remcos | 9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5

General

Target

9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe
Size

982KB
MD5

09b8a42bcf04f1feb2f7c1cf671a5f9d
SHA1

ffb92f50aebc097d85c91e15354c60a7d29e522e
SHA256

9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5
SHA512

80f8591b641863731872cbe577d91d24715c26455438ac42e1d08ebfe523f1fb14a7307754d5df0c847c7a523eb05a1942d09e3b0d8af36e9c3273dd56fc2373
SSDEEP

12288:QNT8/720mXkfzYVEH56mdd4TE8BX5Ays5pQAUQnmvw1LnlaIxLt/l3XyH0/FsMW7:QNT8S0ck7YVk4mdAECpAnVZlrdhR5Ol

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.130.249.27:6161

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
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-JKZTT7
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5092 set thread context of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97

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	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2912	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97
PID 5092 wrote to memory of 2912	5092	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	97

C:\Users\Admin\AppData\Local\Temp\9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe
"C:\Users\Admin\AppData\Local\Temp\9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Users\Admin\AppData\Local\Temp\9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe
  "C:\Users\Admin\AppData\Local\Temp\9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2912

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\remcos\logs.dat

Filesize
144B

MD5
ee8e3d362f2e491d0272451fe0ebc640

SHA1
bf2339dfcb7266b596b3dfc243e0c16f9bc9927e

SHA256
fbabc856dd8cb5898f59044ee83bdcdf9108fb8eaebbb3c5b86be63bac54735a

SHA512
49171c05c8674c6f8b7bf3caec75223c95dd8a0b29983ad7d654f7e5414b548da268dd4f830e7c936493fa497b5506117e44e1a700aebb8ae2f9412b8cce8335

Download Submit
memory/2912-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2912-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5092-7-0x00000000051D0000-0x00000000051EC000-memory.dmp

Filesize
112KB

Download
memory/5092-1-0x0000000000440000-0x000000000053C000-memory.dmp

Filesize
1008KB

Download
memory/5092-2-0x00000000054B0000-0x0000000005A54000-memory.dmp

Filesize
5.6MB

Download
memory/5092-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/5092-10-0x00000000064C0000-0x0000000006584000-memory.dmp

Filesize
784KB

Download
memory/5092-9-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/5092-8-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/5092-21-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/5092-6-0x00000000052A0000-0x000000000533C000-memory.dmp

Filesize
624KB

Download
memory/5092-5-0x0000000004F30000-0x0000000004F3A000-memory.dmp

Filesize
40KB

Download
memory/5092-4-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/5092-3-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download

Analysis

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