remcos | 46fb3e0957a29ee2e6463b64930eabb9ba8949c7d2395111463be8a3a8752c19

General

Target

INFORME COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE/DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe
Size

4.0MB
MD5

6358b60b9e07fb80b705ec024e5e3fe9
SHA1

0af3b32f03055623e89036885952a398dd897252
SHA256

6272c72c830630f76aac92c2ad13e3f601aa7752e13d8713e150511754097eaa
SHA512

65fe12720f0dc375925a077dc7a7bacf2297ac7c957cbec9788f5c5b411f92529ba96b725d1214ac321e4ef326f4f9f9140bb497255498c03626df548a025915
SSDEEP

49152:HWGtLBcXq5IR6SVb8kq4pgquLMMji4NYxtJpkxhGjIKTbZB333zvm6t7holsw7W:ptLuYqgwh4NYxtJpkxhGxB333roJW

Score

10^/10

remcos raton discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RATON

C2

newtestdn.dns.army:1700

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
registros.dat
keylog_flag
false
keylog_folder
datos
mouse_option
false
mutex
hbdggdmmmskbsciihcjh-VVGXL8
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

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\UniDesignerEditor = "C:\\Users\\Admin\\Music\\UniDesignerUpdater\\UniConvertVideo.exe"	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.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	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2820	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30
PID 2660 wrote to memory of 2820	2660	DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe	30

C:\Users\Admin\AppData\Local\Temp\INFORME COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE\DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe
"C:\Users\Admin\AppData\Local\Temp\INFORME COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE\DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\INFORME COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE\DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe
  "C:\Users\Admin\AppData\Local\Temp\INFORME COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE\DOC 000239843 COMERCIAL DE TRANSACCIÓN 18 DE OCTUBRE.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2820

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\datos\registros.dat

Filesize
184B

MD5
01b4219bdd99dc6161ffc8107ff06419

SHA1
d8a6285e8fd791bd5d39bf1500b4d4f017efa0d8

SHA256
ab9f3160cafbaaceefd4e34c9e5d11df931b78fc8be1ac47ad2901253d3f20ec

SHA512
7b55bc271a181f44fcd0d87c5f71e88ac333d95abed693beb420f7e6f9e94124914c8a9b15490621e518cd8e019b3a7aaad6200813a4c960dc386210db885427

Download Submit
memory/2660-12-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2660-2-0x0000000000517000-0x000000000052F000-memory.dmp

Filesize
96KB

Download
memory/2660-1-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2660-5-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2660-6-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2660-14-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2660-21-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2660-0-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2660-24-0x0000000000517000-0x000000000052F000-memory.dmp

Filesize
96KB

Download
memory/2660-4-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2820-20-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2820-11-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2820-7-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2820-16-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2820-22-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2820-17-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2820-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads