remcos | 90bbc186938b8bf66f288b9376a9ee09e3ea004231d79e29eac556060cd7f6a3

General

Target

APERTURA RAD 10000065665655.exe
Size

2.3MB
MD5

fc82c4456949b5f4dfc28f271be666b0
SHA1

a2bdc71c58f29338cdb80edc7099caf24c1de8bd
SHA256

90bbc186938b8bf66f288b9376a9ee09e3ea004231d79e29eac556060cd7f6a3
SHA512

a691497d78457a6da0eea34df574f9baa9d1b3414a3c2e02998799596dadf718dfd968ed81eaeb3817862b59428b47bd12be64c006ce374e0981310561903829
SSDEEP

49152:hEevijJYygFFqn2Eorzg89I4MdqnIhIuOcSnLp20aPbT+gyYlXtwL/Lal1w9LVw:h7aCFFqdHPP0YlXtwL/Lal1

Score

10^/10

remcos amore discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

AMORE

C2

muchodinerohoy.con-ip.com:1667

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-T2SV5Q
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\TeamsUpdat = "C:\\Users\\Admin\\Pictures\\Teams\\TeamsUpdater.exe"	APERTURA RAD 10000065665655.exe

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	APERTURA RAD 10000065665655.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	APERTURA RAD 10000065665655.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2416	APERTURA RAD 10000065665655.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2416	2232	APERTURA RAD 10000065665655.exe	30
PID 2232 wrote to memory of 2416	2232	APERTURA RAD 10000065665655.exe	30
PID 2232 wrote to memory of 2416	2232	APERTURA RAD 10000065665655.exe	30
PID 2232 wrote to memory of 2416	2232	APERTURA RAD 10000065665655.exe	30
PID 2232 wrote to memory of 2416	2232	APERTURA RAD 10000065665655.exe	30
PID 2232 wrote to memory of 2416	2232	APERTURA RAD 10000065665655.exe	30

C:\Users\Admin\AppData\Local\Temp\APERTURA RAD 10000065665655.exe
"C:\Users\Admin\AppData\Local\Temp\APERTURA RAD 10000065665655.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\APERTURA RAD 10000065665655.exe
  "C:\Users\Admin\AppData\Local\Temp\APERTURA RAD 10000065665655.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
f061a50885e3a9aee40ecf880cb3de23

SHA1
381bece41c977c517c856a11027fd23461b136ad

SHA256
2340a14545b5f9253fe70c3a58547819561050ac4c5d1c27fc8b873ca3dfa077

SHA512
1bcf4fe4ee6624eb111e6438b750f96c8566416bd256a6395e9956eee643518aebc5d36d374048856b85953cadf5871f40fa76462b90159fca8b9073c5b9db43

Download Submit
memory/2232-10-0x0000000000400000-0x0000000000678000-memory.dmp

Filesize
2.5MB

Download
memory/2232-0-0x0000000000400000-0x0000000000678000-memory.dmp

Filesize
2.5MB

Download
memory/2232-3-0x0000000000400000-0x0000000000678000-memory.dmp

Filesize
2.5MB

Download
memory/2232-2-0x0000000000400000-0x0000000000678000-memory.dmp

Filesize
2.5MB

Download
memory/2232-1-0x0000000000407000-0x0000000000421000-memory.dmp

Filesize
104KB

Download
memory/2416-14-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-20-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-11-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-12-0x0000000000400000-0x0000000000678000-memory.dmp

Filesize
2.5MB

Download
memory/2416-8-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-16-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-17-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-18-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-19-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2416-26-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-27-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-4-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-35-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-42-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-43-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download
memory/2416-50-0x00000000000C0000-0x0000000000142000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads