remcos | 4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 11:48

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General

Target

4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
Size

1.1MB
MD5

f00996feb233aa84a056a6979127884e
SHA1

e76799b2327d8964b6f5b1ee3c8123f47c842dcc
SHA256

4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911
SHA512

c5ffecdd783dcdf27717a481e9683f74b313459efffb2663ea4a55fc27020767ece958ef330646bdeef15a27fc0b1f99576776938e19452f8039c85a255c5bc2
SSDEEP

24576:/2GRgHJ5blABfwcOfmvKrt5UPQUFpORmluolEBob4:/mrBAJImvKrXHUXtEek

Score

10^/10

remcos 65384 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

65384

jandupdate873.webredirect.org:45456

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-3SO2B8
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4976	powershell.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3544 set thread context of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
4976	powershell.exe
4976	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
Token: SeDebugPrivilege	4976	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 4976	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	96
PID 3544 wrote to memory of 4976	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	96
PID 3544 wrote to memory of 4976	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	96
PID 3544 wrote to memory of 3552	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	98
PID 3544 wrote to memory of 3552	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	98
PID 3544 wrote to memory of 3552	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	98
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100
PID 3544 wrote to memory of 2572	3544	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	100

C:\Users\Admin\AppData\Local\Temp\4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
"C:\Users\Admin\AppData\Local\Temp\4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\soTftKZ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4976
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\soTftKZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3870.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3552
- C:\Users\Admin\AppData\Local\Temp\4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
  "C:\Users\Admin\AppData\Local\Temp\4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w5wygbps.4ot.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3870.tmp

Filesize
1KB

MD5
418c33c57c50e3733aa9994bf7ce9ead

SHA1
92cdd1b8b9aa89e6ef093bc2f7980c3eda262a4b

SHA256
66852b9f6222a56fe7c207501f7c8a732e6c9854c10783c0d95b6e1696146a86

SHA512
441cb5a81623942cfecd37f79f6212249d5f7e090afabe2df2024cab77ee9b04d9d41eb9e2d6778ba69ffed455f95f453de4c30e100bf4f64c0370f1279e72df

Download Submit
memory/2572-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-123-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-122-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-121-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-120-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-119-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-118-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-117-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-116-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-115-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-114-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-113-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-112-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-111-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-110-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-109-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-108-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-107-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-106-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-105-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-87-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-94-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-93-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-92-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-91-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-90-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-89-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-88-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-84-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-85-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-86-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3544-5-0x0000000002900000-0x000000000290A000-memory.dmp

Filesize
40KB

Download
memory/3544-42-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3544-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/3544-1-0x0000000000430000-0x0000000000542000-memory.dmp

Filesize
1.1MB

Download
memory/3544-2-0x0000000007B40000-0x00000000080E4000-memory.dmp

Filesize
5.6MB

Download
memory/3544-3-0x0000000007780000-0x0000000007812000-memory.dmp

Filesize
584KB

Download
memory/3544-4-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3544-6-0x0000000007A10000-0x0000000007AAC000-memory.dmp

Filesize
624KB

Download
memory/3544-7-0x0000000007AB0000-0x0000000007ACC000-memory.dmp

Filesize
112KB

Download
memory/3544-9-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3544-8-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/3544-10-0x0000000008F70000-0x0000000009030000-memory.dmp

Filesize
768KB

Download
memory/4976-58-0x0000000007780000-0x000000000779A000-memory.dmp

Filesize
104KB

Download
memory/4976-17-0x0000000005530000-0x0000000005B58000-memory.dmp

Filesize
6.2MB

Download
memory/4976-45-0x000000006FA40000-0x000000006FA8C000-memory.dmp

Filesize
304KB

Download
memory/4976-44-0x0000000006A30000-0x0000000006A62000-memory.dmp

Filesize
200KB

Download
memory/4976-43-0x00000000069C0000-0x0000000006A0C000-memory.dmp

Filesize
304KB

Download
memory/4976-56-0x0000000007640000-0x00000000076E3000-memory.dmp

Filesize
652KB

Download
memory/4976-41-0x0000000006460000-0x000000000647E000-memory.dmp

Filesize
120KB

Download
memory/4976-20-0x0000000005450000-0x00000000054B6000-memory.dmp

Filesize
408KB

Download
memory/4976-21-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-26-0x0000000005E70000-0x00000000061C4000-memory.dmp

Filesize
3.3MB

Download
memory/4976-23-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-22-0x00000000054C0000-0x0000000005526000-memory.dmp

Filesize
408KB

Download
memory/4976-19-0x00000000053B0000-0x00000000053D2000-memory.dmp

Filesize
136KB

Download
memory/4976-55-0x00000000069A0000-0x00000000069BE000-memory.dmp

Filesize
120KB

Download
memory/4976-16-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-15-0x0000000004EC0000-0x0000000004EF6000-memory.dmp

Filesize
216KB

Download
memory/4976-57-0x0000000007DD0000-0x000000000844A000-memory.dmp

Filesize
6.5MB

Download
memory/4976-59-0x00000000077F0000-0x00000000077FA000-memory.dmp

Filesize
40KB

Download
memory/4976-60-0x0000000007A00000-0x0000000007A96000-memory.dmp

Filesize
600KB

Download
memory/4976-61-0x0000000007980000-0x0000000007991000-memory.dmp

Filesize
68KB

Download
memory/4976-63-0x00000000079B0000-0x00000000079BE000-memory.dmp

Filesize
56KB

Download
memory/4976-64-0x00000000079C0000-0x00000000079D4000-memory.dmp

Filesize
80KB

Download
memory/4976-66-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

Filesize
104KB

Download
memory/4976-67-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

Filesize
32KB

Download
memory/4976-70-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download