remcos | ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe

General

Target

ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe
Size

1.6MB
MD5

9f366243e7b5c4558bb3282fe742c970
SHA1

438f8cbba729b3ff3811df54e81362d789c35ed6
SHA256

ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe
SHA512

e954131f7d131d2c69c66dea2fd09ee8c1b7c9d77c8a9f0749031fa1242a72bc5ac7922d49ac20c0bb03f083341b228d16f372f53d73e5f55994d3ec32f01783
SSDEEP

49152:7JZoQrbTFZY1iaCUxo4q/K7ge7Lv5HsIebMfW/:7trbTA1oiv75sqO/

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.18.214:2404

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-AOD6MB
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 944 set thread context of 4524	944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe
944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe
944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 4524	944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe	82
PID 944 wrote to memory of 4524	944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe	82
PID 944 wrote to memory of 4524	944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe	82
PID 944 wrote to memory of 4524	944	ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe	82

C:\Users\Admin\AppData\Local\Temp\ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe
"C:\Users\Admin\AppData\Local\Temp\ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\ad91e4dbe23eeab1aedda23619cfc09a241d9d5c46c8713a413b9dfd49a3d6fe.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/944-2-0x0000000004590000-0x0000000004990000-memory.dmp

Filesize
4.0MB

Download
memory/4524-3-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-4-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4524-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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