remcos | 5d87db3dbc77465da266dc2e1170868aa69989ee58c3cf5d47d651cb464a1603

General

Target

RippleSpoofer_Cracked.exe
Size

474KB
MD5

5ee735abdc2e7dc0742ebf980d9c1f82
SHA1

fd0c01860d7f74353ace68a883d28368d460cc76
SHA256

5d87db3dbc77465da266dc2e1170868aa69989ee58c3cf5d47d651cb464a1603
SHA512

2795ddc7b8df076d6b185418661393486dca6418e8c5f0abee7dc3951714e77d842a3283d701757646191d6ff1a0b07d3aa1b582c704b35a62fc018b4146cba9
SSDEEP

12288:/mnk7iLJbpIpiRL6I2WhSKQ9ZsfZQScen9:liLJbpI7I2WhQqZ7ce9

Score

10^/10

remcos ripplespoofer_cracked discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RippleSpoofer_Cracked

C2

work-planners.gl.at.ply.gg:21606

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
true
hide_keylog_file
false
install_flag
true
install_path
%SystemDrive%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-N03AI6
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

Checks computer location settings 2 TTPs 2 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	RippleSpoofer_Cracked.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
1664	remcos.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\Remcos\\remcos.exe\""	remcos.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\Remcos\\remcos.exe\""	remcos.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\Remcos\\remcos.exe\""	RippleSpoofer_Cracked.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\Remcos\\remcos.exe\""	RippleSpoofer_Cracked.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1664 set thread context of 4144	1664	remcos.exe	91

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	remcos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RippleSpoofer_Cracked.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	RippleSpoofer_Cracked.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1664	remcos.exe
1664	remcos.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1664	remcos.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 516	4544	RippleSpoofer_Cracked.exe	84
PID 4544 wrote to memory of 516	4544	RippleSpoofer_Cracked.exe	84
PID 4544 wrote to memory of 516	4544	RippleSpoofer_Cracked.exe	84
PID 516 wrote to memory of 4832	516	WScript.exe	88
PID 516 wrote to memory of 4832	516	WScript.exe	88
PID 516 wrote to memory of 4832	516	WScript.exe	88
PID 4832 wrote to memory of 1664	4832	cmd.exe	90
PID 4832 wrote to memory of 1664	4832	cmd.exe	90
PID 4832 wrote to memory of 1664	4832	cmd.exe	90
PID 1664 wrote to memory of 4144	1664	remcos.exe	91
PID 1664 wrote to memory of 4144	1664	remcos.exe	91
PID 1664 wrote to memory of 4144	1664	remcos.exe	91
PID 1664 wrote to memory of 4144	1664	remcos.exe	91

C:\Users\Admin\AppData\Local\Temp\RippleSpoofer_Cracked.exe
"C:\Users\Admin\AppData\Local\Temp\RippleSpoofer_Cracked.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:516
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c "C:\Remcos\remcos.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4832
  - - C:\Remcos\remcos.exe
      C:\Remcos\remcos.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:1664
    - - \??\c:\program files (x86)\internet explorer\iexplore.exe
        
        "c:\program files (x86)\internet explorer\iexplore.exe"
        5⤵
        
        PID:4144

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:\Remcos\remcos.exe

Filesize
474KB

MD5
5ee735abdc2e7dc0742ebf980d9c1f82

SHA1
fd0c01860d7f74353ace68a883d28368d460cc76

SHA256
5d87db3dbc77465da266dc2e1170868aa69989ee58c3cf5d47d651cb464a1603

SHA512
2795ddc7b8df076d6b185418661393486dca6418e8c5f0abee7dc3951714e77d842a3283d701757646191d6ff1a0b07d3aa1b582c704b35a62fc018b4146cba9

Download Submit
C:\Users\Admin\AppData\Local\Temp\install.vbs

Filesize
362B

MD5
bf073fea4f0dc0dd4396a28625365359

SHA1
ade8ba17f8966408e913ed6fef7f8a74edba4c5f

SHA256
051b2712be665237334d3ce6faa46eb64e7742587736385ea0162c4fa64ba59a

SHA512
f76deba47027204bfce82d62c21b87ec51e1c2f97a4c1575ab7b64fe7de47659d4f1f8a5f228a3446789353d7bf359ddb257d98340c75974139bc3afc002d446

Download Submit
memory/4144-9-0x0000000001350000-0x00000000013D0000-memory.dmp

Filesize
512KB

Download
memory/4144-10-0x0000000001350000-0x00000000013D0000-memory.dmp

Filesize
512KB

Download
memory/4144-12-0x0000000001350000-0x00000000013D0000-memory.dmp

Filesize
512KB

Download
memory/4144-11-0x0000000001350000-0x00000000013D0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads