remcos | fb9c582f9d6dae1bef336385ed2bedfa354d63b05ab50e60fb7b48889cd3e0ee

General

Target

2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe
Size

515KB
MD5

48dba8e656fb4b37abc3d911e4996c99
SHA1

3c9b14696e656a48062b650054dbcd47f2ff7638
SHA256

fb9c582f9d6dae1bef336385ed2bedfa354d63b05ab50e60fb7b48889cd3e0ee
SHA512

bf27a885176cd6c0d2e1f6b8360a7ae888403f115110cfc046554b911919a19442f3c4d2c672d42ed65689a9cb7882163f28389a3239bca918cf2913d3997868
SSDEEP

6144:aIlSCa0RPvRz+n8Qr1D0ZGESuHabmvHOE4mCp6qtydBnP+Y4+3sAORZGFX3Xc6+J:a200OFp+G0imvHn3Cp6qyBP+YdsvZGY

Score

10^/10

remcos remotehost discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
wsp.exe
copy_folder
WSP
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
wsp-KG6IRP
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-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation	2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe

Executes dropped EXE 5 IoCs

pid	Process
1516	wsp.exe
6016	wsp.exe
4616	wsp.exe
4044	wsp.exe
4608	wsp.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-1-5-21-3920955164-3782810283-1225622749-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsp-KG6IRP = "\"C:\\ProgramData\\WSP\\wsp.exe\""	2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wsp-KG6IRP = "\"C:\\ProgramData\\WSP\\wsp.exe\""	2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsp-KG6IRP = "\"C:\\ProgramData\\WSP\\wsp.exe\""	wsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wsp-KG6IRP = "\"C:\\ProgramData\\WSP\\wsp.exe\""	wsp.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 3 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	wsp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wsp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 1516	4480	cmd.exe	90
PID 4480 wrote to memory of 1516	4480	cmd.exe	90
PID 4480 wrote to memory of 1516	4480	cmd.exe	90
PID 5716 wrote to memory of 6016	5716	cmd.exe	91
PID 5716 wrote to memory of 6016	5716	cmd.exe	91
PID 5716 wrote to memory of 6016	5716	cmd.exe	91
PID 3064 wrote to memory of 4616	3064	2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe	96
PID 3064 wrote to memory of 4616	3064	2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe	96
PID 3064 wrote to memory of 4616	3064	2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe	96
PID 2316 wrote to memory of 4044	2316	cmd.exe	97
PID 2316 wrote to memory of 4044	2316	cmd.exe	97
PID 2316 wrote to memory of 4044	2316	cmd.exe	97
PID 2124 wrote to memory of 4608	2124	cmd.exe	98
PID 2124 wrote to memory of 4608	2124	cmd.exe	98
PID 2124 wrote to memory of 4608	2124	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- C:\ProgramData\WSP\wsp.exe
  "C:\ProgramData\WSP\wsp.exe"
  2⤵
  - Executes dropped EXE
  PID:4616

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\ProgramData\WSP\wsp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5716
- C:\ProgramData\WSP\wsp.exe
  C:\ProgramData\WSP\wsp.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:6016

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\ProgramData\WSP\wsp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4480
- C:\ProgramData\WSP\wsp.exe
  C:\ProgramData\WSP\wsp.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1516

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\ProgramData\WSP\wsp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\ProgramData\WSP\wsp.exe
  C:\ProgramData\WSP\wsp.exe
  2⤵
  - Executes dropped EXE
  PID:4044

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\ProgramData\WSP\wsp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\ProgramData\WSP\wsp.exe
  C:\ProgramData\WSP\wsp.exe
  2⤵
  - Executes dropped EXE
  PID:4608

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\WSP\wsp.exe

Filesize
515KB

MD5
48dba8e656fb4b37abc3d911e4996c99

SHA1
3c9b14696e656a48062b650054dbcd47f2ff7638

SHA256
fb9c582f9d6dae1bef336385ed2bedfa354d63b05ab50e60fb7b48889cd3e0ee

SHA512
bf27a885176cd6c0d2e1f6b8360a7ae888403f115110cfc046554b911919a19442f3c4d2c672d42ed65689a9cb7882163f28389a3239bca918cf2913d3997868

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads