Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2024 01:22

General

  • Target

    2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe

  • Size

    904KB

  • MD5

    38b63c968b2733cef310a6df2dcfa478

  • SHA1

    bbbb4dcf4ecc6364af54480929d430da1c460a13

  • SHA256

    2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d

  • SHA512

    ab9486482bfae4c5a86a5d3dbe9aa47b003d9d74965b5fbd24f72a30ee1bd5a34a75cbcecff98aa3852e7c2019a582f8633bc1c8d762a65ef9084fb00791f3da

  • SSDEEP

    24576:CRv6SSp2ReQ/tOsbwHsIS7NjkDpGrWbv8MXK:CJZeQcsUHPSZjkDpcWb3

Malware Config

Extracted

Family

remcos

Botnet

5764576

C2

172.93.218.178:45667

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

    765-XJJE0J

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 4 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe
    "C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TlykqEvmBV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2852
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TlykqEvmBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E15.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2632
    • C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe
      "C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"
      2⤵
        PID:2652
      • C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe
        "C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp7E15.tmp

      Filesize

      1KB

      MD5

      4ec6c64382acd7017638878f8df19032

      SHA1

      ddc80297b231b680a318f8f0950d0c68e7aa8b5f

      SHA256

      9a831dbc13b14a00910469967d6c006f34a0fe2fd16cea478b57d89cd3c22aa3

      SHA512

      809a3a30133d584fbf14e229f2ee7dc907cb108586d63288400a44ffe0d6a63c6218499e12223905855336c811a2cd37be8a69407ed11bb883ba7ba3d7abaf63

    • memory/2180-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

      Filesize

      4KB

    • memory/2180-1-0x0000000000160000-0x0000000000248000-memory.dmp

      Filesize

      928KB

    • memory/2180-2-0x0000000074BB0000-0x000000007529E000-memory.dmp

      Filesize

      6.9MB

    • memory/2180-3-0x00000000005E0000-0x00000000005FA000-memory.dmp

      Filesize

      104KB

    • memory/2180-4-0x0000000001E80000-0x0000000001E8E000-memory.dmp

      Filesize

      56KB

    • memory/2180-5-0x0000000005430000-0x00000000054EE000-memory.dmp

      Filesize

      760KB

    • memory/2180-34-0x0000000074BB0000-0x000000007529E000-memory.dmp

      Filesize

      6.9MB

    • memory/2828-19-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-13-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-28-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2828-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-23-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-21-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-17-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-15-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-30-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-11-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-36-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-35-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-42-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-43-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-47-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2828-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB