remcos | c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 02:55

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General

Target

c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe
Size

1.1MB
MD5

30b6654ccfdf8a7b7860f57c55d65e83
SHA1

18040f551df06df2d6e9ae8307e8225467ecaeb9
SHA256

c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29
SHA512

6ca55351522227ee5c14ff3252708cd552939ad355a6d20210a7317231a51f04199326e3cc63acfb0049d0243d81b45ce6590ae5f07c80c06150bf5f5202712c
SSDEEP

24576:epMvFRcjQMrCE6hxccbgjUYziS95m7brCE1XKOKh:eEFRcjQMGE6hiygYmiSzabl16OKh

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

192.3.220.30:8080

Attributes

audio_folder
MicRecords
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-SF7E52
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 1860 set thread context of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 1860 wrote to memory of 2568	1860	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29

C:\Users\Admin\AppData\Local\Temp\c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe
"C:\Users\Admin\AppData\Local\Temp\c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe
  "C:\Users\Admin\AppData\Local\Temp\c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe"
  2⤵
  PID:2568

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

memory/1860-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1860-1-0x00000000008B0000-0x00000000009C2000-memory.dmp

Filesize
1.1MB

Download
memory/1860-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/1860-3-0x00000000005E0000-0x00000000005F2000-memory.dmp

Filesize
72KB

Download
memory/1860-4-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/1860-5-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1860-6-0x00000000050A0000-0x0000000005164000-memory.dmp

Filesize
784KB

Download
memory/1860-29-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2568-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download