remcos | 064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870

General

Target

064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
Size

481KB
MD5

2ffd9f6b21a02f0ce67c23266d0e11c0
SHA1

00b76b0580c9780936a4f3d8257be0fb41f1431d
SHA256

064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870
SHA512

e6773290a03eadb2302904b536402412d0dcebf1b8e5b885f12223177769e1b63012b50913d89b122a6c6de6f9b02a61c50e899a610dd56deec81861868b5ded
SSDEEP

12288:3uD09AUkNIGBYYv4eK13x13nZHSRVMf139F5wIB7+IwtHwBtVxbesvZDSH+DY:q09AfNIEYsunZvZ19ZAs

Score

10^/10

remcos dpdnow discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

DPDNOW

C2

dpdnow.duckdns.org:8452

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-A34JIZ
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

Executes dropped EXE 1 IoCs

pid	Process
2948	remcos.exe

Loads dropped DLL 2 IoCs

pid	Process
2816	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
2816	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-A34JIZ = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-A34JIZ = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	remcos.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-A34JIZ = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	remcos.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-A34JIZ = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.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 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	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	remcos.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2948	remcos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2948	2816	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe	30
PID 2816 wrote to memory of 2948	2816	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe	30
PID 2816 wrote to memory of 2948	2816	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe	30
PID 2816 wrote to memory of 2948	2816	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe	30

C:\Users\Admin\AppData\Local\Temp\064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
"C:\Users\Admin\AppData\Local\Temp\064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\ProgramData\Remcos\remcos.exe
  "C:\ProgramData\Remcos\remcos.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2948

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

System Information Discovery

1

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
697abd9d462b3c766096c8ba5a1b58a8

SHA1
81dbdcac75402d8e33f605b8a7f8fcdba2d0a388

SHA256
a039eed9853859c713da95a27232a1f602571db2cb2f913803e390702e618a21

SHA512
0eedace432033fc80f1e677f3ab0a9563766d97c7e561cee8c4afccdbab9f9cbdf28cff8eae385baa98d60c6428288bfe3ca24f0c5f9580b5f6c6b06686e3025

Download Submit
\ProgramData\Remcos\remcos.exe

Filesize
481KB

MD5
2ffd9f6b21a02f0ce67c23266d0e11c0

SHA1
00b76b0580c9780936a4f3d8257be0fb41f1431d

SHA256
064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870

SHA512
e6773290a03eadb2302904b536402412d0dcebf1b8e5b885f12223177769e1b63012b50913d89b122a6c6de6f9b02a61c50e899a610dd56deec81861868b5ded

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads