remcos | 73030d097eee7a6491f3fd23a2515595b1abb18049d6d6d19b3e50387832b734

General

Target

FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe
Size

10.1MB
MD5

ae1f80b999450d4db03b32b5783e8026
SHA1

5884d0c987dc8014cab52a058f5ba6706c29efb8
SHA256

9a0a16a7058877e4914a6636b444f4f6e28673d04c732d9818ec16ff0a8a5427
SHA512

183c3be851e6b649d22c845b716562e07b9c49de114b4dd913b4f54df7c6646ae2155d8035e7c721ab932c61707096c2ae19abb1c65cf774555632d63f106839
SSDEEP

196608:8Wbk1lXrMI8h9rGe20fcAE9kspvCJ6UkXzp91IcA91IG91I1Mffx1usIF64:82OiI8h8EM91Ih91IG91I1Mff3usIFv

Score

10^/10

remcos amropaz discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

AMROPAZ

C2

efwfw.loseyourip.com:1991

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-CCBODR
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NostraDesignerEditor = "C:\\Users\\Admin\\Music\\NostraDesignerUpdater\\NostraConvertVideo.exe"	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.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	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3988	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 3988	3428	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe	94
PID 3428 wrote to memory of 3988	3428	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe	94
PID 3428 wrote to memory of 3988	3428	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe	94
PID 3428 wrote to memory of 3988	3428	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe	94
PID 3428 wrote to memory of 3988	3428	FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe	94

C:\Users\Admin\AppData\Local\Temp\FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe
"C:\Users\Admin\AppData\Local\Temp\FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe
  "C:\Users\Admin\AppData\Local\Temp\FALLO ACCIÓN DE TUTELA 2023-250 JDO 02 CMES.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3988

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
25ff96542ff4b7916a6612dd72dea24a

SHA1
040a90533f8e80f8e3caa3f6501207f5bb67d1c3

SHA256
f254d206409052e75b77f0fb7d23041c256e08e0fafff1e9278f8f9ef9e17266

SHA512
ede37e92cdbe9d56532328b0d9400d54d3ad671fe0a771b59088301812872ece8336ec8d8564e849fb9eeea70991da9c9e2433f627b1012f6d27ba4f7b12f716

Download Submit
memory/3428-25-0x000000000041A000-0x0000000000432000-memory.dmp

Filesize
96KB

Download
memory/3428-7-0x0000000000400000-0x0000000000F2F000-memory.dmp

Filesize
11.2MB

Download
memory/3428-5-0x0000000000400000-0x0000000000F2F000-memory.dmp

Filesize
11.2MB

Download
memory/3428-4-0x0000000000400000-0x0000000000F2F000-memory.dmp

Filesize
11.2MB

Download
memory/3428-10-0x0000000000400000-0x0000000000F2F000-memory.dmp

Filesize
11.2MB

Download
memory/3428-9-0x0000000000400000-0x0000000000F2F000-memory.dmp

Filesize
11.2MB

Download
memory/3428-2-0x000000000041A000-0x0000000000432000-memory.dmp

Filesize
96KB

Download
memory/3428-0-0x0000000000400000-0x0000000000F2F000-memory.dmp

Filesize
11.2MB

Download
memory/3428-1-0x0000000000400000-0x0000000000F2F000-memory.dmp

Filesize
11.2MB

Download
memory/3988-37-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-23-0x0000000000400000-0x0000000000F2F000-memory.dmp

Filesize
11.2MB

Download
memory/3988-13-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-12-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-19-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-17-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-20-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-16-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-11-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-29-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-30-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-8-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-18-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-61-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-62-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/3988-69-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads