Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 07:18

General

  • Target

    7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe

  • Size

    924KB

  • MD5

    8fd5f061761645838e92744a0722f87d

  • SHA1

    565a31f86b886a26cc8c10ce3780a256e4157f55

  • SHA256

    7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9

  • SHA512

    8d67b4408e987f2cf6fcd938058b2179bb36a703990c52b7a1cfc6058a4b568d7785a321782a0c2107091a1622e3f57e04a6109f851471e7f7064bda7b007122

  • SSDEEP

    24576:K9o/NseOLSe+/1k38m8IyfhFTG7KQTCaAhkqG72:K2JarEZytpMGq

Malware Config

Extracted

Family

remcos

Botnet

mekus

C2

dpm-sael.com:2017

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

    meckus-ODY51K

  • 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.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
    "C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4832
    • 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\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2368
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pNamqURus.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:980
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pNamqURus" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEAFC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3552
    • C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
      "C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    c6d3d6a3b8e7a261de335e55f6474a73

    SHA1

    9b0269e4cd9b2370c4f30177ef7b2cbd2b34075a

    SHA256

    350c39be45baa5d2ccacd507efc62189e88ec6a3f46774ef6f0d8715f30d30b0

    SHA512

    e8309f6491aaf735826a1ef47392e6b594fac0c1e3dd4f25c94e563e685fe017bee4d65dfb783c7dac2f8b73abaa3b5daff059e19e0a64bf84c0b02beb97b74c

  • 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

    18KB

    MD5

    2e60c588668197a67be88edfe80c3521

    SHA1

    8e917383a71426f2c61c04e206042f1e6d19a4ba

    SHA256

    ec0a8f45c71da2798aec96b98e486f93f2b681512b78b4b1deb6521c60a4d746

    SHA512

    94f7cdd44dbf3657d53449c5c7729b1cdf98bab6625bdd8952bc3a6f0a87df7a23295ce281a934e0afca4ea017915d9a2f6275af0eefc66d669b50587b7104e4

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mvnmjjg1.1uw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    1KB

    MD5

    8563a3165173cd5aa61322ac6a8ae591

    SHA1

    6c5892b13342580956961980a559174b8de11f4a

    SHA256

    279e8a30b9db6884153af659872cda59b574949f8e32d866c77c6ca0519141f4

    SHA512

    42b3511cac3e78d946b8d287a32c0cafb5d5f2564f01de9d8577112f26f505e659f0c891898c26daf0f5a3299402055f60583f2d339bb33ea2acb217bef345e7

  • memory/980-19-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/980-96-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/980-89-0x0000000007700000-0x0000000007708000-memory.dmp

    Filesize

    32KB

  • memory/980-87-0x0000000007620000-0x0000000007634000-memory.dmp

    Filesize

    80KB

  • memory/980-68-0x000000006F8A0000-0x000000006F8EC000-memory.dmp

    Filesize

    304KB

  • memory/980-35-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/980-45-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2056-100-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-85-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-170-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-169-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-168-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-166-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-46-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-48-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-165-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-52-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-49-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-109-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-164-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-162-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-161-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-160-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-158-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-157-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-156-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-55-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-154-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-111-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-153-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-152-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-150-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-149-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-148-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-147-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-145-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-144-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-142-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-125-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-141-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-140-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-139-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-137-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-136-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-134-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-133-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-108-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-97-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-99-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-132-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-102-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-103-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-104-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-105-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-107-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-131-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-129-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-128-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-112-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-113-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-127-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-115-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-116-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-117-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-119-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-120-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-121-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-123-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2056-124-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2368-79-0x0000000007430000-0x00000000074D3000-memory.dmp

    Filesize

    652KB

  • memory/2368-41-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-20-0x0000000005390000-0x00000000053B2000-memory.dmp

    Filesize

    136KB

  • memory/2368-34-0x0000000005CA0000-0x0000000005FF4000-memory.dmp

    Filesize

    3.3MB

  • memory/2368-16-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-17-0x00000000053F0000-0x0000000005A18000-memory.dmp

    Filesize

    6.2MB

  • memory/2368-95-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-18-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-22-0x0000000005C30000-0x0000000005C96000-memory.dmp

    Filesize

    408KB

  • memory/2368-15-0x0000000004CA0000-0x0000000004CD6000-memory.dmp

    Filesize

    216KB

  • memory/2368-88-0x00000000078C0000-0x00000000078DA000-memory.dmp

    Filesize

    104KB

  • memory/2368-54-0x0000000006240000-0x000000000625E000-memory.dmp

    Filesize

    120KB

  • memory/2368-86-0x00000000077B0000-0x00000000077BE000-memory.dmp

    Filesize

    56KB

  • memory/2368-84-0x0000000007780000-0x0000000007791000-memory.dmp

    Filesize

    68KB

  • memory/2368-83-0x0000000007800000-0x0000000007896000-memory.dmp

    Filesize

    600KB

  • memory/2368-82-0x00000000075F0000-0x00000000075FA000-memory.dmp

    Filesize

    40KB

  • memory/2368-81-0x0000000007580000-0x000000000759A000-memory.dmp

    Filesize

    104KB

  • memory/2368-80-0x0000000007BC0000-0x000000000823A000-memory.dmp

    Filesize

    6.5MB

  • memory/2368-21-0x0000000005A90000-0x0000000005AF6000-memory.dmp

    Filesize

    408KB

  • memory/2368-57-0x00000000073E0000-0x0000000007412000-memory.dmp

    Filesize

    200KB

  • memory/2368-58-0x000000006F8A0000-0x000000006F8EC000-memory.dmp

    Filesize

    304KB

  • memory/2368-77-0x0000000006800000-0x000000000681E000-memory.dmp

    Filesize

    120KB

  • memory/2368-56-0x00000000062D0000-0x000000000631C000-memory.dmp

    Filesize

    304KB

  • memory/4832-1-0x0000000000AA0000-0x0000000000B8C000-memory.dmp

    Filesize

    944KB

  • memory/4832-53-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-10-0x00000000092F0000-0x000000000938C000-memory.dmp

    Filesize

    624KB

  • memory/4832-9-0x0000000006A40000-0x0000000006B00000-memory.dmp

    Filesize

    768KB

  • memory/4832-8-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/4832-6-0x0000000005880000-0x0000000005890000-memory.dmp

    Filesize

    64KB

  • memory/4832-4-0x0000000005730000-0x000000000573A000-memory.dmp

    Filesize

    40KB

  • memory/4832-5-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

    Filesize

    5.6MB

  • memory/4832-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/4832-3-0x0000000005570000-0x0000000005602000-memory.dmp

    Filesize

    584KB