remcos | c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29

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

C2

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 2600 set thread context of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29

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	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe	29
PID 2600 wrote to memory of 2876	2600	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:2600
- C:\Users\Admin\AppData\Local\Temp\c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe
  "C:\Users\Admin\AppData\Local\Temp\c681443c1d8c5ed6ce5b8e4ace22cdd72b18d9eaf3673a0a3a66847aa6f4bf29.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2876

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

memory/2600-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2600-1-0x0000000000830000-0x0000000000942000-memory.dmp

Filesize
1.1MB

Download
memory/2600-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-3-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/2600-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2600-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-6-0x0000000004DE0000-0x0000000004EA4000-memory.dmp

Filesize
784KB

Download
memory/2600-30-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2876-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2876-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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