remcos | 1bd0be551dddca318d0d5900bdec33945c8c1dba5a7aa6be77ce5a150eb3d797

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 17:10

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General

Target

0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
Size

932KB
MD5

64e16402e0b5cb51390ae3045c20a7df
SHA1

a5d496972c0344e5d72272d03daa5fcadabcc87d
SHA256

0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820
SHA512

5e2c69c2922591ee05d1d272e6acea984a8b5d9332f07629ecb3c14e06a516b61ec460b0b438f29155d995c39aa14e4c1eaa7b3233dc6fc8104a9f2f6bb197bc
SSDEEP

24576:zYQactqtW214Y3PTp8au7Yf7nP0zChutXNBxRv6N:zS1d3Pl8aueEqutDxJ

Score

10^/10

remcos 5764576 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

5764576

172.93.218.178:45667

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
765-XJJE0J
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

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
2552	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3192 set thread context of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97

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	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.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	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.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
1916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2552	powershell.exe
2552	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 2552	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	93
PID 3192 wrote to memory of 2552	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	93
PID 3192 wrote to memory of 2552	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	93
PID 3192 wrote to memory of 1916	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	95
PID 3192 wrote to memory of 1916	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	95
PID 3192 wrote to memory of 1916	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	95
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97
PID 3192 wrote to memory of 384	3192	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	97

C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
"C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3192
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tNkpyCqWiCcy.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2552
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tNkpyCqWiCcy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA47D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1916
- C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
  "C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:384

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_0y5iao0i.ado.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA47D.tmp

Filesize
1KB

MD5
76b4326b12492b205689e062fdb15e74

SHA1
1d20d4e9e3ed11f71eaccd53192cfbb72915c63f

SHA256
f534504152530786ee0411c006a10d7f6ebc0ce6c2f47f91a4e2b1169069a6d2

SHA512
1341b1120cc4d5f87d0d0e1f781ceeda3c889935fe2c0898f6824c946aaf3c83ec0548ee0942a2255579f5db25cca8b0694531c26ab3604a9dc75ca4c6c5fb33

Download Submit
memory/384-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/384-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-19-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2552-62-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

Filesize
68KB

Download
memory/2552-16-0x0000000002E30000-0x0000000002E66000-memory.dmp

Filesize
216KB

Download
memory/2552-27-0x0000000006160000-0x00000000064B4000-memory.dmp

Filesize
3.3MB

Download
memory/2552-23-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/2552-21-0x0000000005670000-0x0000000005692000-memory.dmp

Filesize
136KB

Download
memory/2552-18-0x00000000059C0000-0x0000000005FE8000-memory.dmp

Filesize
6.2MB

Download
memory/2552-43-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/2552-17-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2552-44-0x0000000006D10000-0x0000000006D5C000-memory.dmp

Filesize
304KB

Download
memory/2552-22-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/2552-46-0x0000000074DC0000-0x0000000074E0C000-memory.dmp

Filesize
304KB

Download
memory/2552-45-0x00000000077B0000-0x00000000077E2000-memory.dmp

Filesize
200KB

Download
memory/2552-56-0x0000000006D60000-0x0000000006D7E000-memory.dmp

Filesize
120KB

Download
memory/2552-57-0x00000000079F0000-0x0000000007A93000-memory.dmp

Filesize
652KB

Download
memory/2552-58-0x0000000008120000-0x000000000879A000-memory.dmp

Filesize
6.5MB

Download
memory/2552-59-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/2552-60-0x0000000007B40000-0x0000000007B4A000-memory.dmp

Filesize
40KB

Download
memory/2552-61-0x0000000007D50000-0x0000000007DE6000-memory.dmp

Filesize
600KB

Download
memory/2552-28-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2552-63-0x0000000007D00000-0x0000000007D0E000-memory.dmp

Filesize
56KB

Download
memory/2552-64-0x0000000007D10000-0x0000000007D24000-memory.dmp

Filesize
80KB

Download
memory/2552-65-0x0000000007E10000-0x0000000007E2A000-memory.dmp

Filesize
104KB

Download
memory/2552-66-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/2552-69-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-7-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/3192-42-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-11-0x0000000009280000-0x000000000931C000-memory.dmp

Filesize
624KB

Download
memory/3192-10-0x00000000067F0000-0x00000000068AE000-memory.dmp

Filesize
760KB

Download
memory/3192-9-0x0000000006630000-0x000000000663E000-memory.dmp

Filesize
56KB

Download
memory/3192-8-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/3192-6-0x0000000006E10000-0x0000000006E2A000-memory.dmp

Filesize
104KB

Download
memory/3192-5-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-4-0x0000000005570000-0x000000000557A000-memory.dmp

Filesize
40KB

Download
memory/3192-3-0x00000000054B0000-0x0000000005542000-memory.dmp

Filesize
584KB

Download
memory/3192-2-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/3192-1-0x00000000009D0000-0x0000000000ABC000-memory.dmp

Filesize
944KB

Download