Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 07:09

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 15 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:4900
    • 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:2272
    • 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:4656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VdrrjnwYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp75D7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1060
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2548
    • 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=4164,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:8
      1⤵
        PID:3956

      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

        7d43201ad0ae719adc84a9817193179b

        SHA1

        5b031457ed28b2826bec825830a0b4e1d5d717c9

        SHA256

        c15c1ea3e0abe554891672b29f10c385bcfadeee518b4a53176c6ed6d0c9204d

        SHA512

        9ae77d7906bad411ae830572c8c671bc4ebde49fe7064e8999523db8d0eb14cb0a12d43d2b7984de3dc253a13bd111b920daaafd95642c15a92aa76d95ba7a11

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nuzlvrrt.nvs.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp75D7.tmp

        Filesize

        1KB

        MD5

        f25ed124a5a39d8186aaebce2c68da90

        SHA1

        33aecc115f1e271310e97b2d413d362b62174d97

        SHA256

        0db8f0bcb1daef00e398ae4ea562483b988a31afa79bacbfd23219c2053eef87

        SHA512

        102ff5b5069d57c301c47f793ece2981905e0f8038a21d6801be7d646a2e0f7b1a0b6272b09fd28f6ba3c5cae71c5b4e346387a4ddb6c299e8fed8682c170deb

      • memory/2272-54-0x00000000064C0000-0x00000000064DE000-memory.dmp

        Filesize

        120KB

      • memory/2272-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/2272-78-0x00000000074C0000-0x0000000007563000-memory.dmp

        Filesize

        652KB

      • memory/2272-68-0x0000000007440000-0x000000000745E000-memory.dmp

        Filesize

        120KB

      • memory/2272-57-0x0000000075480000-0x00000000754CC000-memory.dmp

        Filesize

        304KB

      • memory/2272-55-0x00000000064F0000-0x000000000653C000-memory.dmp

        Filesize

        304KB

      • memory/2272-27-0x0000000005CE0000-0x0000000005D46000-memory.dmp

        Filesize

        408KB

      • memory/2272-15-0x0000000004F20000-0x0000000004F56000-memory.dmp

        Filesize

        216KB

      • memory/2272-17-0x0000000005590000-0x0000000005BB8000-memory.dmp

        Filesize

        6.2MB

      • memory/2272-79-0x0000000007E40000-0x00000000084BA000-memory.dmp

        Filesize

        6.5MB

      • memory/2272-82-0x0000000007A70000-0x0000000007B06000-memory.dmp

        Filesize

        600KB

      • memory/2272-18-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/2272-36-0x0000000005F80000-0x00000000062D4000-memory.dmp

        Filesize

        3.3MB

      • memory/2272-21-0x0000000005C30000-0x0000000005C52000-memory.dmp

        Filesize

        136KB

      • memory/2272-28-0x0000000005D50000-0x0000000005DB6000-memory.dmp

        Filesize

        408KB

      • memory/2272-94-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/2272-34-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/2548-125-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-132-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-153-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-31-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-33-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-40-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-152-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-151-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-37-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-150-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-149-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-148-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-147-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-146-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-145-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-144-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-143-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-142-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-141-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-140-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-139-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-138-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-137-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-136-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-135-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-134-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-133-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-30-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-131-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-130-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-95-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-96-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-97-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-98-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-99-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-100-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-101-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-102-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-103-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-104-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-105-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-106-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-107-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-108-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-109-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-110-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-111-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-112-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-113-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-114-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-115-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-116-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-117-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-118-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-119-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-120-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-121-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-122-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-123-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-124-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-129-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-126-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-127-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2548-128-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4656-80-0x00000000073C0000-0x00000000073DA000-memory.dmp

        Filesize

        104KB

      • memory/4656-93-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/4656-29-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/4656-39-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/4656-20-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/4656-87-0x00000000076E0000-0x00000000076E8000-memory.dmp

        Filesize

        32KB

      • memory/4656-86-0x0000000007700000-0x000000000771A000-memory.dmp

        Filesize

        104KB

      • memory/4656-63-0x0000000075480000-0x00000000754CC000-memory.dmp

        Filesize

        304KB

      • memory/4656-84-0x00000000075F0000-0x00000000075FE000-memory.dmp

        Filesize

        56KB

      • memory/4656-83-0x00000000075C0000-0x00000000075D1000-memory.dmp

        Filesize

        68KB

      • memory/4656-56-0x0000000007010000-0x0000000007042000-memory.dmp

        Filesize

        200KB

      • memory/4656-81-0x0000000007430000-0x000000000743A000-memory.dmp

        Filesize

        40KB

      • memory/4656-85-0x0000000007600000-0x0000000007614000-memory.dmp

        Filesize

        80KB

      • memory/4900-3-0x00000000053A0000-0x0000000005432000-memory.dmp

        Filesize

        584KB

      • memory/4900-1-0x00000000008E0000-0x00000000009CA000-memory.dmp

        Filesize

        936KB

      • memory/4900-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/4900-7-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

        Filesize

        4KB

      • memory/4900-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/4900-6-0x0000000006A20000-0x0000000006A38000-memory.dmp

        Filesize

        96KB

      • memory/4900-9-0x0000000006540000-0x0000000006600000-memory.dmp

        Filesize

        768KB

      • memory/4900-10-0x0000000008E70000-0x0000000008F0C000-memory.dmp

        Filesize

        624KB

      • memory/4900-5-0x0000000005470000-0x000000000547A000-memory.dmp

        Filesize

        40KB

      • memory/4900-44-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        Filesize

        7.7MB

      • memory/4900-2-0x0000000005A60000-0x0000000006004000-memory.dmp

        Filesize

        5.6MB

      • memory/4900-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

        Filesize

        4KB