remcos | ad32c876c3e4581137392cba029ef6f69a50d26c7fab4f2f488f20cf3f29c8c2

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 05:17

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General

Target

9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe
Size

1.1MB
MD5

6c6dcfc1b71a39e2a1671f20507f4246
SHA1

424defefcf75932443ba4c681db36cdb28f5569d
SHA256

9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10
SHA512

e68db9a496ced68f49fbc4b39e6365813ce8e44d8b11070e76b738788a942268a5d38397440b6fb6e789ff24e05b075682100fb50118c2a4bfe14c96970bbd4d
SSDEEP

24576:NK777777777777Bi1fjBWjE1UOBarHJ0OnXhhcOg7tOX2sBsFzoa:s7777777777770NjkjchMpvXhvgsDiFz

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

azuite.ddns.net:7667

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
stub1-C43YU8
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
take_screenshot_title
notepad;solitaire;

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
1132	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4244 set thread context of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1800	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe
1132	powershell.exe
4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe
1132	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe
Token: SeDebugPrivilege	1132	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2732	RegSvcs.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 1132	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	101
PID 4244 wrote to memory of 1132	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	101
PID 4244 wrote to memory of 1132	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	101
PID 4244 wrote to memory of 1800	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	103
PID 4244 wrote to memory of 1800	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	103
PID 4244 wrote to memory of 1800	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	103
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105
PID 4244 wrote to memory of 2732	4244	9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe	105

C:\Users\Admin\AppData\Local\Temp\9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.exe
"C:\Users\Admin\AppData\Local\Temp\9c273d9b8a1cee3f64842482dfde7a2bf9e107a7f86a189b56d2571f40838f10.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:4244
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SSCHSrcP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1132
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SSCHSrcP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp362E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1800
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2732

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_cg2ff5hz.fqk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp362E.tmp

Filesize
1KB

MD5
f2ca7dbe9a76b112eee99e5c84fde961

SHA1
ebcdbcba557a091c3683e00c8e063d716ed90e55

SHA256
28a5ad1121fbc1626037d79521eefe42d6be2e6f170af3fbf78c941fa41663aa

SHA512
797225007d0f366525731023531f4b151fbf285166f15692b1ab2e23824ff7b33b7f85128dcf27936e2ad1009f74941db06abf77f600e024a01f07ceccba7cd9

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
144B

MD5
987aa36ef7eee46c0c290faa8cae72a7

SHA1
f6f354ff8b809c177ceb7ac0d3429c53ee8c544d

SHA256
1e6bda985b4212383f0fbf966239bef6a5568002ab1113b0be684bcb5292fbb4

SHA512
5b8e275518d7cb6a9b1e1de0c1539f9f0b48f6c3d3754d99e179e47c22b32875c497d3131308e3d2916fb36e80a03366ec8f4a8145b302a4c2cc15818c7eaa90

Download Submit
memory/1132-60-0x0000000007DC0000-0x000000000843A000-memory.dmp

Filesize
6.5MB

Download
memory/1132-61-0x0000000007780000-0x000000000779A000-memory.dmp

Filesize
104KB

Download
memory/1132-44-0x0000000006420000-0x000000000643E000-memory.dmp

Filesize
120KB

Download
memory/1132-72-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1132-69-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

Filesize
32KB

Download
memory/1132-68-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

Filesize
104KB

Download
memory/1132-66-0x00000000079C0000-0x00000000079D4000-memory.dmp

Filesize
80KB

Download
memory/1132-65-0x00000000079B0000-0x00000000079BE000-memory.dmp

Filesize
56KB

Download
memory/1132-15-0x0000000002B30000-0x0000000002B66000-memory.dmp

Filesize
216KB

Download
memory/1132-16-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1132-18-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1132-17-0x0000000005750000-0x0000000005D78000-memory.dmp

Filesize
6.2MB

Download
memory/1132-19-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1132-64-0x0000000007980000-0x0000000007991000-memory.dmp

Filesize
68KB

Download
memory/1132-21-0x0000000005590000-0x00000000055B2000-memory.dmp

Filesize
136KB

Download
memory/1132-63-0x0000000007A00000-0x0000000007A96000-memory.dmp

Filesize
600KB

Download
memory/1132-62-0x00000000077F0000-0x00000000077FA000-memory.dmp

Filesize
40KB

Download
memory/1132-45-0x0000000006520000-0x000000000656C000-memory.dmp

Filesize
304KB

Download
memory/1132-59-0x0000000007650000-0x00000000076F3000-memory.dmp

Filesize
652KB

Download
memory/1132-58-0x0000000006A00000-0x0000000006A1E000-memory.dmp

Filesize
120KB

Download
memory/1132-43-0x0000000005FA0000-0x00000000062F4000-memory.dmp

Filesize
3.3MB

Download
memory/1132-48-0x000000006F4F0000-0x000000006F53C000-memory.dmp

Filesize
304KB

Download
memory/1132-47-0x0000000006A20000-0x0000000006A52000-memory.dmp

Filesize
200KB

Download
memory/1132-27-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/1132-30-0x0000000005E30000-0x0000000005E96000-memory.dmp

Filesize
408KB

Download
memory/2732-74-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2732-37-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2732-31-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2732-35-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2732-32-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2732-40-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2732-41-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/4244-3-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/4244-1-0x0000000000D90000-0x0000000000EAC000-memory.dmp

Filesize
1.1MB

Download
memory/4244-4-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4244-6-0x0000000005DC0000-0x0000000005DD0000-memory.dmp

Filesize
64KB

Download
memory/4244-28-0x0000000007530000-0x00000000075AA000-memory.dmp

Filesize
488KB

Download
memory/4244-46-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4244-10-0x0000000007130000-0x000000000722A000-memory.dmp

Filesize
1000KB

Download
memory/4244-7-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4244-8-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4244-9-0x0000000006E60000-0x0000000006EFC000-memory.dmp

Filesize
624KB

Download
memory/4244-2-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/4244-5-0x00000000058A0000-0x00000000058AA000-memory.dmp

Filesize
40KB

Download
memory/4244-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download