remcos | 333cb84671491fa2e2df5ea1fc09f336969c28f62ad44d24cb12665670cc6fe0

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/10/2026, 04:31

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General

Target
2026-10-10_b78ac5c4f6704e9b1b7cf212c1998e22_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Size 645KB
Sample261011-e5pexav1ct
SHA256 333cb84671491fa2e2df5ea1fc09f336969c28f62ad44d24cb12665670cc6fe0
MD5 b78ac5c4f6704e9b1b7cf212c1998e22
SHA1 11e8596347376d6cc93916842391a6ef90b27366
SHA512 41e8d419447813abc28db76130d78cd017f3c408fc283aaf04febbc1933709e5fcee0808c51715cdfcf143cab8689b885ff98ebd2a9f20acc16e4e98929ea835
SSDEEP 12288:TIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:U5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T144E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
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

backdoor.h19.uno:8080
h19.uno:8080
c2.h19.uno:8080
api.h19.uno:8080
malware.h19.uno:8080
h19.uno:80

Attributes

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-3BTCWY
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

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
94	6036	App.exe
94	6036	App.exe
140	6036	App.exe
140	6036	App.exe
265	6036	App.exe
265	6036	App.exe
278	6036	App.exe
278	6036	App.exe
83	6036	App.exe
83	6036	App.exe
93	6036	App.exe
93	6036	App.exe
110	6036	App.exe
110	6036	App.exe
41	6036	App.exe
66	6036	App.exe
66	6036	App.exe
243	6036	App.exe
243	6036	App.exe
162	6036	App.exe
162	6036	App.exe
189	6036	App.exe
189	6036	App.exe
283	6036	App.exe
283	6036	App.exe
317	6036	App.exe
317	6036	App.exe
70	6036	App.exe
70	6036	App.exe
310	6036	App.exe
310	6036	App.exe
187	6036	App.exe
187	6036	App.exe
97	6036	App.exe
97	6036	App.exe
53	6036	App.exe
53	6036	App.exe
64	6036	App.exe
64	6036	App.exe
92	6036	App.exe
92	6036	App.exe
139	6036	App.exe
139	6036	App.exe
150	6036	App.exe
150	6036	App.exe
206	6036	App.exe
206	6036	App.exe
65	6036	App.exe
65	6036	App.exe
81	6036	App.exe
81	6036	App.exe
76	6036	App.exe
76	6036	App.exe
145	6036	App.exe
145	6036	App.exe
296	6036	App.exe
296	6036	App.exe
25	6036	App.exe
25	6036	App.exe
168	6036	App.exe
168	6036	App.exe
58	6036	App.exe
58	6036	App.exe
42	6036	App.exe

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

resource	yara_rule
behavioral2/files/0x0008000000016b43-0.dat	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

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

resource	yara_rule
behavioral2/files/0x0008000000016b43-0.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\	2026-10-10_b78ac5c4f6704e9b1b7cf212c1998e22_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\tele@hidd3ng3m-3BTCWY = "\"C:\\ProgramData\\c2\\App.exe\""	2026-10-10_b78ac5c4f6704e9b1b7cf212c1998e22_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
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-3BTCWY = "\"C:\\ProgramData\\c2\\App.exe\""	App.exe

Executes dropped EXE 1 IoCs

pid	Process
6036	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\tele@hidd3ng3m-3BTCWY = "\"C:\\ProgramData\\c2\\App.exe\""	App.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-3BTCWY = "\"C:\\ProgramData\\c2\\App.exe\""	2026-10-10_b78ac5c4f6704e9b1b7cf212c1998e22_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-3BTCWY = "\"C:\\ProgramData\\c2\\App.exe\""	2026-10-10_b78ac5c4f6704e9b1b7cf212c1998e22_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-3BTCWY = "\"C:\\ProgramData\\c2\\App.exe\""	App.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Screenshots\time_20261011_053139.jpg	App.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\Hostname	App.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	App.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
6036	App.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	5412	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	5412	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
6036	App.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
6036	App.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 6036	4884	2026-10-10_b78ac5c4f6704e9b1b7cf212c1998e22_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-10-10_b78ac5c4f6704e9b1b7cf212c1998e22_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-10_b78ac5c4f6704e9b1b7cf212c1998e22_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:4884
- 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:6036

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004E8 0x00000000000004D8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5412

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

App.exe

Path C:\ProgramData\c2\App.exe
Size 645KB
SHA256 333cb84671491fa2e2df5ea1fc09f336969c28f62ad44d24cb12665670cc6fe0
MD5 b78ac5c4f6704e9b1b7cf212c1998e22
SHA1 11e8596347376d6cc93916842391a6ef90b27366
SHA512 41e8d419447813abc28db76130d78cd017f3c408fc283aaf04febbc1933709e5fcee0808c51715cdfcf143cab8689b885ff98ebd2a9f20acc16e4e98929ea835
SSDEEP 12288:TIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:U5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T144E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
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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Downloads