remcos | 6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973

Analysis

max time kernel
148s
max time network
146s
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 05:34

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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

Processes:

powershell.exepowershell.exe

pid process

1256 powershell.exe
3772 powershell.exe

pid	process
1256	powershell.exe
3772	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

Processes:

6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe

description	pid	process	target process
PID 1700 set thread context of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe

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

Processes:

powershell.exepowershell.exeschtasks.exe6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe

description	ioc	process
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
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

Processes:

schtasks.exe

pid process

2592 schtasks.exe

pid	process
2592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exepowershell.exepowershell.exe

pid	process
1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
3772	powershell.exe
1256	powershell.exe
1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
3772	powershell.exe
1256	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
Token: SeDebugPrivilege	3772	powershell.exe
Token: SeDebugPrivilege	1256	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe

description	pid	process	target process
PID 1700 wrote to memory of 3772	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	powershell.exe
PID 1700 wrote to memory of 3772	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	powershell.exe
PID 1700 wrote to memory of 3772	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	powershell.exe
PID 1700 wrote to memory of 1256	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	powershell.exe
PID 1700 wrote to memory of 1256	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	powershell.exe
PID 1700 wrote to memory of 1256	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	powershell.exe
PID 1700 wrote to memory of 2592	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	schtasks.exe
PID 1700 wrote to memory of 2592	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	schtasks.exe
PID 1700 wrote to memory of 2592	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	schtasks.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
PID 1700 wrote to memory of 4576	1700	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe	6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe

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:1700
- 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:3772
- 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:1256
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZxiJIiRCztV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72F9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2592
- C:\Users\Admin\AppData\Local\Temp\6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe
  "C:\Users\Admin\AppData\Local\Temp\6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4576

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

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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
6b319897102b0f25bf882b55f17e0788

SHA1
91140f19f60821cda42e32ce47529fc130cfc738

SHA256
09ed3bc32f935ec581405fb5c59a51bd3c283c3eed41a55b8c51767034156d77

SHA512
e0d17e60e0d1e8ebb8feeb7832d96ea482e3609c37cac0196697f75d5d3dc5e0d9f9a7be7680beb6e31eb1d8bf84426366d8940e60f2ceab3bd88de8127c6882

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3zjrklua.1bc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp72F9.tmp

Filesize
1KB

MD5
e1b7f081343226f177fdb86afaa563ec

SHA1
34cf07e4ca827fc37b7e706097173b3cfa2df14e

SHA256
afa54bc23698c4feca855f6ad2e9c1655a198a50c5c90d3a74955058bbc62991

SHA512
ee2b36087c116d361bc65956670769127f095570ba0e6d0e104acb7209d54e2626ab46ffab08aa2380579aa1629a1dddf7d66c982678b27609199b449d0edcbd

Download Submit
memory/1256-83-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

Filesize
40KB

Download
memory/1256-21-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1256-59-0x0000000074F60000-0x0000000074FAC000-memory.dmp

Filesize
304KB

Download
memory/1256-69-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

Filesize
120KB

Download
memory/1256-70-0x0000000006A30000-0x0000000006AD3000-memory.dmp

Filesize
652KB

Download
memory/1256-58-0x00000000069F0000-0x0000000006A22000-memory.dmp

Filesize
200KB

Download
memory/1256-36-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1256-85-0x0000000006F50000-0x0000000006F61000-memory.dmp

Filesize
68KB

Download
memory/1256-95-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1256-87-0x0000000006F90000-0x0000000006FA4000-memory.dmp

Filesize
80KB

Download
memory/1256-23-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1256-89-0x0000000007070000-0x0000000007078000-memory.dmp

Filesize
32KB

Download
memory/1256-88-0x0000000007090000-0x00000000070AA000-memory.dmp

Filesize
104KB

Download
memory/1700-11-0x00000000070C0000-0x0000000007180000-memory.dmp

Filesize
768KB

Download
memory/1700-3-0x0000000005230000-0x00000000052C2000-memory.dmp

Filesize
584KB

Download
memory/1700-4-0x0000000005380000-0x000000000542A000-memory.dmp

Filesize
680KB

Download
memory/1700-5-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/1700-10-0x0000000005F80000-0x0000000005F92000-memory.dmp

Filesize
72KB

Download
memory/1700-2-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/1700-1-0x0000000000720000-0x0000000000814000-memory.dmp

Filesize
976KB

Download
memory/1700-9-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1700-8-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/1700-7-0x0000000005F90000-0x000000000602C000-memory.dmp

Filesize
624KB

Download
memory/1700-52-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1700-6-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1700-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/3772-53-0x0000000006110000-0x000000000612E000-memory.dmp

Filesize
120KB

Download
memory/3772-96-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3772-54-0x00000000061D0000-0x000000000621C000-memory.dmp

Filesize
304KB

Download
memory/3772-16-0x0000000002810000-0x0000000002846000-memory.dmp

Filesize
216KB

Download
memory/3772-18-0x00000000053E0000-0x0000000005A08000-memory.dmp

Filesize
6.2MB

Download
memory/3772-17-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3772-19-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3772-20-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3772-24-0x0000000005350000-0x0000000005372000-memory.dmp

Filesize
136KB

Download
memory/3772-37-0x0000000005B60000-0x0000000005EB4000-memory.dmp

Filesize
3.3MB

Download
memory/3772-71-0x0000000074F60000-0x0000000074FAC000-memory.dmp

Filesize
304KB

Download
memory/3772-81-0x0000000007AA0000-0x000000000811A000-memory.dmp

Filesize
6.5MB

Download
memory/3772-82-0x0000000007460000-0x000000000747A000-memory.dmp

Filesize
104KB

Download
memory/3772-25-0x0000000005A80000-0x0000000005AE6000-memory.dmp

Filesize
408KB

Download
memory/3772-84-0x00000000076E0000-0x0000000007776000-memory.dmp

Filesize
600KB

Download
memory/3772-26-0x0000000005AF0000-0x0000000005B56000-memory.dmp

Filesize
408KB

Download
memory/3772-86-0x0000000007690000-0x000000000769E000-memory.dmp

Filesize
56KB

Download
memory/4576-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4576-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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memory/4576-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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memory/4576-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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memory/4576-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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