remcos | fe3f5c488689e00d76388a73d17eb0adb9f2332fba1f890fb4bbbde6fb915f52

Analysis

max time kernel
300s
max time network
293s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
11/11/2026, 04:33

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General

Target
3.exe
Size 645KB
Sample261111-e6qz5atx6j
SHA256 fe3f5c488689e00d76388a73d17eb0adb9f2332fba1f890fb4bbbde6fb915f52
MD5 d2360fb48a6a03f75513815cf644ef82
SHA1 40c0631f0971fa959348f431b317434c6c3ba982
SHA512 5976c1852fec5adfea0a795824fffb2bc429e9ef30dbb3838dd432958fffe2a6751799fa1cee7de13d4a46f2d5f701e01c04136a80201298d5986368370d01a9
SSDEEP 12288:vIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:w5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T177E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

au88 discovery remcos persistence rat suricata

Malware Config

Extracted

Family

remcos

Version

7.3.1 Pro

Botnet

au88

mechat.bottly.in:443
mechat.bottly.in:80
xc.estates4u.co:443
xc.estates4u.co:80
jobgrow.phpdevelopment.co.in:443
jobgrow.phpdevelopment.co.in:80
wdhe.mcenter.pl:443
wdhe.mcenter.pl:80
blog.iyngaran.info:443
blog.iyngaran.info:80
uu881.info:443
uu881.info:80
mevideo.co:443
mevideo.co:80
directory.portstluciedirect.info:443
directory.portstluciedirect.info:80
x41t3.buzz:443
x41t3.buzz:80
8kbet1.cc:443
8kbet1.cc:80
funpunch.in:443
funpunch.in:80
8kbetsco.com:443
8kbetsco.com:80
8kbeta3.com:443
8kbeta3.com:80
seony.co:443
seony.co:80
fun79i.com:443
fun79i.com:80
88aa.games:443
88aa.games:80
luckywin.ski:443
luckywin.ski:80
luck888.beer:443
luck888.beer:80

Attributes

audio_folder
au88
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
App.exe
copy_folder
au88
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-QPSDHG
screenshot_crypt
false
screenshot_flag
true
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
take_screenshot_option
false
take_screenshot_time
5

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Suricata alert: REMCOS RAT Malware Outbound C2 Communication 60 IoCs

Network activity triggered a Suricata alert

suricata remcos

flow	pid	Process
12	4752	App.exe
12	4752	App.exe
21	4752	App.exe
21	4752	App.exe
41	4752	App.exe
41	4752	App.exe
50	4752	App.exe
50	4752	App.exe
15	4752	App.exe
15	4752	App.exe
26	4752	App.exe
26	4752	App.exe
42	4752	App.exe
42	4752	App.exe
48	4752	App.exe
48	4752	App.exe
39	4752	App.exe
39	4752	App.exe
11	4752	App.exe
11	4752	App.exe
27	4752	App.exe
27	4752	App.exe
44	4752	App.exe
44	4752	App.exe
14	4752	App.exe
14	4752	App.exe
20	4752	App.exe
20	4752	App.exe
51	4752	App.exe
51	4752	App.exe
47	4752	App.exe
47	4752	App.exe
29	4752	App.exe
29	4752	App.exe
36	4752	App.exe
36	4752	App.exe
54	4752	App.exe
54	4752	App.exe
38	4752	App.exe
38	4752	App.exe
33	4752	App.exe
33	4752	App.exe
9	4752	App.exe
9	4752	App.exe
6	4752	App.exe
6	4752	App.exe
32	4752	App.exe
32	4752	App.exe
30	4752	App.exe
30	4752	App.exe
53	4752	App.exe
53	4752	App.exe
24	4752	App.exe
24	4752	App.exe
35	4752	App.exe
35	4752	App.exe
23	4752	App.exe
23	4752	App.exe
45	4752	App.exe
45	4752	App.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4095433250-3121633380-635025574-1000\Control Panel\International\Geo\Nation	3.exe

Executes dropped EXE 1 IoCs

pid	Process
4752	App.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-QPSDHG = "\"C:\\ProgramData\\au88\\App.exe\""	3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4095433250-3121633380-635025574-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-QPSDHG = "\"C:\\ProgramData\\au88\\App.exe\""	App.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-QPSDHG = "\"C:\\ProgramData\\au88\\App.exe\""	App.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4095433250-3121633380-635025574-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-QPSDHG = "\"C:\\ProgramData\\au88\\App.exe\""	3.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	App.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	App.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3396	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3396	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4752	App.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4752	App.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4752	App.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3856 wrote to memory of 4752	3856	3.exe	82

C:\Users\Admin\AppData\Local\Temp\3.exe
"C:\Users\Admin\AppData\Local\Temp\3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3856
- C:\ProgramData\au88\App.exe
  "C:\ProgramData\au88\App.exe"
  2⤵
  - Suricata alert: REMCOS RAT Malware Outbound C2 Communication
  - Executes dropped EXE
  - Adds Run key to start application
  - Reads the TCP/IP host and domain name from the registry
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4752

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4f8 0x2d0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3396

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

App.exe

Path C:\ProgramData\au88\App.exe
Size 645KB
SHA256 fe3f5c488689e00d76388a73d17eb0adb9f2332fba1f890fb4bbbde6fb915f52
MD5 d2360fb48a6a03f75513815cf644ef82
SHA1 40c0631f0971fa959348f431b317434c6c3ba982
SHA512 5976c1852fec5adfea0a795824fffb2bc429e9ef30dbb3838dd432958fffe2a6751799fa1cee7de13d4a46f2d5f701e01c04136a80201298d5986368370d01a9
SSDEEP 12288:vIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:w5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T177E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
MD5 SHA1 SHA512 SSDEEP TLSH

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logs.dat

Path C:\ProgramData\remcos\logs.dat
Size 208B
SHA256 0bcbde0633d4398b1a7f83d469876cfeaedf78de44a0e3c0bb5c283dfab76971
MD5 f4563153cb121aac441bbf8b78566099
SHA1 aff6d6d048e4f31b9055a0c462e056027a46353b
SHA512 bafe7e0c6d6dabb21a4743ebbdee4d1168aec6119ad2c15fe1e1e9df8ba24bba0892d35b7886ecef5bf9f744fb92813b61a6e1714a12e509c06e2898a3177748
TLSH
T1EED0801537E110EB7B37915B95F700352936F5F301388C5D11D3634C14F9505590074F
MD5 SHA1 SHA512 TLSH

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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