remcos | a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13-12-2024 02:53

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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

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
2696	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2696	2540	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	29
PID 2540 wrote to memory of 2696	2540	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	29
PID 2540 wrote to memory of 2696	2540	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	29
PID 2540 wrote to memory of 2696	2540	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	29
PID 2540 wrote to memory of 2696	2540	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	29
PID 2540 wrote to memory of 2696	2540	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	29

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:2540
- 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:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

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
7f585e0192dc163c81df19a33c0f9a24

SHA1
13571fdfaf09028228aa88254aaa0972c00a67f8

SHA256
3b634b09abdaa72cf7b52ab4f647f9dc10ba30dc244a65906fe7818c750bc8a8

SHA512
c1f70d1fd9cb797a7d80e1ec5c5d4b662e3c0a5b9426d823f4297ff8287be0d5132a20eb0791c126b1a125204389efd61f80387ee7f63a878c6060f21df5d120

Download Submit
memory/2540-20-0x000000000053B000-0x0000000000559000-memory.dmp

Filesize
120KB

Download
memory/2540-7-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2540-14-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2540-21-0x000000000050F000-0x000000000053C000-memory.dmp

Filesize
180KB

Download
memory/2540-6-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2540-1-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download
memory/2540-19-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2540-18-0x0000000000507000-0x000000000053C000-memory.dmp

Filesize
212KB

Download
memory/2540-17-0x00000000004F4000-0x00000000004FD000-memory.dmp

Filesize
36KB

Download
memory/2540-16-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download
memory/2540-5-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2540-3-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2540-0-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2696-35-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-48-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-23-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-27-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2696-28-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-24-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-29-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-30-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-31-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-33-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-36-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-37-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-12-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-41-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-42-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-47-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-8-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-53-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-54-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-56-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-57-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-61-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-63-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-66-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-67-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-69-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-70-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-71-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-72-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-76-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-77-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-79-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-81-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2696-83-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download