remcos | 99e73bd74b212d4a2d62f8544629d130071a8a7df4289cad4092ec3a244aac87

Analysis

max time kernel
149s
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
14/10/2026, 02:09

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General

Target
2026-10-13_ed9c361644c4a98289c9d15ed8faf069_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Size 645KB
Sample261014-clep9atz5m
SHA256 99e73bd74b212d4a2d62f8544629d130071a8a7df4289cad4092ec3a244aac87
MD5 ed9c361644c4a98289c9d15ed8faf069
SHA1 278ae927f979429013f1d39c13c9560adcffa081
SHA512 572d2cf0b7f7035eb518d4feb3a956126596bbf0b1384d83884e5b072499a333f953acd8421a3ffdf016949b39e711cf9c6050220194c33d5d485afe19a21b31
SSDEEP 12288:tIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz5:i5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T1D3E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
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

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-HRHE5Q
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
64	1476	App.exe
64	1476	App.exe
148	1476	App.exe
148	1476	App.exe
437	1476	App.exe
437	1476	App.exe
241	1476	App.exe
241	1476	App.exe
377	1476	App.exe
377	1476	App.exe
466	1476	App.exe
466	1476	App.exe
206	1476	App.exe
206	1476	App.exe
434	1476	App.exe
434	1476	App.exe
473	1476	App.exe
473	1476	App.exe
438	1476	App.exe
438	1476	App.exe
28	1476	App.exe
28	1476	App.exe
68	1476	App.exe
68	1476	App.exe
133	1476	App.exe
133	1476	App.exe
286	1476	App.exe
286	1476	App.exe
382	1476	App.exe
382	1476	App.exe
277	1476	App.exe
277	1476	App.exe
390	1476	App.exe
390	1476	App.exe
124	1476	App.exe
124	1476	App.exe
137	1476	App.exe
137	1476	App.exe
381	1476	App.exe
381	1476	App.exe
172	1476	App.exe
172	1476	App.exe
177	1476	App.exe
177	1476	App.exe
238	1476	App.exe
238	1476	App.exe
306	1476	App.exe
306	1476	App.exe
12	1476	App.exe
12	1476	App.exe
15	1476	App.exe
15	1476	App.exe
112	1476	App.exe
112	1476	App.exe
474	1476	App.exe
474	1476	App.exe
201	1476	App.exe
201	1476	App.exe
273	1476	App.exe
273	1476	App.exe
433	1476	App.exe
433	1476	App.exe
40	1476	App.exe
40	1476	App.exe

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

resource	yara_rule
behavioral2/files/0x000e00000001c54c-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/0x000e00000001c54c-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\	2026-10-13_ed9c361644c4a98289c9d15ed8faf069_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\tele@hidd3ng3m-HRHE5Q = "\"C:\\ProgramData\\c2\\App.exe\""	2026-10-13_ed9c361644c4a98289c9d15ed8faf069_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-HRHE5Q = "\"C:\\ProgramData\\c2\\App.exe\""	App.exe

Executes dropped EXE 1 IoCs

pid	Process
1476	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\USER\S-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-HRHE5Q = "\"C:\\ProgramData\\c2\\App.exe\""	2026-10-13_ed9c361644c4a98289c9d15ed8faf069_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-HRHE5Q = "\"C:\\ProgramData\\c2\\App.exe\""	2026-10-13_ed9c361644c4a98289c9d15ed8faf069_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-HRHE5Q = "\"C:\\ProgramData\\c2\\App.exe\""	App.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tele@hidd3ng3m-HRHE5Q = "\"C:\\ProgramData\\c2\\App.exe\""	App.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Screenshots\time_20261014_030939.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
1476	App.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1208	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1208	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1476	App.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1476	App.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 1476	1508	2026-10-13_ed9c361644c4a98289c9d15ed8faf069_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-13_ed9c361644c4a98289c9d15ed8faf069_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-13_ed9c361644c4a98289c9d15ed8faf069_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:1508
- 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:1476

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004FC 0x00000000000004F8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1208

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 99e73bd74b212d4a2d62f8544629d130071a8a7df4289cad4092ec3a244aac87
MD5 ed9c361644c4a98289c9d15ed8faf069
SHA1 278ae927f979429013f1d39c13c9560adcffa081
SHA512 572d2cf0b7f7035eb518d4feb3a956126596bbf0b1384d83884e5b072499a333f953acd8421a3ffdf016949b39e711cf9c6050220194c33d5d485afe19a21b31
SSDEEP 12288:tIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz5:i5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T1D3E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
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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