Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2025, 15:56

General

  • Target

    RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe

  • Size

    1.0MB

  • MD5

    e48ca032affdeea3ee88874ed39c4dcd

  • SHA1

    ca3e925e87dc3bc5bd1878bc9d74cd709d7a9622

  • SHA256

    21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9

  • SHA512

    4a727c97e2af20c296f01f89953fc20908d628cc97c4fa372d15d003427c5f0e2b2146d214df4a22b8b62fb46f121df0021cb18056bfba6c7ec824c892b3da53

  • SSDEEP

    24576:D+wIZTFg2BK8sgD08CwrjYFMIzsBk6tkAfiRN+BU:D+wIZTOBRgDhnY2M6tV6RND

Malware Config

Extracted

Family

remcos

Botnet

FEB 09

C2

oktoviyanto.ddns.net:9373

103.186.117.61:9373

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-Z2L02T

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5612460560:AAHyXkizBwpknHBFsEt3GDIwhLylabAVwjM/

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe
    "C:\Users\Admin\AppData\Local\Temp\RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.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:4048
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cxLZERvGna.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3456
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cxLZERvGna" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD4B5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3664
    • C:\Users\Admin\AppData\Local\Temp\RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe
      "C:\Users\Admin\AppData\Local\Temp\RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4264
      • C:\Users\Admin\AppData\Local\Temp\dwn.exe
        "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4260
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzAwMDM3NzUyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:3704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    52a3a32f6d19eb3c68f8140039fd9653

    SHA1

    6bee4082cfa655d969d7414b765835fa87c844f1

    SHA256

    5cdbe670aacdc8edec086c7889e6d255af19546f43b40f23f42c134425911042

    SHA512

    0e467c6157e383d659fd28beac56523c57cce39eb7627c684269a448ccea48650155324ef3c21eec1e19d2d4a7187a3a6059a8b43fed511d80528b60ed4eed26

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ef1w1tsw.hjy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\dwn.exe

    Filesize

    169KB

    MD5

    accfb066306c95fea0ed42dc99df1634

    SHA1

    62388a3475c431ab70037b54b4e86caf61bbb55c

    SHA256

    e6720928ea03235a4a2ae2183d8e82483eab11c5d77ec554ca3d85cc69d244b2

    SHA512

    f31c70abb5faae8ae361c19ffcb96d83c4fb21e092119c60073a81e0a2400a17bb1bce0481263ff1275b63f3e86659779bbdca406970fc95c4118e5810405296

  • C:\Users\Admin\AppData\Local\Temp\tmpD4B5.tmp

    Filesize

    1KB

    MD5

    52157f686194d246d9c5461f69ae974b

    SHA1

    56224bc9e96772ed860e4868a38a63024757df71

    SHA256

    fca7bebb70d2357d729723636555aed36cf5bdf4f0a47d7ba9b0792af6d48dda

    SHA512

    042cf9e93dd8ce19e83b68bdb11af5b0d2778236ad60bc6d7bd23798508074a9c373579126c2fdd799ab77488cd0f64ad2b49c279323dc5e9e7ae51e92788160

  • memory/3456-58-0x0000000006790000-0x00000000067AE000-memory.dmp

    Filesize

    120KB

  • memory/3456-20-0x00000000051D0000-0x0000000005236000-memory.dmp

    Filesize

    408KB

  • memory/3456-78-0x0000000073B40000-0x00000000742F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3456-70-0x0000000007830000-0x0000000007838000-memory.dmp

    Filesize

    32KB

  • memory/3456-69-0x0000000007850000-0x000000000786A000-memory.dmp

    Filesize

    104KB

  • memory/3456-60-0x0000000007B60000-0x00000000081DA000-memory.dmp

    Filesize

    6.5MB

  • memory/3456-67-0x0000000007740000-0x000000000774E000-memory.dmp

    Filesize

    56KB

  • memory/3456-15-0x0000000002910000-0x0000000002946000-memory.dmp

    Filesize

    216KB

  • memory/3456-16-0x0000000073B40000-0x00000000742F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3456-17-0x0000000005530000-0x0000000005B58000-memory.dmp

    Filesize

    6.2MB

  • memory/3456-64-0x0000000007710000-0x0000000007721000-memory.dmp

    Filesize

    68KB

  • memory/3456-21-0x0000000005240000-0x00000000052A6000-memory.dmp

    Filesize

    408KB

  • memory/3456-63-0x0000000007790000-0x0000000007826000-memory.dmp

    Filesize

    600KB

  • memory/3456-31-0x0000000005B60000-0x0000000005EB4000-memory.dmp

    Filesize

    3.3MB

  • memory/3456-62-0x0000000007590000-0x000000000759A000-memory.dmp

    Filesize

    40KB

  • memory/3456-59-0x00000000071C0000-0x0000000007263000-memory.dmp

    Filesize

    652KB

  • memory/3456-42-0x0000000073B40000-0x00000000742F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3456-68-0x0000000007750000-0x0000000007764000-memory.dmp

    Filesize

    80KB

  • memory/3456-29-0x0000000073B40000-0x00000000742F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3456-44-0x00000000061F0000-0x000000000620E000-memory.dmp

    Filesize

    120KB

  • memory/3456-45-0x00000000062B0000-0x00000000062FC000-memory.dmp

    Filesize

    304KB

  • memory/3456-61-0x0000000007510000-0x000000000752A000-memory.dmp

    Filesize

    104KB

  • memory/3456-48-0x00000000725A0000-0x00000000725EC000-memory.dmp

    Filesize

    304KB

  • memory/3456-47-0x00000000067D0000-0x0000000006802000-memory.dmp

    Filesize

    200KB

  • memory/3456-19-0x0000000005130000-0x0000000005152000-memory.dmp

    Filesize

    136KB

  • memory/4048-41-0x0000000073B40000-0x00000000742F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-6-0x00000000058F0000-0x000000000590E000-memory.dmp

    Filesize

    120KB

  • memory/4048-1-0x00000000009E0000-0x0000000000AEC000-memory.dmp

    Filesize

    1.0MB

  • memory/4048-10-0x000000000C4D0000-0x000000000C56C000-memory.dmp

    Filesize

    624KB

  • memory/4048-8-0x0000000073B40000-0x00000000742F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-5-0x0000000073B40000-0x00000000742F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-7-0x0000000073B4E000-0x0000000073B4F000-memory.dmp

    Filesize

    4KB

  • memory/4048-0-0x0000000073B4E000-0x0000000073B4F000-memory.dmp

    Filesize

    4KB

  • memory/4048-2-0x0000000005990000-0x0000000005F34000-memory.dmp

    Filesize

    5.6MB

  • memory/4048-3-0x00000000054C0000-0x0000000005552000-memory.dmp

    Filesize

    584KB

  • memory/4048-9-0x0000000006A80000-0x0000000006B40000-memory.dmp

    Filesize

    768KB

  • memory/4048-4-0x0000000005570000-0x000000000557A000-memory.dmp

    Filesize

    40KB

  • memory/4260-93-0x0000000000660000-0x0000000000690000-memory.dmp

    Filesize

    192KB

  • memory/4260-98-0x0000000006B70000-0x0000000006BC0000-memory.dmp

    Filesize

    320KB

  • memory/4260-99-0x0000000006D90000-0x0000000006F52000-memory.dmp

    Filesize

    1.8MB

  • memory/4264-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-94-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-113-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-114-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-122-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-123-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-126-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-131-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-132-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-139-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4264-140-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB