Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 03:12

General

  • Target

    e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe

  • Size

    893KB

  • MD5

    c016b06a4942455df9ce8a58b72bcc90

  • SHA1

    dba52afe33451c444fd5cf3c6aca9d2ced768d2c

  • SHA256

    e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c

  • SHA512

    961475a98cfdc14a29725b43c1807a3eda08a2257f50d216375faf262880ce39cf7847d00263d00fd1ce032ad14fbb003b3ab1e78bbd25b3a644f3d6746168fe

  • SSDEEP

    24576:WNo7gN9rqhq/5UqutCi1BDUTskujqA5pd6p3MFHdIvYV:QL2hq/6q1i1h4v3A5pdSOWvY

Malware Config

Extracted

Family

remcos

Botnet

cee

C2

cee.work.gd:2531

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    vlc

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    ios

  • mouse_option

    false

  • mutex

    gig-1IH5DX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    sos

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe
    "C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • 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\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xASiLfzXONGIW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xASiLfzXONGIW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2752
    • C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe
      "C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe"
      2⤵
        PID:2652
      • C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe
        "C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\ios\logs.dat

      Filesize

      144B

      MD5

      b2c42c8cc1f57895ea02238002f545a9

      SHA1

      6558ead87d47eca56102e2a2039cbc30142a8ef5

      SHA256

      d456f8b1bd25fb994e47c3e8371b485392f50ec9da781cbd9c0b647b069a2cbb

      SHA512

      2dd127bc4ba955100c16e389ec5c6b85709fcf25662fa2340db66015b561a48701189fc19670a4f5de23a49cdbb7682bf86ba57aaa4a95ff713e988e397f1091

    • C:\Users\Admin\AppData\Local\Temp\tmpD0B.tmp

      Filesize

      1KB

      MD5

      9fab27e9cd63b1aea1261ea3b621bda3

      SHA1

      7f3ad2191408893608e7a34c510492e62519546d

      SHA256

      1ac63b90f3e6ae757e50dc27b7eb11fe5de645ff2de8eda23dc4ed9971566ba0

      SHA512

      9739452fec629833c021b0b83cd738adf3d5e634a91c2e3ae664e1a99853817e4a762272b767fcca300c71a7bfccb1be68375932e7fcffd58ddb1676d351961b

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZLZ8Z0YZJVZ4729V058B.temp

      Filesize

      7KB

      MD5

      8f47a02cbe539a898b045d0602a34066

      SHA1

      8624e47a383b83573736fceca43004bdbd377b39

      SHA256

      42024de863dc48de093ad05774df4abd201694ad8ef31668629feb15fc1082fc

      SHA512

      b7928a11b1760c9fac9b29a12cb6457aa1559ca8d4ee746313a0427880c0d0b27d4df51d3e3c3624575cbb4349f55ef07eb3caf0a9b0f79303a6e678d90a4766

    • memory/2084-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

      Filesize

      4KB

    • memory/2084-1-0x00000000002C0000-0x00000000003A6000-memory.dmp

      Filesize

      920KB

    • memory/2084-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2084-3-0x00000000742DE000-0x00000000742DF000-memory.dmp

      Filesize

      4KB

    • memory/2084-4-0x00000000003C0000-0x00000000003D2000-memory.dmp

      Filesize

      72KB

    • memory/2084-5-0x00000000742D0000-0x00000000749BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2084-6-0x00000000050E0000-0x00000000051A0000-memory.dmp

      Filesize

      768KB

    • memory/2084-43-0x00000000742D0000-0x00000000749BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2964-36-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-38-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-23-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2964-33-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-42-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-21-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-19-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-56-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-55-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-64-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-63-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-71-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2964-72-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB