remcos | 6b70d804f6e48f4da7c0f73eeb79476e43e731adb8b0d969d01e7e3041453b52

Analysis

max time kernel
149s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/11/2026, 15:04

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General

Target
2026-11-10_f7929eb8adfa09fcddff0982f9926324_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Size 644KB
Sample261111-sfr2dsg18m
SHA256 6b70d804f6e48f4da7c0f73eeb79476e43e731adb8b0d969d01e7e3041453b52
MD5 f7929eb8adfa09fcddff0982f9926324
SHA1 cff0598a17d23e26607796456877d2f71ca727ec
SHA512 9b2c5481e547cf3ba0e2b727eeb64968ad1b722dec5e97c7f80ea4b00abab70d046c179dfa0c082b3ebbc733ba5ace709e0b1b2d9676a973eb6dcc5f722b62e7
SSDEEP 12288:5IfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDzs:e5GXkH4nnwitNfuq9wgs3y3V5vgNyo3C
TLSH
T1D0E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost discovery remcos persistence rat suricata

Malware Config

Extracted

Family

remcos

Version

7.3.1 Pro

Botnet

RemoteHost

wdhe.mcenter.pl:8080
api.wdhe.mcenter.pl:8080
byg.wdhe.mcenter.pl:8080
www.wdhe.mcenter.pl:8080
webmail.wdhe.mcenter.pl:8080
c2.wdhe.mcenter.pl:8080

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
WinService.exe
copy_folder
Update
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-VNARU0
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

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

Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs

Network activity triggered a Suricata alert

suricata remcos

flow	pid	Process
132	5072	WinService.exe
132	5072	WinService.exe
104	5072	WinService.exe
104	5072	WinService.exe
149	5072	WinService.exe
149	5072	WinService.exe
139	5072	WinService.exe
139	5072	WinService.exe
184	5072	WinService.exe
184	5072	WinService.exe
11	5072	WinService.exe
11	5072	WinService.exe
67	5072	WinService.exe
67	5072	WinService.exe
103	5072	WinService.exe
103	5072	WinService.exe
130	5072	WinService.exe
130	5072	WinService.exe
21	5072	WinService.exe
21	5072	WinService.exe
65	5072	WinService.exe
65	5072	WinService.exe
34	5072	WinService.exe
34	5072	WinService.exe
37	5072	WinService.exe
37	5072	WinService.exe
76	5072	WinService.exe
76	5072	WinService.exe
106	5072	WinService.exe
106	5072	WinService.exe
84	5072	WinService.exe
84	5072	WinService.exe
119	5072	WinService.exe
119	5072	WinService.exe
107	5072	WinService.exe
107	5072	WinService.exe
85	5072	WinService.exe
85	5072	WinService.exe
127	5072	WinService.exe
127	5072	WinService.exe
47	5072	WinService.exe
47	5072	WinService.exe
110	5072	WinService.exe
110	5072	WinService.exe
93	5072	WinService.exe
93	5072	WinService.exe
23	5072	WinService.exe
23	5072	WinService.exe
36	5072	WinService.exe
36	5072	WinService.exe
57	5072	WinService.exe
57	5072	WinService.exe
97	5072	WinService.exe
97	5072	WinService.exe
156	5072	WinService.exe
156	5072	WinService.exe
186	5072	WinService.exe
186	5072	WinService.exe
48	5072	WinService.exe
48	5072	WinService.exe
48	5072	WinService.exe
48	5072	WinService.exe
48	5072	WinService.exe
22	5072	WinService.exe

Custom signature

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c5dd-3.dat	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Custom signature

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c5dd-3.dat	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\	WinService.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Rmc-VNARU0 = "\"C:\\ProgramData\\Update\\WinService.exe\""	WinService.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\	2026-11-10_f7929eb8adfa09fcddff0982f9926324_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Rmc-VNARU0 = "\"C:\\ProgramData\\Update\\WinService.exe\""	2026-11-10_f7929eb8adfa09fcddff0982f9926324_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe

Executes dropped EXE 1 IoCs

pid	Process
5072	WinService.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-VNARU0 = "\"C:\\ProgramData\\Update\\WinService.exe\""	WinService.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-VNARU0 = "\"C:\\ProgramData\\Update\\WinService.exe\""	2026-11-10_f7929eb8adfa09fcddff0982f9926324_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-VNARU0 = "\"C:\\ProgramData\\Update\\WinService.exe\""	2026-11-10_f7929eb8adfa09fcddff0982f9926324_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-VNARU0 = "\"C:\\ProgramData\\Update\\WinService.exe\""	WinService.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	WinService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	WinService.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5072	WinService.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	5056	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	5056	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5072	WinService.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
5072	WinService.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5812 wrote to memory of 5072	5812	2026-11-10_f7929eb8adfa09fcddff0982f9926324_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-11-10_f7929eb8adfa09fcddff0982f9926324_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-10_f7929eb8adfa09fcddff0982f9926324_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
PID:5812
- C:\ProgramData\Update\WinService.exe
  "C:\ProgramData\Update\WinService.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:5072

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x0000000000000500 0x00000000000004FC
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5056

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

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

WinService.exe

Path C:\ProgramData\Update\WinService.exe
Size 644KB
SHA256 6b70d804f6e48f4da7c0f73eeb79476e43e731adb8b0d969d01e7e3041453b52
MD5 f7929eb8adfa09fcddff0982f9926324
SHA1 cff0598a17d23e26607796456877d2f71ca727ec
SHA512 9b2c5481e547cf3ba0e2b727eeb64968ad1b722dec5e97c7f80ea4b00abab70d046c179dfa0c082b3ebbc733ba5ace709e0b1b2d9676a973eb6dcc5f722b62e7
SSDEEP 12288:5IfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDzs:e5GXkH4nnwitNfuq9wgs3y3V5vgNyo3C
TLSH
T1D0E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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