remcos | d022ec89128cc6b16e54d89279dac5199b69e054d06f982eef6c1c1b05201493

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
31/10/2026, 10:38

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General

Target
2026-10-31_e79512565ee6c44dafcea905ab4986ef_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Size 644KB
Sample261031-mpmkdaax6t
SHA256 d022ec89128cc6b16e54d89279dac5199b69e054d06f982eef6c1c1b05201493
MD5 e79512565ee6c44dafcea905ab4986ef
SHA1 96420eeeef0297684d6412f7862e25c9bd27a7af
SHA512 c200c98ef5c34aadb1390a31a79768e9bd6310f633fc69210d5de2809a4480cf8c9af084a4d6545bbfb434d56ec5c9bb001572982425f2f245437d26ed489fcb
SSDEEP 12288:hIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:m5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T12EE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
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

soicauhuyentrang.com:8080
www.soicauhuyentrang.com:8080
backdoor.soicauhuyentrang.com:2404
c2.soicauhuyentrang.com:2404
api.soicauhuyentrang.com:2404
soicauhuyentrang.com:80
www.soicauhuyentrang.com:80

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
App.exe
copy_folder
s8
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-90X83P
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
352	1080	App.exe
352	1080	App.exe
159	1080	App.exe
159	1080	App.exe
74	1080	App.exe
74	1080	App.exe
223	1080	App.exe
223	1080	App.exe
244	1080	App.exe
244	1080	App.exe
256	1080	App.exe
256	1080	App.exe
315	1080	App.exe
315	1080	App.exe
366	1080	App.exe
366	1080	App.exe
113	1080	App.exe
113	1080	App.exe
167	1080	App.exe
167	1080	App.exe
267	1080	App.exe
267	1080	App.exe
235	1080	App.exe
235	1080	App.exe
341	1080	App.exe
341	1080	App.exe
203	1080	App.exe
203	1080	App.exe
178	1080	App.exe
178	1080	App.exe
321	1080	App.exe
321	1080	App.exe
265	1080	App.exe
265	1080	App.exe
85	1080	App.exe
85	1080	App.exe
291	1080	App.exe
291	1080	App.exe
362	1080	App.exe
362	1080	App.exe
293	1080	App.exe
293	1080	App.exe
316	1080	App.exe
316	1080	App.exe
26	1080	App.exe
26	1080	App.exe
144	1080	App.exe
144	1080	App.exe
175	1080	App.exe
175	1080	App.exe
221	1080	App.exe
221	1080	App.exe
263	1080	App.exe
263	1080	App.exe
339	1080	App.exe
339	1080	App.exe
340	1080	App.exe
340	1080	App.exe
28	1080	App.exe
28	1080	App.exe
47	1080	App.exe
47	1080	App.exe
116	1080	App.exe
116	1080	App.exe

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

resource	yara_rule
behavioral1/files/0x0008000000024469-3.dat	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

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

resource	yara_rule
behavioral1/files/0x0008000000024469-3.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\	2026-10-31_e79512565ee6c44dafcea905ab4986ef_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Rmc-90X83P = "\"C:\\ProgramData\\s8\\App.exe\""	2026-10-31_e79512565ee6c44dafcea905ab4986ef_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\Rmc-90X83P = "\"C:\\ProgramData\\s8\\App.exe\""	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-1-5-21-895009113-1202185046-1686627690-1000\Control Panel\International\Geo\Nation	2026-10-31_e79512565ee6c44dafcea905ab4986ef_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe

Executes dropped EXE 1 IoCs

pid	Process
1080	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-90X83P = "\"C:\\ProgramData\\s8\\App.exe\""	2026-10-31_e79512565ee6c44dafcea905ab4986ef_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-90X83P = "\"C:\\ProgramData\\s8\\App.exe\""	App.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-90X83P = "\"C:\\ProgramData\\s8\\App.exe\""	App.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-90X83P = "\"C:\\ProgramData\\s8\\App.exe\""	2026-10-31_e79512565ee6c44dafcea905ab4986ef_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.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
1080	App.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1768	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1768	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1080	App.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1080	App.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 1080	5008	2026-10-31_e79512565ee6c44dafcea905ab4986ef_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe	84

C:\Users\Admin\AppData\Local\Temp\2026-10-31_e79512565ee6c44dafcea905ab4986ef_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-31_e79512565ee6c44dafcea905ab4986ef_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe"
1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5008
- C:\ProgramData\s8\App.exe
  "C:\ProgramData\s8\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:1080

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4a0 0x3dc
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1768

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\s8\App.exe
Size 644KB
SHA256 d022ec89128cc6b16e54d89279dac5199b69e054d06f982eef6c1c1b05201493
MD5 e79512565ee6c44dafcea905ab4986ef
SHA1 96420eeeef0297684d6412f7862e25c9bd27a7af
SHA512 c200c98ef5c34aadb1390a31a79768e9bd6310f633fc69210d5de2809a4480cf8c9af084a4d6545bbfb434d56ec5c9bb001572982425f2f245437d26ed489fcb
SSDEEP 12288:hIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:m5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T12EE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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