Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 01:11

General

  • Target

    6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe

  • Size

    914KB

  • MD5

    57c246dd2b2221edbfd54ff9246a0099

  • SHA1

    3e4dc6e19407ff041b25629082a90382be7b957f

  • SHA256

    6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96

  • SHA512

    5a49e14dfaa8b6f53bc9e5da299f43d199389ded897c9a23ec6615c396bc83e6589787f0704fa097c395296d643fd0b6b3e83dbdddad385d2ee5af5825cea9e2

  • SSDEEP

    24576:+Eb5NCjPBS2nv0frerFWM+u848EUjooYgyUKHdw:N5N+5S2nv0fKxIuRUjoSK

Malware Config

Extracted

Family

remcos

Botnet

throttle_8967

C2

154.216.18.217:8967

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-4SV4HO

  • 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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 4 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
    "C:\Users\Admin\AppData\Local\Temp\6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1576
    • 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\6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:932
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VdrrjnwYc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4976
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VdrrjnwYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA14.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4440
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:4632
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4512,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4500 /prefetch:8
      1⤵
        PID:2152

      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

        18KB

        MD5

        1a47742dc13ce54a3cd3433874f2991e

        SHA1

        111a0ab42f42b82dc102508c35279784d6f601e2

        SHA256

        74db052c08cd689272fc34f27fae60bc5ad700de3dd934884953055ebbca91b4

        SHA512

        1bc4b6eaad7b76c48dfd6d626da5e988db95518effba354784f9646a41e0ee621c520eb8406c0812538d794353bcc3ae240458f2b89013280216edb039dc3c6c

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vrijriw5.y0n.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpBA14.tmp

        Filesize

        1KB

        MD5

        f25ed124a5a39d8186aaebce2c68da90

        SHA1

        33aecc115f1e271310e97b2d413d362b62174d97

        SHA256

        0db8f0bcb1daef00e398ae4ea562483b988a31afa79bacbfd23219c2053eef87

        SHA512

        102ff5b5069d57c301c47f793ece2981905e0f8038a21d6801be7d646a2e0f7b1a0b6272b09fd28f6ba3c5cae71c5b4e346387a4ddb6c299e8fed8682c170deb

      • memory/932-82-0x0000000007A30000-0x0000000007A41000-memory.dmp

        Filesize

        68KB

      • memory/932-24-0x0000000005DA0000-0x0000000005E06000-memory.dmp

        Filesize

        408KB

      • memory/932-54-0x00000000074C0000-0x00000000074F2000-memory.dmp

        Filesize

        200KB

      • memory/932-78-0x0000000007830000-0x000000000784A000-memory.dmp

        Filesize

        104KB

      • memory/932-76-0x0000000007500000-0x00000000075A3000-memory.dmp

        Filesize

        652KB

      • memory/932-77-0x0000000007E80000-0x00000000084FA000-memory.dmp

        Filesize

        6.5MB

      • memory/932-93-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/932-19-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/932-22-0x0000000005550000-0x0000000005572000-memory.dmp

        Filesize

        136KB

      • memory/932-55-0x000000006F360000-0x000000006F3AC000-memory.dmp

        Filesize

        304KB

      • memory/932-23-0x0000000005D30000-0x0000000005D96000-memory.dmp

        Filesize

        408KB

      • memory/932-85-0x0000000007B70000-0x0000000007B8A000-memory.dmp

        Filesize

        104KB

      • memory/932-86-0x0000000007B50000-0x0000000007B58000-memory.dmp

        Filesize

        32KB

      • memory/932-18-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/932-17-0x00000000055D0000-0x0000000005BF8000-memory.dmp

        Filesize

        6.2MB

      • memory/932-34-0x0000000005F10000-0x0000000006264000-memory.dmp

        Filesize

        3.3MB

      • memory/932-15-0x0000000004F60000-0x0000000004F96000-memory.dmp

        Filesize

        216KB

      • memory/932-16-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/1576-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

        Filesize

        584KB

      • memory/1576-10-0x00000000088F0000-0x000000000898C000-memory.dmp

        Filesize

        624KB

      • memory/1576-9-0x0000000005FE0000-0x00000000060A0000-memory.dmp

        Filesize

        768KB

      • memory/1576-8-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/1576-7-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

        Filesize

        4KB

      • memory/1576-6-0x00000000064B0000-0x00000000064C8000-memory.dmp

        Filesize

        96KB

      • memory/1576-4-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

        Filesize

        40KB

      • memory/1576-53-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/1576-5-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/1576-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

        Filesize

        5.6MB

      • memory/1576-1-0x0000000000360000-0x000000000044A000-memory.dmp

        Filesize

        936KB

      • memory/1576-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

        Filesize

        4KB

      • memory/4632-97-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-114-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-152-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-151-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-150-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-149-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-148-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-81-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-48-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-147-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-146-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-50-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-47-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-46-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-145-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-144-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-143-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-94-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-95-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-96-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-142-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-98-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-99-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-100-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-101-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-102-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-103-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-104-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-105-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-106-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-107-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-108-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-109-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-110-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-111-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-112-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-113-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-141-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-115-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-116-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-117-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-118-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-119-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-120-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-121-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-122-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-123-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-124-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-125-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-126-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-127-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-128-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-129-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-130-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-131-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-132-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-133-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-134-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-135-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-136-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-137-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-138-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-139-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4632-140-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4976-68-0x0000000007420000-0x000000000743E000-memory.dmp

        Filesize

        120KB

      • memory/4976-21-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4976-35-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4976-92-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4976-36-0x0000000074A10000-0x00000000751C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4976-84-0x00000000079D0000-0x00000000079E4000-memory.dmp

        Filesize

        80KB

      • memory/4976-83-0x00000000079C0000-0x00000000079CE000-memory.dmp

        Filesize

        56KB

      • memory/4976-80-0x0000000007A10000-0x0000000007AA6000-memory.dmp

        Filesize

        600KB

      • memory/4976-79-0x0000000007800000-0x000000000780A000-memory.dmp

        Filesize

        40KB

      • memory/4976-52-0x00000000066D0000-0x000000000671C000-memory.dmp

        Filesize

        304KB

      • memory/4976-51-0x0000000006470000-0x000000000648E000-memory.dmp

        Filesize

        120KB

      • memory/4976-56-0x000000006F360000-0x000000006F3AC000-memory.dmp

        Filesize

        304KB