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 1240 set thread context of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31

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
2780	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31
PID 1240 wrote to memory of 2780	1240	9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe	31

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:1240
- 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:2780

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
36bc94246118f55c283cb509154488ce

SHA1
8ecf5345c86c4238d7fc0ce98fd7bec1d933d500

SHA256
792bae992b5a98e956f7e1c746ad03ceca0aa285c2aff5f3ccd4653814b6a330

SHA512
526d241215a25d53c60ee0cd61a3e9c60a93b04e030884ade1f6642e80cf90f5c8730d20d7ff2654d868e84bd455735ad9ef2ea7957675a5fb6f3da7574bf649

Download Submit
memory/1240-27-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/1240-1-0x0000000000930000-0x0000000000A2C000-memory.dmp

Filesize
1008KB

Download
memory/1240-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/1240-3-0x00000000004B0000-0x00000000004CC000-memory.dmp

Filesize
112KB

Download
memory/1240-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/1240-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/1240-6-0x00000000049F0000-0x0000000004AB4000-memory.dmp

Filesize
784KB

Download
memory/1240-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2780-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2780-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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