remcos | 492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216c

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 04:05

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General

Target

492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe
Size

3.1MB
MD5

cc01ba767b84341b18a667e5a18d3e10
SHA1

40f7ecb03cd6c05bee9646ff23695567da6daf65
SHA256

492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216c
SHA512

17c296c87d3439fbe70f9349be83775d7dad74c47f9c1cb7e0bf3c15e08042d3f4e29a79d53833bbd3d339d222aebf0e55501fbce8997224be4aad48ed9cf2ca
SSDEEP

98304:ca2fiTDhMcp79ZSOpwwSbhUILNDVxQP+7dDpUz6cs:cxfiue47Fz8aW6

Score

10^/10

remcos newmill discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

NEWMILL

milhouse2024.con-ip.com:2024

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
true
install_flag
false
keylog_crypt
false
keylog_file
registros.dat
keylog_flag
false
keylog_folder
khvdjke
mouse_option
false
mutex
kyegibkfesdcsasdwqed-CW2LCL
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Capturas de pantalla
screenshot_path
%AppData%
screenshot_time
10
startup_value
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Njmqhs = "C:\\Users\\Admin\\AppData\\Roaming\\Njmqhs.exe"	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 788 set thread context of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92

System Location Discovery: System Language Discovery 1 TTPs 2 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	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe
Token: SeDebugPrivilege	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2240	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92
PID 788 wrote to memory of 2240	788	492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe	92

C:\Users\Admin\AppData\Local\Temp\492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe
"C:\Users\Admin\AppData\Local\Temp\492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:788
- C:\Users\Admin\AppData\Local\Temp\492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe
  "C:\Users\Admin\AppData\Local\Temp\492fc01ffdc6bc22ae8091af1d51f00e1966edd10f4f16c0e598b5f961cb216cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2240

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4616,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=3768 /prefetch:8
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\khvdjke\registros.dat

Filesize
184B

MD5
269d0271e635a5e66d9dcf2523b1bf6e

SHA1
efff9b3bf8a6ee98cba020c568397c629e20aa1b

SHA256
97bae27ec0c5b610a4346ec223ddcd18a023b8c6d452cb016b6c7896521d72d7

SHA512
468f2ee9ba2adfaaea6c9ed9c6bd481a28111030f4ef00446462d1d59a7604238c719419380b121fd1af0bc1cfc5d556305b0edae7a67dacb2123a9cc857e72c

Download Submit
memory/788-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/788-1-0x0000000000D30000-0x000000000104A000-memory.dmp

Filesize
3.1MB

Download
memory/788-2-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/788-3-0x0000000006B20000-0x0000000006FD4000-memory.dmp

Filesize
4.7MB

Download
memory/788-4-0x0000000006FE0000-0x000000000723E000-memory.dmp

Filesize
2.4MB

Download
memory/788-5-0x00000000077F0000-0x0000000007D94000-memory.dmp

Filesize
5.6MB

Download
memory/788-6-0x00000000072E0000-0x0000000007372000-memory.dmp

Filesize
584KB

Download
memory/788-7-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-18-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-38-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-70-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-46-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-44-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-42-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-40-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-34-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-32-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-30-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-26-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-36-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-28-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-24-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-23-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-16-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-14-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-12-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-10-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-8-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-20-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-68-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-66-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-64-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-62-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-60-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-58-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-56-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-54-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-52-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-50-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-48-0x0000000006FE0000-0x0000000007238000-memory.dmp

Filesize
2.3MB

Download
memory/788-2173-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/788-2541-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/788-4895-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/788-4896-0x0000000005A70000-0x0000000005B0A000-memory.dmp

Filesize
616KB

Download
memory/788-4897-0x0000000005C60000-0x0000000005CAC000-memory.dmp

Filesize
304KB

Download
memory/788-4898-0x0000000005CB0000-0x0000000005D04000-memory.dmp

Filesize
336KB

Download
memory/788-4905-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2240-4904-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2240-4913-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads