remcos | 0fe731eac32f92d3da0c90f990e37205a99e374f715902a469524205092bf951

General

Target

2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe
Size

3.6MB
MD5

88b93c9f46399e63c0c713211077d4cd
SHA1

b30086dba9cc981226a3e36d593e5bf69a0954b9
SHA256

0fe731eac32f92d3da0c90f990e37205a99e374f715902a469524205092bf951
SHA512

f5ce76651ccd514b60402937853a569762e799c41d814898b0ffe50efb86ba81fe75a79069d984b9b8fd469363aa5523be03227ea211efbbc57cbd5ffbe93cbf
SSDEEP

49152:3yEcLarg0D06Ia54WRkNv7qXHtZOGrB8f4x35CTWlPv7NY/+Xn1wFqggb:3yEC0D154WRkNDgLOGd8mr3n1UqD

Score

10^/10

remcos enfocadoe discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

ENFOCADOE

C2

agosto21.con-ip.com:7775

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-7BZCZN
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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webex = "C:\\Users\\Admin\\Pictures\\Webex\\WebexMeetingClient.exe"	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.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	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1016	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 1016	3916	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe	89
PID 3916 wrote to memory of 1016	3916	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe	89
PID 3916 wrote to memory of 1016	3916	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe	89
PID 3916 wrote to memory of 1016	3916	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe	89
PID 3916 wrote to memory of 1016	3916	2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Users\Admin\AppData\Local\Temp\2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe
  "C:\Users\Admin\AppData\Local\Temp\2024092088b93c9f46399e63c0c713211077d4cdmagniberrhadamanthys.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1016

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
6d92d82e734c30a6b475c43d74a9a3f4

SHA1
23e63c3710c74bdbfe726770b010773c33093f29

SHA256
b47661be7d8cd74259ac521e2ed63950390e4e6ebc4c967b1d74893d913b2ee9

SHA512
92bb5af9823e8fa6f559971953aacbfaf26d1c892cbd70fadd4c9f192c169d9932808861681a4ece1f8f9f3dd46c2f8aaee04084e94302507710656269a92f64

Download Submit
memory/1016-8-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-46-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-54-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-53-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-48-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-5-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-13-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-10-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-14-0x0000000000400000-0x00000000007B3000-memory.dmp

Filesize
3.7MB

Download
memory/1016-9-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-15-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-21-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-41-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-40-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-34-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-35-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-27-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-28-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/1016-22-0x00000000007C0000-0x0000000000842000-memory.dmp

Filesize
520KB

Download
memory/3916-0-0x0000000000400000-0x00000000007B3000-memory.dmp

Filesize
3.7MB

Download
memory/3916-16-0x0000000000419000-0x0000000000433000-memory.dmp

Filesize
104KB

Download
memory/3916-3-0x0000000000400000-0x00000000007B3000-memory.dmp

Filesize
3.7MB

Download
memory/3916-1-0x0000000000419000-0x0000000000433000-memory.dmp

Filesize
104KB

Download
memory/3916-4-0x0000000000400000-0x00000000007B3000-memory.dmp

Filesize
3.7MB

Download
memory/3916-7-0x0000000000400000-0x00000000007B3000-memory.dmp

Filesize
3.7MB

Download
memory/3916-2-0x0000000000400000-0x00000000007B3000-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads