Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2025 07:36

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe
    "C:\Users\Admin\AppData\Local\Temp\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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:752
    • 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:2436
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IKjZactouc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA72.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:632
    • C:\Users\Admin\AppData\Local\Temp\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe
      "C:\Users\Admin\AppData\Local\Temp\e4200fd701c07fcb6e170a60baddbdeb0963f72232a2d8c2f14f1cd59853c593.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    104B

    MD5

    729ccea31f8437dd8769188002725d2d

    SHA1

    2ff2133cf73762288a99e3522670aaf17d5bcedc

    SHA256

    3f35141776d8c81303f4b6e9a22197908b1acb1918b4ebeca969288b8f648372

    SHA512

    09fad980c8a6584c6079e1cf9b3de5d6b7e83e0920303e90dab42215e44a7cca4710fea7f5a3396b38d3e233174a02941d064e52ad5f65c0369d9a082d7b0672

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dr2dqqlz.rrw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDA72.tmp

    Filesize

    1KB

    MD5

    6a2fd3a600ba19170e45cdf4f4e21cde

    SHA1

    8b94ad88d6087c8ffab452379ba1d69e105b5a19

    SHA256

    ef0f8a3291c921409542b78fc4ef326645bcb9acd04af32ac02bd08cafbdaf53

    SHA512

    80833be6b56d535ed0a12f75cdfccfedaf0c199697375196cbe03a9b471ee774a67e178139dbdc5cfafb70221f93f0fcb4555989570d124371234692e12ec6c2

  • memory/752-88-0x00000000079A0000-0x00000000079AE000-memory.dmp

    Filesize

    56KB

  • memory/752-90-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

    Filesize

    104KB

  • memory/752-94-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/752-91-0x0000000007A90000-0x0000000007A98000-memory.dmp

    Filesize

    32KB

  • memory/752-89-0x00000000079B0000-0x00000000079C4000-memory.dmp

    Filesize

    80KB

  • memory/752-77-0x0000000007970000-0x0000000007981000-memory.dmp

    Filesize

    68KB

  • memory/752-76-0x00000000079F0000-0x0000000007A86000-memory.dmp

    Filesize

    600KB

  • memory/752-15-0x0000000002B20000-0x0000000002B56000-memory.dmp

    Filesize

    216KB

  • memory/752-17-0x0000000005860000-0x0000000005E88000-memory.dmp

    Filesize

    6.2MB

  • memory/752-16-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/752-18-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/752-75-0x00000000077E0000-0x00000000077EA000-memory.dmp

    Filesize

    40KB

  • memory/752-73-0x0000000007DB0000-0x000000000842A000-memory.dmp

    Filesize

    6.5MB

  • memory/752-74-0x0000000007770000-0x000000000778A000-memory.dmp

    Filesize

    104KB

  • memory/752-23-0x0000000005510000-0x0000000005576000-memory.dmp

    Filesize

    408KB

  • memory/752-22-0x0000000005470000-0x0000000005492000-memory.dmp

    Filesize

    136KB

  • memory/752-25-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/752-26-0x0000000005E90000-0x00000000061E4000-memory.dmp

    Filesize

    3.3MB

  • memory/752-60-0x00000000073D0000-0x0000000007402000-memory.dmp

    Filesize

    200KB

  • memory/752-71-0x0000000006A00000-0x0000000006A1E000-memory.dmp

    Filesize

    120KB

  • memory/752-72-0x0000000007410000-0x00000000074B3000-memory.dmp

    Filesize

    652KB

  • memory/752-61-0x00000000756D0000-0x000000007571C000-memory.dmp

    Filesize

    304KB

  • memory/752-24-0x0000000005580000-0x00000000055E6000-memory.dmp

    Filesize

    408KB

  • memory/752-53-0x0000000006420000-0x000000000643E000-memory.dmp

    Filesize

    120KB

  • memory/752-54-0x0000000006960000-0x00000000069AC000-memory.dmp

    Filesize

    304KB

  • memory/2436-98-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2436-33-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2436-78-0x00000000756D0000-0x000000007571C000-memory.dmp

    Filesize

    304KB

  • memory/2436-20-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2436-21-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2932-32-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-57-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-105-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-27-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-56-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-28-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-55-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-107-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-104-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-31-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-106-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-103-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-102-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-30-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-101-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-100-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2932-99-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3040-8-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

    Filesize

    4KB

  • memory/3040-1-0x0000000000BD0000-0x0000000000CCE000-memory.dmp

    Filesize

    1016KB

  • memory/3040-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

    Filesize

    5.6MB

  • memory/3040-6-0x0000000005970000-0x0000000005A0C000-memory.dmp

    Filesize

    624KB

  • memory/3040-7-0x0000000005A30000-0x0000000005A4E000-memory.dmp

    Filesize

    120KB

  • memory/3040-5-0x00000000056C0000-0x00000000056CA000-memory.dmp

    Filesize

    40KB

  • memory/3040-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/3040-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

    Filesize

    4KB

  • memory/3040-4-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-10-0x0000000006C30000-0x0000000006CF4000-memory.dmp

    Filesize

    784KB

  • memory/3040-9-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-52-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB