Analysis
- max time kernel
60s - max time network
62s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/10/2026, 20:30
Behavioral task
behavioral1
Sample
39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe
Resource
win11ltsc2024-20260911-en
General
- Target 39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe
- Size 645KB
- Sample261007-y98h5aws4l
- SHA256 39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c
- MD5 23a4ac370580bbec35317d8cc29125f6
- SHA1 b97ba26ec4b12ee067d36046ec9f6bb73a7e9317
- SHA512 2c3bab881ebd29526d7e052556a96b509353c7d8d81ef57dd38f36e922cf1944c28d0a5491b6de2a46953d8ce869c894c6a1990e7950f12a51334424f11b16de
- SSDEEP 12288:FIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:a5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T18BE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
audio_folder
MicRecords
-
audio_path
%Temp%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
App.exe
-
copy_folder
c2
-
delete_file
false
-
hide_file
true
-
hide_keylog_file
false
-
install_flag
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
update
-
mouse_option
false
-
mutex
tele@hidd3ng3m-BI4MMK
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%WinDir%\System32
-
screenshot_time
5
- startup_value
-
take_screenshot_option
true
-
take_screenshot_time
5
-
take_screenshot_title
chrome;discord;facebook;telegram;whatsapp;youtube;instagram;tiktok;spotify;netflix;zoom;teams;slack;steam;vlc;coccoc
Signatures
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs
Network activity triggered a Suricata alert
flow pid Process 25 4364 App.exe 25 4364 App.exe 53 4364 App.exe 53 4364 App.exe 90 4364 App.exe 90 4364 App.exe 110 4364 App.exe 110 4364 App.exe 121 4364 App.exe 121 4364 App.exe 134 4364 App.exe 134 4364 App.exe 146 4364 App.exe 146 4364 App.exe 41 4364 App.exe 41 4364 App.exe 57 4364 App.exe 57 4364 App.exe 66 4364 App.exe 66 4364 App.exe 74 4364 App.exe 74 4364 App.exe 133 4364 App.exe 133 4364 App.exe 24 4364 App.exe 24 4364 App.exe 73 4364 App.exe 73 4364 App.exe 117 4364 App.exe 117 4364 App.exe 153 4364 App.exe 153 4364 App.exe 157 4364 App.exe 157 4364 App.exe 13 4364 App.exe 13 4364 App.exe 36 4364 App.exe 36 4364 App.exe 81 4364 App.exe 81 4364 App.exe 85 4364 App.exe 85 4364 App.exe 106 4364 App.exe 106 4364 App.exe 141 4364 App.exe 141 4364 App.exe 118 4364 App.exe 118 4364 App.exe 60 4364 App.exe 60 4364 App.exe 70 4364 App.exe 70 4364 App.exe 78 4364 App.exe 78 4364 App.exe 94 4364 App.exe 94 4364 App.exe 109 4364 App.exe 109 4364 App.exe 7 4364 App.exe 7 4364 App.exe 37 4364 App.exe 37 4364 App.exe 40 4364 App.exe 40 4364 App.exe - Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ App.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\tele@hidd3ng3m-BI4MMK = "\"C:\\ProgramData\\c2\\App.exe\"" App.exe Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ 39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\tele@hidd3ng3m-BI4MMK = "\"C:\\ProgramData\\c2\\App.exe\"" 39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe - Executes dropped EXE 1 IoCs
pid Process 4364 App.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-BI4MMK = "\"C:\\ProgramData\\c2\\App.exe\"" 39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-BI4MMK = "\"C:\\ProgramData\\c2\\App.exe\"" 39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe Set value (str) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-BI4MMK = "\"C:\\ProgramData\\c2\\App.exe\"" App.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-BI4MMK = "\"C:\\ProgramData\\c2\\App.exe\"" App.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\Screenshots\time_20261007_213019.jpg App.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname App.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain App.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4364 App.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 3288 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3288 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4364 App.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4364 App.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4952 wrote to memory of 4364 4952 39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe"C:\Users\Admin\AppData\Local\Temp\39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\ProgramData\c2\App.exe"C:\ProgramData\c2\App.exe"2⤵
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Adds policy Run key to start application
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4364
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004FC 0x00000000000004F81⤵
- Suspicious use of AdjustPrivilegeToken
PID:3288
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\c2\App.exe
- Size 645KB
- SHA256 39a2ea5665a43df7b9786ca5806b21404c6ad8b2c675f7db7e931dd83e93af1c
- MD5 23a4ac370580bbec35317d8cc29125f6
- SHA1 b97ba26ec4b12ee067d36046ec9f6bb73a7e9317
- SHA512 2c3bab881ebd29526d7e052556a96b509353c7d8d81ef57dd38f36e922cf1944c28d0a5491b6de2a46953d8ce869c894c6a1990e7950f12a51334424f11b16de
- SSDEEP 12288:FIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:a5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T18BE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
- MD5 SHA1 SHA512 SSDEEP TLSH