Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    06-02-2025 07:27

General

  • Target

    e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe

  • Size

    988KB

  • MD5

    9bd18661e308a4403cd73d1be9c01571

  • SHA1

    fb26784d90b9c077178a3f9751c6f6ba5db47f7a

  • SHA256

    e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593

  • SHA512

    a58ca99e578339b5a4831ff044c50c25eb03cd0070eedb2d1d36b99044eb5a704974d916696d306fc603b9a72f5c2dd009a9b53daaa6534f527dc20b409c0096

  • SSDEEP

    12288:nYUvemswecl9evMNbvz1oxE70TvG4baJ8BRw95sCq8OXDFZVVpkkL4A2/I7foIG:uweubv2EgS4WF5sr5/p94A2gz/

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

2.58.56.182:2404

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-GM05WY

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe
    "C:\Users\Admin\AppData\Local\Temp\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2876
    • 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\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IKjZactouc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IKjZactouc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA92B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2660
    • C:\Users\Admin\AppData\Local\Temp\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe
      "C:\Users\Admin\AppData\Local\Temp\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA92B.tmp

    Filesize

    1KB

    MD5

    2a82860d1a3b924887e6f05ac56b8d43

    SHA1

    5575e74275e1f8403d2b012e418bd5455c360e37

    SHA256

    7073af4fc90c15fa1c1bcc79df11bed7ae5f08a7ead2671a7a6118dc71cbd997

    SHA512

    5bd733efe7c4a1e7542283a2fdcab63ff11e62a64d6b6cf0605bbf14453d5566e208be288f8258a346efd8a27f0d58da65333372b713b1d87e0042b0fbfec48a

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

    Filesize

    7KB

    MD5

    861846da9bd7cfd2234a558bd42f5bf6

    SHA1

    2ba2e8417d3fd70d92be6bd801b6f728fede4899

    SHA256

    d59762bbf309195cbb067a0072aed5885bc1287d6a99d8acb056bc3c23cc2a10

    SHA512

    229569e88ade13bc9a21ac2d169ffe3ce4395570c4558d932e326725a7639edd22db2f534fd36d9ea95541883473d70abbedbda9263655a10e4a0840eff1ee37

  • memory/1048-29-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-20-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-51-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-25-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-50-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-49-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-48-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-24-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-32-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-34-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-33-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-36-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-46-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-21-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-47-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-27-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-45-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-44-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1048-38-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-37-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-39-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-41-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-42-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1048-43-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2876-3-0x0000000000590000-0x00000000005AE000-memory.dmp

    Filesize

    120KB

  • memory/2876-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/2876-35-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-1-0x0000000000EC0000-0x0000000000FBE000-memory.dmp

    Filesize

    1016KB

  • memory/2876-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-6-0x000000000A440000-0x000000000A504000-memory.dmp

    Filesize

    784KB

  • memory/2876-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB