remcos | a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9

General

Target

a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe
Size

1.3MB
MD5

4e88c1858bf4ed7bc7549fba8c045e75
SHA1

ac5f9d4006d7a3aec5d20cb92d138be466a2d880
SHA256

a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9
SHA512

c4ee46e6679b99fc07ff0eca898e21a50cff2211af4fa0c44d6c3f79ceea7ce7ee02fc86727ee9635e3c4c7ad045427ba6673040e4d288c525876211acbf02d2
SSDEEP

24576:gWfbDrWZvkWoI8VtdIhvIqYF7YTVW8xqRiLmfUuyHXGxtLrsX8Nk3lS8J3zdQSXy:/j0vkWohtSVYF7YJJkiyfgqrsX8Nk3lE

Score

10^/10

remcos sol2 discovery rat

Malware Config

Extracted

Family

remcos

Botnet

sol2

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
qazxswedcvfrdsasx-WVOMOA
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

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	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2700	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2700	2916	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	30
PID 2916 wrote to memory of 2700	2916	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	30
PID 2916 wrote to memory of 2700	2916	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	30
PID 2916 wrote to memory of 2700	2916	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	30
PID 2916 wrote to memory of 2700	2916	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	30
PID 2916 wrote to memory of 2700	2916	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	30

C:\Users\Admin\AppData\Local\Temp\a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe
"C:\Users\Admin\AppData\Local\Temp\a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe
  "C:\Users\Admin\AppData\Local\Temp\a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\registro\registros.dat

Filesize
184B

MD5
05bb9c55fdab688a69028f2cfcb9b3ac

SHA1
2b0b43c465d526a023f06e3026f969163b43e565

SHA256
79f371b2576b2bc4d9ae57203500afca3a92c7aefb066ff947c0b5bb9c5585d4

SHA512
ee2d1f68d8f7f604ab7fad2bf74d7981634fe1651d96b5cfad618bf583204d8d62ee8441fc2b25c84750883a1031ab09074fa6c4d8d8b13feb087132d534be15

Download Submit
memory/2700-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-65-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-64-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-57-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-56-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-7-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-11-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-22-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-24-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2700-49-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-19-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-18-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-48-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-41-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-40-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-25-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-33-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-26-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-27-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-28-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2700-32-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-6-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2916-0-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2916-5-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2916-16-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download
memory/2916-17-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2916-23-0x000000000053B000-0x0000000000559000-memory.dmp

Filesize
120KB

Download
memory/2916-3-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2916-4-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2916-13-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2916-1-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download

Analysis

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