Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2024 04:46

General

  • Target

    HDEBERTAD3423.exe

  • Size

    1.0MB

  • MD5

    7f409fdbf293c9c3ce17a1e540739e24

  • SHA1

    ae25b94e4e8c95a5439947b195b1bd2d2f07fa7a

  • SHA256

    52183f225975e6fa1a0c7f7917d43911deccf1375e4defa83852d06cb39c5d61

  • SHA512

    1ff2d45f978b3d5b67e7dfdb717abcb6a2fc745feeade7308a6798baf8e0f9509078f9b4ff4ea7431184fa31b01fc26a8c0af6981d098849cc9c4743d4b17b58

  • SSDEEP

    12288:WurSY+aZrwrmN+wYku7+yY++DSYOfGrT2LcdgrVrvFuVCJVuH71vilSeM93g:p/4rmNNtmY8YORwiPuVCnuH7hwm93

Malware Config

Extracted

Family

remcos

Botnet

BAREATA

C2

94.156.69.174:7459

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-7AD3IP

  • 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.

  • 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 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\HDEBERTAD3423.exe
    "C:\Users\Admin\AppData\Local\Temp\HDEBERTAD3423.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • 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\HDEBERTAD3423.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2152
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AEDsxJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AEDsxJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5783.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2728
    • C:\Users\Admin\AppData\Local\Temp\HDEBERTAD3423.exe
      "C:\Users\Admin\AppData\Local\Temp\HDEBERTAD3423.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    0f572dc1e95faad909065b9f74ae18a5

    SHA1

    1979dc395580efc3143d3527ecae27c93690f668

    SHA256

    44b8ea1e75b8d48bde9374cfe5ab2d4ec5828ddf890ec3d19d44ebd45fa206bf

    SHA512

    fcb1d133bb98c5b4fd3d20ee2c691943f8d93ffba3a840e4313720e49e280e9884c2724eab2be92f7b43f96859df21d6c5336374c76dde0128d95eb4fb77c0b0

  • C:\Users\Admin\AppData\Local\Temp\tmp5783.tmp

    Filesize

    1KB

    MD5

    f4ec93dc7a7445dbf808308a54642adb

    SHA1

    5c9fa8ef734db6b64d4d78d6f4fe183c4e5d3462

    SHA256

    ba89af16722b5d693b7ff32abf911d97f87ab1517a665fb55d965ec70d19610a

    SHA512

    88aaf218626fe87574d42b9e046810b9da9900a8c9e931d5e0089ab1264913e604e368387e4b4f6d3caeff1dfa507aea7c4e927ca56dc1ecb58c2f52a0d2dacb

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

    Filesize

    7KB

    MD5

    8e16b85d815cfc25b60a2cbb8a0a3fe4

    SHA1

    3cadd13600fc866ad72403d063aafeb50a495a62

    SHA256

    660a4084e2e30dbf6e2e8c5e7f0a1368d1bea314856b531b8fd17da322721678

    SHA512

    c49ca17f4dddadf5dfbf3a199256686ed7fd7cce182e4c39b58e89410345da3cf4f127f7461ae93375be6ded00500e0bac95536f2d42255a15d72dff1e73d30f

  • memory/2352-43-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-2-0x00000000003B0000-0x00000000003C2000-memory.dmp

    Filesize

    72KB

  • memory/2352-1-0x0000000000E80000-0x0000000000F88000-memory.dmp

    Filesize

    1.0MB

  • memory/2352-0-0x000000007409E000-0x000000007409F000-memory.dmp

    Filesize

    4KB

  • memory/2352-4-0x0000000000570000-0x000000000057A000-memory.dmp

    Filesize

    40KB

  • memory/2352-5-0x0000000000860000-0x000000000086E000-memory.dmp

    Filesize

    56KB

  • memory/2352-6-0x0000000004CF0000-0x0000000004DB0000-memory.dmp

    Filesize

    768KB

  • memory/2352-3-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-44-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-29-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-38-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-41-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-37-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-45-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-51-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-52-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-59-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-60-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-67-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-68-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-76-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-75-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-83-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2604-84-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB