remcos | 76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335

General

Target

76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe
Size

4.5MB
MD5

6b30893bb9a3819bb895e2dedb9e1f03
SHA1

696cb9f53d5a92f4de583023d73269fddea16075
SHA256

76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335
SHA512

b6ba14060b87c1ae7689b5ff2a96fa2fa61da8b229eed2e3092bb1307b947198186091461d45aec2181d318e9615bcecf5c241e080db10ef4386a90904e62e6e
SSDEEP

49152:p5+hISNcXei/uNQrNcXevNVNMuRULGL4ciZGzhWyg5cBuBTBSAT4BJK:p5/N42bYV7AzArSlnK

Score

10^/10

remcos rosas discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

ROSAS

C2

newstaticfreepoint24.ddns-ip.net:3020

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
data
mouse_option
false
mutex
kljjbdlcjbavhbiluiewliuwqerlib-DDZVN3
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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Chromium_GG = "C:\\Users\\Admin\\Favorites\\GoLand_GoProjects\\Chromium_GG\\Chromium_GG.exe"	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.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	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2404	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2404	2520	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe	30
PID 2520 wrote to memory of 2404	2520	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe	30
PID 2520 wrote to memory of 2404	2520	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe	30
PID 2520 wrote to memory of 2404	2520	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe	30
PID 2520 wrote to memory of 2404	2520	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe	30
PID 2520 wrote to memory of 2404	2520	76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe	30

C:\Users\Admin\AppData\Local\Temp\76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe
"C:\Users\Admin\AppData\Local\Temp\76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe
  "C:\Users\Admin\AppData\Local\Temp\76b1128a84cd49e7abddcf2d046176ed8293c56cbaac600887f8790836d7d335.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2404

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\data\registros.dat

Filesize
184B

MD5
e837b6f9fa08bdc966d06c2e4704b726

SHA1
f42ff22ba0b39c56b303d4ff20f6679d8f523afb

SHA256
57872b311318da9b6b335a11d60fa0edd9c594f7c35d03d0a60991ab6954cd3d

SHA512
45d7fc2b9925f72182d2b43a7108ca0a61ce91e9219f57df5cc49797ad19d6f2369a3ad58b2776be0013da17b7ed9cc2a22cb7da1461faf63d95e3811a42a879

Download Submit
memory/2404-17-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-54-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-16-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-6-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2404-9-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-12-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-13-0x0000000000400000-0x000000000087D000-memory.dmp

Filesize
4.5MB

Download
memory/2404-14-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-21-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-8-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-2-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-15-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-22-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-53-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-29-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-30-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-37-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-38-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-45-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2404-46-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2520-1-0x0000000000400000-0x000000000087D000-memory.dmp

Filesize
4.5MB

Download
memory/2520-0-0x00000000005AB000-0x00000000005AE000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads