remcos | 24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d

General

Target

24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe
Size

3.9MB
MD5

472cd96b1b5771243c40c10cd034324e
SHA1

e6544fd71357a36bf5bad454a2662ef3af7a4e03
SHA256

24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d
SHA512

3ed7fbffc297595e71193c26e3d6468f943dd94f13fbdd65358c4e47c89ab35f50c294894f6e798e05491de9518d8281864752659f84f33fea589099ed466a1f
SSDEEP

49152:SqXI6JHV5G/XEeLTSB/PzpvxGDNMzZxiOkwSF3Gsw/D+ZuWjH6CiolZ:St6JHS/KnzpvxGpM9xUX3rPjR

Score

10^/10

remcos sol4 discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

sol4

C2

formationslistcomplet2.sexidude.com:30201

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
false
keylog_crypt
false
keylog_file
registros.dat
keylog_flag
false
keylog_folder
registro
mouse_option
false
mutex
kkdhhcnbvyrmqyodgffgfdds-SO2AWR
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
Remcos family
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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PerfectouinVans = "C:\\Users\\Admin\\Documents\\Perfectouin\\Bin\\PerfectouinVans.exe"	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe

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	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2724	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2724	1792	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe	89
PID 1792 wrote to memory of 2724	1792	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe	89
PID 1792 wrote to memory of 2724	1792	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe	89
PID 1792 wrote to memory of 2724	1792	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe	89
PID 1792 wrote to memory of 2724	1792	24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe	89

C:\Users\Admin\AppData\Local\Temp\24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe
"C:\Users\Admin\AppData\Local\Temp\24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Temp\24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe
  "C:\Users\Admin\AppData\Local\Temp\24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2724

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 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\registro\registros.dat

Filesize
184B

MD5
262c680d8a930727bb22e9a2e8be9cbd

SHA1
fb6834df05a1b32eaa48081d423e7a9d92ec42dc

SHA256
056e16934d93af7a962aeb9df21728a665968b9ae03c1eb1a4293ad926972bd5

SHA512
114d4f60d0949ff7d52f39fa77b2ac21b39f7d9597433d9a6e8cb336781584f24dc3409ac88bcc4f1e5d8b7a8b4a7a03f9d4406930a3d3c015dfdd67cee4296a

Download Submit
memory/1792-6-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/1792-2-0x0000000000464000-0x000000000047C000-memory.dmp

Filesize
96KB

Download
memory/1792-1-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/1792-5-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/1792-7-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/1792-11-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/1792-0-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/1792-20-0x0000000000464000-0x000000000047C000-memory.dmp

Filesize
96KB

Download
memory/1792-4-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/1792-9-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2724-14-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-31-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-8-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-12-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-19-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2724-13-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-25-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-26-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-17-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-18-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-32-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-38-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-39-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-44-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-45-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-50-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-52-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-57-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download
memory/2724-58-0x00000000000C0000-0x000000000013F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads