remcos | 6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324

General

Target

6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe
Size

200.0MB
MD5

e96d2b0fc898450f7101e0b007f031ed
SHA1

4e7c9b2282473ce1b9540a6e200b9a56f0d96fab
SHA256

6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324
SHA512

3f5e2e789d2ad671f7ab2577c611dcd7bd993bcacdbd1bca61e847d41c9a4593056aaac55ca4656b76a8e53eccd03b655e0114b7797776787a222407c51b10b6
SSDEEP

12288:QepjFIU145KRzXB9eLlKfQpMxYk1jTquBLE42tTyMbljGcREsGzGo6wIzc:JpCUPRbB9ucQCL2uBGTPZGcaBzGp7c

Score

10^/10

remcos googlegroupaccount discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

googlegroupaccount

C2

213.152.187.241:12776

10.14.10.19:12776

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
googlegroupaccount.exe
copy_folder
googlegroupaccount
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-6741XM
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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

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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe

Executes dropped EXE 2 IoCs

pid	Process
4632	googlegroupaccount.exe
4676	googlegroupaccount.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-6741XM = "\"C:\\Users\\Admin\\AppData\\Roaming\\googlegroupaccount\\googlegroupaccount.exe\""	googlegroupaccount.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-6741XM = "\"C:\\Users\\Admin\\AppData\\Roaming\\googlegroupaccount\\googlegroupaccount.exe\""	googlegroupaccount.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-6741XM = "\"C:\\Users\\Admin\\AppData\\Roaming\\googlegroupaccount\\googlegroupaccount.exe\""	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-6741XM = "\"C:\\Users\\Admin\\AppData\\Roaming\\googlegroupaccount\\googlegroupaccount.exe\""	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3772 set thread context of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 4632 set thread context of 4676	4632	googlegroupaccount.exe	93

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	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	googlegroupaccount.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	googlegroupaccount.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4676	googlegroupaccount.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3772 wrote to memory of 3920	3772	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	87
PID 3920 wrote to memory of 4632	3920	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	90
PID 3920 wrote to memory of 4632	3920	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	90
PID 3920 wrote to memory of 4632	3920	6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe	90
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93
PID 4632 wrote to memory of 4676	4632	googlegroupaccount.exe	93

C:\Users\Admin\AppData\Local\Temp\6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe
"C:\Users\Admin\AppData\Local\Temp\6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3772
- C:\Users\Admin\AppData\Local\Temp\6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe
  "C:\Users\Admin\AppData\Local\Temp\6d554ac11c8c0fa0ae5c676e14c8c6eb51956414c57db4a1a0cec9c8e30e0324.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3920
- - C:\Users\Admin\AppData\Roaming\googlegroupaccount\googlegroupaccount.exe
    "C:\Users\Admin\AppData\Roaming\googlegroupaccount\googlegroupaccount.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4632
  - - C:\Users\Admin\AppData\Roaming\googlegroupaccount\googlegroupaccount.exe
      "C:\Users\Admin\AppData\Roaming\googlegroupaccount\googlegroupaccount.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:4676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
95654ba952895bdeb37fe6b65efad0c1

SHA1
6ab3e76cb6d76192c5088323b9c05d8ae26a97fd

SHA256
ab3c0b4ebe3b6a86f5ca4d02ef60aba90a5d89797cb430d75218ccb9000066d2

SHA512
ff5eeaca08b645ccf2a8fa69325603800dbdb3bf4c6a059111f9f73a986767030023bfc8bcdcc6a7bf6de129d8353adf75beb34f909f9b7fb24a3e1e38b8a2cf

Download Submit
memory/3772-9-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3772-1-0x0000000000EB0000-0x0000000000F7A000-memory.dmp

Filesize
808KB

Download
memory/3772-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/3772-3-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3772-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3920-5-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3920-8-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3920-4-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3920-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3920-7-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4632-22-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download
memory/4632-23-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-35-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Filesize
7.7MB

Download
memory/4676-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-26-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-28-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-41-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-47-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-53-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-59-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-61-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-66-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-72-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4676-73-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads