remcos | b1dfa177aa0bbd8914d9cf464185ff01c548b6f58cac243fd85fef2a64f8d351

Analysis

max time kernel
178s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 23:29

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General

Target

Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe
Size

156KB
MD5

72fcf1d9934d5f046de9eb1bbfbcea12
SHA1

ed5f5cc5ca8e46169ba8994393833451dd5dceb2
SHA256

7d65c8b2ad99c4d05bdd1be3b963f40016ccec8769fee4166de166159fc35c51
SHA512

c145060296f937900d1fa1c9a254c7082f764d0565566d378ae2c3876eb11c5940b0ca1aa7d921ba1e0350ea31c350686b6e2c49f26e2a4256c108227710a93a
SSDEEP

1536:R0JnSp1HzoN3423mVxWaopvLJR0SEZfHe7/axJ2:vod3myasRKfHej5

Score

10^/10

remcos recibidos discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Recibidos

desconocido07092024.con-ip.com:1510

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
registros.dat
keylog_flag
false
keylog_folder
apdata
mouse_option
false
mutex
juhygtfredkjhn-EOHZIH
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Capturas de pantalla
screenshot_path
%AppData%
screenshot_time
10
startup_value
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 NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3224 created 3484	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	56

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qyzikminowh = "C:\\Users\\Admin\\AppData\\Roaming\\Qyzikminowh.exe"	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3224 set thread context of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85

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	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe
Token: SeDebugPrivilege	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2496	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85
PID 3224 wrote to memory of 2496	3224	Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3484
- C:\Users\Admin\AppData\Local\Temp\Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe
  "C:\Users\Admin\AppData\Local\Temp\Por la presente, le informamos que su relación laboral con IPS Gualivá finalizará a partir del 16092024.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3224
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\apdata\registros.dat

Filesize
184B

MD5
aafadcbca77df58d57af0722b28f9069

SHA1
08234d3be1d1d32c0b8cb7809b51a221609e6bb7

SHA256
26e36f3072b0f7643747431705ca90a2b6cbdc8015b1dd9496e3a2401a00f08f

SHA512
db00f8715f373417693eaf655719a310b86b627a0eb4f3be023aa4db7692129c9e274536d41cff9972856f9d754ecf969c7598b63ca84c638ca22a1cf1f5ee54

Download Submit
memory/2496-1100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2496-1104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3224-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/3224-1-0x00000000006E0000-0x000000000070A000-memory.dmp

Filesize
168KB

Download
memory/3224-2-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/3224-3-0x0000000005CB0000-0x0000000005DCE000-memory.dmp

Filesize
1.1MB

Download
memory/3224-4-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-17-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-37-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-45-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-67-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-65-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-63-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-62-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-55-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-53-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-51-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-49-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-47-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-43-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-41-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-59-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-57-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-39-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-35-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-33-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-31-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-29-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-27-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-25-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-21-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-19-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-15-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-13-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-11-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-9-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-8-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-5-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-23-0x0000000005CB0000-0x0000000005DC7000-memory.dmp

Filesize
1.1MB

Download
memory/3224-1078-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/3224-1079-0x0000000005F40000-0x0000000005FD8000-memory.dmp

Filesize
608KB

Download
memory/3224-1080-0x0000000005E70000-0x0000000005EBC000-memory.dmp

Filesize
304KB

Download
memory/3224-1083-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/3224-1086-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/3224-1085-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/3224-1087-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/3224-1088-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/3224-1089-0x00000000068A0000-0x0000000006E44000-memory.dmp

Filesize
5.6MB

Download
memory/3224-1090-0x00000000061A0000-0x00000000061F4000-memory.dmp

Filesize
336KB

Download
memory/3224-1099-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download