remcos | 24c3329fc783efce51593d5e4274008fcff8d86f8df9fd8a47ca0af8df1e031d

General

Target

472cd96b1b5771243c40c10cd034324e.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\PerfectouinVans = "C:\\Users\\Admin\\Documents\\Perfectouin\\Bin\\PerfectouinVans.exe"	472cd96b1b5771243c40c10cd034324e.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	472cd96b1b5771243c40c10cd034324e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	472cd96b1b5771243c40c10cd034324e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2376	472cd96b1b5771243c40c10cd034324e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2376	2676	472cd96b1b5771243c40c10cd034324e.exe	30
PID 2676 wrote to memory of 2376	2676	472cd96b1b5771243c40c10cd034324e.exe	30
PID 2676 wrote to memory of 2376	2676	472cd96b1b5771243c40c10cd034324e.exe	30
PID 2676 wrote to memory of 2376	2676	472cd96b1b5771243c40c10cd034324e.exe	30
PID 2676 wrote to memory of 2376	2676	472cd96b1b5771243c40c10cd034324e.exe	30
PID 2676 wrote to memory of 2376	2676	472cd96b1b5771243c40c10cd034324e.exe	30

C:\Users\Admin\AppData\Local\Temp\472cd96b1b5771243c40c10cd034324e.exe
"C:\Users\Admin\AppData\Local\Temp\472cd96b1b5771243c40c10cd034324e.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\472cd96b1b5771243c40c10cd034324e.exe
  "C:\Users\Admin\AppData\Local\Temp\472cd96b1b5771243c40c10cd034324e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2376

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
bb1412639038dd0a19df7421e173795c

SHA1
0137d6ef19723c733b514100691f6cfedb15a9ab

SHA256
e3858fa37d1e3a8eeb8a0c335022994da408584171944a9ffc86267ef5b77276

SHA512
f4dd9b4ece6ed74a7bd78cd9ddd5802df7ae8730fd70d9183c561fe2c2017c2852cb2e6acf57c36e6ba58aab8819127493375058b2b763250726edd451e10647

Download Submit
memory/2376-21-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-52-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-36-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-13-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-43-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-17-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-59-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-26-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-25-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-60-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-51-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2376-9-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-35-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-23-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-27-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2376-24-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2376-18-0x00000000000B0000-0x000000000012F000-memory.dmp

Filesize
508KB

Download
memory/2676-6-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-4-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-30-0x0000000000464000-0x000000000047C000-memory.dmp

Filesize
96KB

Download
memory/2676-0-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-14-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-22-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-5-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-7-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-8-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-1-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2676-2-0x0000000000464000-0x000000000047C000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads