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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2025, 14:59

General

  • Target

    905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe

  • Size

    1.0MB

  • MD5

    67b86e9595c2d0d2f44454ec239fda56

  • SHA1

    1a44600a7b4e010174d99c152dc20fef1d84061a

  • SHA256

    905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04

  • SHA512

    73fb542c826f8e75683e7944f0f616d2317d17c5cc153610e7d2107c6da7458da00c89e797aa4f59c92d92095dcf884ef9474cf7ac5dcc4bf526aa8389486604

  • SSDEEP

    24576:BHAXaxESQklIlQcZrVs+3FvrVOuHvKYKrVFmdGp7N1/TBt:BgAlFUrv3FjwuPKYaGK/t

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.241.208.87:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-7DRXD9

  • 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
  • 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.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
    "C:\Users\Admin\AppData\Local\Temp\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • 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\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hVWuVAdS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hVWuVAdS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3ADE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
      "C:\Users\Admin\AppData\Local\Temp\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3ADE.tmp

    Filesize

    1KB

    MD5

    64b5d5e37066ef628903f8d67ae59d28

    SHA1

    4408eb492b962d4132f58f7bc1cf836d0df5b672

    SHA256

    48195692d9f0c547c0b19d0426319dcf31e1ed7f24a23a7bb7aac203d21cbc71

    SHA512

    eddfc10f3ba4663a9ecb5a172402c87204149c1585b41a7b1577710e171f832dc8327f0a38c7f3e6ff327ade663cb9d5f21b8d3bca0aec2e6d32169615610e7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\P8KFP6LDLNRMCB688NBF.temp

    Filesize

    7KB

    MD5

    1fa68c21d21c1f58445cb77e754dec70

    SHA1

    eb7cd9ecaa5e5348bd0d7262f923c616da196f42

    SHA256

    8cd4003b134c0fd895461153af035e2e4a9992d21b248f1c10d60b57cc485fa1

    SHA512

    58657081318885866fec22537eec77556105044392d35c62aef386d55673d3e95b9b11c5e180a4dfda8c4a66062b968775fceed2783ae98ce69ff70d58a209ef

  • memory/2188-0-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/2188-1-0x00000000010B0000-0x00000000011BC000-memory.dmp

    Filesize

    1.0MB

  • memory/2188-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-3-0x0000000000900000-0x0000000000918000-memory.dmp

    Filesize

    96KB

  • memory/2188-4-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/2188-5-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-6-0x0000000004E00000-0x0000000004EC2000-memory.dmp

    Filesize

    776KB

  • memory/2188-36-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2896-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2896-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2896-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB