remcos | 6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 05:23

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General

Target

6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
Size

972KB
MD5

a035a6cfbe07dadcd1a4f89cc77d99b0
SHA1

ab53ba007f55daefb7dbf7d82fa135fe3046a208
SHA256

6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973
SHA512

d03baddf8283857fa4bd61cb3b279413761143605a9bc2a26e7303ac9cf125cff5d2c263ca97e30e79928c839d5ad617bb2328f615d445ad81d05771e49a010b
SSDEEP

12288:5umVWXiUJmBCk1sV2tfIUFspQ2zgKZhKV9+xhJJPeWiHD7aqZMJkR:hifJmBPfepFgahKmJejcU

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

162.251.122.76:7119

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-P2SX34
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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4072	powershell.exe
3852	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3488 set thread context of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.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 5 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	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.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
1716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
4072	powershell.exe
3852	powershell.exe
3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
4072	powershell.exe
3852	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
Token: SeDebugPrivilege	4072	powershell.exe
Token: SeDebugPrivilege	3852	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 4072	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	91
PID 3488 wrote to memory of 4072	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	91
PID 3488 wrote to memory of 4072	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	91
PID 3488 wrote to memory of 3852	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	93
PID 3488 wrote to memory of 3852	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	93
PID 3488 wrote to memory of 3852	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	93
PID 3488 wrote to memory of 1716	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	95
PID 3488 wrote to memory of 1716	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	95
PID 3488 wrote to memory of 1716	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	95
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97
PID 3488 wrote to memory of 4148	3488	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	97

C:\Users\Admin\AppData\Local\Temp\6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
"C:\Users\Admin\AppData\Local\Temp\6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.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:3488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4072
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZxiJIiRCztV.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3852
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZxiJIiRCztV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp819F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1716
- C:\Users\Admin\AppData\Local\Temp\6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
  "C:\Users\Admin\AppData\Local\Temp\6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4148

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
783f31c4f26e63ebf40c56869c7f5cef

SHA1
61ea838fa8f704943e4c4dc76aea8c7d6b171bf4

SHA256
4b3d8e22876d928bdc5c7961f6cdc883f637b688c182292de554494576438b95

SHA512
55b74db9b9c8e3179c0771b9f925e1d503e75c5db728b48b1e7834f10eb34c9712f157b6de8b169518591fc583836e569bf03c55102121ea85468df1fdac3009

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pjewxztu.qej.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp819F.tmp

Filesize
1KB

MD5
eefe58412dd83cf821439c6d2d12b432

SHA1
338cac565b7e343eadbc0ddebc4ac89bf4367edf

SHA256
6000ccdef151acaf3b5ba6d571314a389aba7b68afdb4875510b6020520d71d1

SHA512
22bd4151bce1cb3dc8cca8b2f5e9f63dbda0cd53ec2d17659ccdc1a110504936fd9cd117e9dcf3330d596f301ccef299decd6ec8f237ed07e65a33a06603e22c

Download Submit
memory/3488-8-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/3488-11-0x0000000007720000-0x00000000077E0000-memory.dmp

Filesize
768KB

Download
memory/3488-4-0x00000000056C0000-0x000000000576A000-memory.dmp

Filesize
680KB

Download
memory/3488-5-0x0000000005940000-0x000000000594A000-memory.dmp

Filesize
40KB

Download
memory/3488-6-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-7-0x0000000006260000-0x00000000062FC000-memory.dmp

Filesize
624KB

Download
memory/3488-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/3488-9-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-10-0x0000000006420000-0x0000000006432000-memory.dmp

Filesize
72KB

Download
memory/3488-3-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/3488-54-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/3488-1-0x0000000000A00000-0x0000000000AF4000-memory.dmp

Filesize
976KB

Download
memory/3852-98-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3852-37-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3852-26-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3852-82-0x000000006F230000-0x000000006F27C000-memory.dmp

Filesize
304KB

Download
memory/3852-21-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-52-0x0000000006220000-0x000000000623E000-memory.dmp

Filesize
120KB

Download
memory/4072-73-0x0000000007540000-0x000000000755A000-memory.dmp

Filesize
104KB

Download
memory/4072-16-0x0000000004C50000-0x0000000004C86000-memory.dmp

Filesize
216KB

Download
memory/4072-24-0x0000000005300000-0x0000000005366000-memory.dmp

Filesize
408KB

Download
memory/4072-17-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-18-0x00000000053F0000-0x0000000005A18000-memory.dmp

Filesize
6.2MB

Download
memory/4072-94-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-23-0x0000000005260000-0x0000000005282000-memory.dmp

Filesize
136KB

Download
memory/4072-25-0x0000000005A90000-0x0000000005AF6000-memory.dmp

Filesize
408KB

Download
memory/4072-53-0x0000000006400000-0x000000000644C000-memory.dmp

Filesize
304KB

Download
memory/4072-20-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-19-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-81-0x0000000007860000-0x0000000007868000-memory.dmp

Filesize
32KB

Download
memory/4072-80-0x0000000007880000-0x000000000789A000-memory.dmp

Filesize
104KB

Download
memory/4072-69-0x00000000071D0000-0x00000000071EE000-memory.dmp

Filesize
120KB

Download
memory/4072-70-0x0000000007230000-0x00000000072D3000-memory.dmp

Filesize
652KB

Download
memory/4072-59-0x000000006F230000-0x000000006F27C000-memory.dmp

Filesize
304KB

Download
memory/4072-58-0x00000000067C0000-0x00000000067F2000-memory.dmp

Filesize
200KB

Download
memory/4072-79-0x0000000007780000-0x0000000007794000-memory.dmp

Filesize
80KB

Download
memory/4072-36-0x0000000005C00000-0x0000000005F54000-memory.dmp

Filesize
3.3MB

Download
memory/4072-71-0x0000000007B80000-0x00000000081FA000-memory.dmp

Filesize
6.5MB

Download
memory/4072-75-0x00000000075B0000-0x00000000075BA000-memory.dmp

Filesize
40KB

Download
memory/4072-76-0x00000000077C0000-0x0000000007856000-memory.dmp

Filesize
600KB

Download
memory/4072-77-0x0000000007740000-0x0000000007751000-memory.dmp

Filesize
68KB

Download
memory/4072-78-0x0000000007770000-0x000000000777E000-memory.dmp

Filesize
56KB

Download
memory/4148-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4148-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download