Analysis
- max time kernel
148s - max time network
150s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260911-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
28/10/2026, 13:09
Behavioral task
behavioral1
Sample
1.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
1.exe
Resource
win10ltsc2021-20260911-en
windows10-ltsc_2021-x64
13 signatures
150 seconds
Behavioral task
behavioral3
Sample
1.exe
Resource
win11-20260911-en
windows11-21h2-x64
12 signatures
150 seconds
Behavioral task
behavioral4
Sample
1.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
12 signatures
150 seconds
General
- Target 1.exe
- Size 645KB
- Sample261028-qd1jmsgd98
- SHA256 8653d8c56c60397cf84ec174cd97ec708db040d8f23f828c61571074cdf6780e
- MD5 5647ece778a51df0cb2abaec08306ac4
- SHA1 b45131db8632e54a42143723ee5d852b25a63875
- SHA512 53b9e027b2a6def14fc39a701281190f04ff4002bf2dba3895e16c40336ae1919d57024a501c0da0b09599c0d5e94da4ff0a02886db5c6b790be7bf9a022df24
- SSDEEP 12288:TIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:U5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T1C0E46D59A39402F8D0B7C135C982952BE7B2BC065571472F03D70E9B2F277A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
remcos
Version
-
7.3.1 Pro
Botnet
-
QH88 Backdoor
C2
-
qh88jqk.de:8080
-
backdoor.qh88jqk.de:8080
-
qh88si.com:8080
-
backdoor.qh88si.com:8080
-
qh88eu.com:8080
-
backdoor.qh88eu.com:8080
-
qh88.casino:8080
-
backdoor.qh88.casino:8080
-
qh88.gs:8080
-
backdoor.qh88.gs:8080
-
qh888b3.com:8080
-
backdoor.qh888b3.com:8080
-
backdoor.qh88b3.com:8080
-
qh88.pub:8080
-
backdoor.qh88.pub:8080
Attributes
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
QH App.exe
-
copy_folder
qh88
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-5C7FL1
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
- startup_value
-
take_screenshot_option
true
-
take_screenshot_time
5
-
take_screenshot_title
facebook;discord;telegram
Signatures
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs
Network activity triggered a Suricata alert
flow pid Process 34 3360 QH App.exe 34 3360 QH App.exe 148 3360 QH App.exe 148 3360 QH App.exe 242 3360 QH App.exe 242 3360 QH App.exe 306 3360 QH App.exe 306 3360 QH App.exe 315 3360 QH App.exe 315 3360 QH App.exe 6 3360 QH App.exe 6 3360 QH App.exe 38 3360 QH App.exe 38 3360 QH App.exe 326 3360 QH App.exe 326 3360 QH App.exe 292 3360 QH App.exe 292 3360 QH App.exe 302 3360 QH App.exe 302 3360 QH App.exe 79 3360 QH App.exe 79 3360 QH App.exe 134 3360 QH App.exe 134 3360 QH App.exe 142 3360 QH App.exe 142 3360 QH App.exe 266 3360 QH App.exe 266 3360 QH App.exe 334 3360 QH App.exe 334 3360 QH App.exe 330 3360 QH App.exe 330 3360 QH App.exe 319 3360 QH App.exe 319 3360 QH App.exe 96 3360 QH App.exe 96 3360 QH App.exe 124 3360 QH App.exe 124 3360 QH App.exe 131 3360 QH App.exe 131 3360 QH App.exe 257 3360 QH App.exe 257 3360 QH App.exe 195 3360 QH App.exe 195 3360 QH App.exe 338 3360 QH App.exe 338 3360 QH App.exe 202 3360 QH App.exe 202 3360 QH App.exe 163 3360 QH App.exe 163 3360 QH App.exe 206 3360 QH App.exe 206 3360 QH App.exe 215 3360 QH App.exe 215 3360 QH App.exe 73 3360 QH App.exe 73 3360 QH App.exe 153 3360 QH App.exe 153 3360 QH App.exe 75 3360 QH App.exe 75 3360 QH App.exe 300 3360 QH App.exe 300 3360 QH App.exe 103 3360 QH App.exe 103 3360 QH 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\ 1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Rmc-5C7FL1 = "\"C:\\ProgramData\\qh88\\QH App.exe\"" 1.exe Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ QH App.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Rmc-5C7FL1 = "\"C:\\ProgramData\\qh88\\QH App.exe\"" QH App.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000\Control Panel\International\Geo\Nation 1.exe - Executes dropped EXE 1 IoCs
pid Process 3360 QH App.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-5C7FL1 = "\"C:\\ProgramData\\qh88\\QH App.exe\"" 1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-5C7FL1 = "\"C:\\ProgramData\\qh88\\QH App.exe\"" 1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-5C7FL1 = "\"C:\\ProgramData\\qh88\\QH App.exe\"" QH App.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-5C7FL1 = "\"C:\\ProgramData\\qh88\\QH App.exe\"" QH 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 QH App.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain QH App.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3360 QH App.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2724 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2724 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3360 QH App.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3360 QH App.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4476 wrote to memory of 3360 4476 1.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.exe"1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\ProgramData\qh88\QH App.exe"C:\ProgramData\qh88\QH 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
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3360
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x16c 0x3a01⤵
- Suspicious use of AdjustPrivilegeToken
PID:2724
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\qh88\QH App.exe
- Size 645KB
- SHA256 8653d8c56c60397cf84ec174cd97ec708db040d8f23f828c61571074cdf6780e
- MD5 5647ece778a51df0cb2abaec08306ac4
- SHA1 b45131db8632e54a42143723ee5d852b25a63875
- SHA512 53b9e027b2a6def14fc39a701281190f04ff4002bf2dba3895e16c40336ae1919d57024a501c0da0b09599c0d5e94da4ff0a02886db5c6b790be7bf9a022df24
- SSDEEP 12288:TIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:U5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T1C0E46D59A39402F8D0B7C135C982952BE7B2BC065571472F03D70E9B2F277A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH