Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/10/2026, 13:17
General
- Target 2026-09-30_632782f9d6995d5453befefdfd1895b5_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
- Size 646KB
- Sample261001-qjdl3acd52
- SHA256 4c486be36a1d519925347c129f0073af6c8852b32dcc94eff342aae865a786ee
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
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123but.com:443
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ae888hr.vip:443
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uu88.cat:443
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uu88.ong:443
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photo-chronicles.com:443
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xoso66vv.com:443
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yes-original.co:443
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xoso66a.blue:443
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mb66u.cfd:443
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789win11.org:443
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go8go.net:443
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hi88.chat:443
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casino-igrice.me:443
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hi88com.biz:443
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chengzhi888.co:443
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backdoor.123but.com:443
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backdoor.ae888hr.vip:443
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backdoor.uu88.cat:443
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backdoor.uu88.ong:443
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backdoor.photo-chronicles.com:443
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audio_folder
MicRecords
-
audio_path
%Temp%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
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copy_file
s8.exe
-
copy_folder
s8
-
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
s8
-
mouse_option
false
-
mutex
s8-JQD1HZ
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%SystemDrive%
-
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
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
- Adds policy Run key to start application 2 TTPs 4 IoCs
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 4 IoCs
- 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.
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-30_632782f9d6995d5453befefdfd1895b5_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_632782f9d6995d5453befefdfd1895b5_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\s8\s8.exe"C:\ProgramData\s8\s8.exe"2⤵
- Adds policy Run key to start application
- Executes dropped EXE
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004F8 0x00000000000005001⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
logs.dat
s8.exe