Analysis
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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
Static task
static1
Behavioral task
behavioral1
Sample
RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe
Resource
win10v2004-20250207-en
General
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Target
RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe
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Size
1.0MB
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MD5
e48ca032affdeea3ee88874ed39c4dcd
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SHA1
ca3e925e87dc3bc5bd1878bc9d74cd709d7a9622
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SHA256
21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9
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SHA512
4a727c97e2af20c296f01f89953fc20908d628cc97c4fa372d15d003427c5f0e2b2146d214df4a22b8b62fb46f121df0021cb18056bfba6c7ec824c892b3da53
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SSDEEP
24576:D+wIZTFg2BK8sgD08CwrjYFMIzsBk6tkAfiRN+BU:D+wIZTOBRgDhnY2M6tV6RND
Malware Config
Extracted
remcos
FEB 09
oktoviyanto.ddns.net:9373
103.186.117.61:9373
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-Z2L02T
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
agenttesla
https://api.telegram.org/bot5612460560:AAHyXkizBwpknHBFsEt3GDIwhLylabAVwjM/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Remcos family
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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.
pid Process 3456 powershell.exe -
Downloads MZ/PE file 1 IoCs
flow pid Process 58 2248 Process not Found -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\Control Panel\International\Geo\Nation RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe Key value queried \REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\Control Panel\International\Geo\Nation RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe -
Executes dropped EXE 1 IoCs
pid Process 4260 dwn.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dwn.exe Key opened \REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dwn.exe Key opened \REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dwn.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mykksg = "C:\\Users\\Admin\\AppData\\Roaming\\mykksg\\mykksg.exe" dwn.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 29 api.ipify.org 28 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4048 set thread context of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dwn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3704 MicrosoftEdgeUpdate.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3664 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 3456 powershell.exe 3456 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 4260 dwn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4264 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 4260 dwn.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4048 wrote to memory of 3456 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 92 PID 4048 wrote to memory of 3456 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 92 PID 4048 wrote to memory of 3456 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 92 PID 4048 wrote to memory of 3664 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 94 PID 4048 wrote to memory of 3664 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 94 PID 4048 wrote to memory of 3664 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 94 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4048 wrote to memory of 4264 4048 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 96 PID 4264 wrote to memory of 4260 4264 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 97 PID 4264 wrote to memory of 4260 4264 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 97 PID 4264 wrote to memory of 4260 4264 RemcosRAT-21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9.exe 97 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dwn.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dwn.exe
Processes
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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
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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
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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
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzAwMDM3NzUyIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3704
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD552a3a32f6d19eb3c68f8140039fd9653
SHA16bee4082cfa655d969d7414b765835fa87c844f1
SHA2565cdbe670aacdc8edec086c7889e6d255af19546f43b40f23f42c134425911042
SHA5120e467c6157e383d659fd28beac56523c57cce39eb7627c684269a448ccea48650155324ef3c21eec1e19d2d4a7187a3a6059a8b43fed511d80528b60ed4eed26
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
169KB
MD5accfb066306c95fea0ed42dc99df1634
SHA162388a3475c431ab70037b54b4e86caf61bbb55c
SHA256e6720928ea03235a4a2ae2183d8e82483eab11c5d77ec554ca3d85cc69d244b2
SHA512f31c70abb5faae8ae361c19ffcb96d83c4fb21e092119c60073a81e0a2400a17bb1bce0481263ff1275b63f3e86659779bbdca406970fc95c4118e5810405296
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Filesize
1KB
MD552157f686194d246d9c5461f69ae974b
SHA156224bc9e96772ed860e4868a38a63024757df71
SHA256fca7bebb70d2357d729723636555aed36cf5bdf4f0a47d7ba9b0792af6d48dda
SHA512042cf9e93dd8ce19e83b68bdb11af5b0d2778236ad60bc6d7bd23798508074a9c373579126c2fdd799ab77488cd0f64ad2b49c279323dc5e9e7ae51e92788160