.dmp

    Filesize

    5.7MB

  • memory/2488-40-0x0000000002A00000-0x0000000002A40000-memory.dmp

    Filesize

    256KB

  • memory/2488-55-0x000000006EBD0000-0x000000006F17B000-memory.dmp

    Filesize

    5.7MB

  • memory/2488-43-0x000000006EBD0000-0x000000006F17B000-memory.dmp

    Filesize

    5.7MB

  • memory/2488-48-0x0000000002A00000-0x0000000002A40000-memory.dmp

    Filesize

    256KB

  • memory/2748-54-0x000000006EBD0000-0x000000006F17B000-memory.dmp

    Filesize

    5.7MB

  • memory/2748-50-0x0000000002970000-0x00000000029B0000-memory.dmp

    Filesize

    256KB

  • memory/2748-39-0x0000000002970000-0x00000000029B0000-memory.dmp

    Filesize

    256KB

  • memory/2748-35-0x000000006EBD0000-0x000000006F17B000-memory.dmp

    Filesize

    5.7MB

  • memory/2748-46-0x0000000002970000-0x00000000029B0000-memory.dmp

    Filesize

    256KB

  • memory/2748-41-0x000000006EBD0000-0x000000006F17B000-memory.dmp

    Filesize

    5.7MB

  • memory/2932-5-0x00000000053D0000-0x0000000005490000-memory.dmp

    Filesize

    768KB

  • memory/2932-2-0x0000000000A70000-0x0000000000AB0000-memory.dmp

    Filesize

    256KB

  • memory/2932-0-0x00000000013A0000-0x00000000014A0000-memory.dmp

    Filesize

    1024KB

  • memory/2932-42-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/2932-4-0x0000000000340000-0x000000000034C000-memory.dmp

    Filesize

    48KB

  • memory/2932-1-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/2932-3-0x0000000000320000-0x0000000000332000-memory.dmp

    Filesize

    72KB