remcos | ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59

General

Target

ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe
Size

6.1MB
MD5

2cede2aef03d4436cac510971c604d10
SHA1

1454f28eaf7deb3b33bc9e4beed261f935c2451a
SHA256

ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59
SHA512

808d06c5a7b78ff8ea90ecbb4bfa8f3e1bce0b697736b877860e805521668020af51a479547db7b88f5acb6d5fde43b1579b539ef705a9bfa7d9b7a1d32de91c
SSDEEP

196608:N8QTH4OwL4MBQqus0YkuwYMfiUB5NdBD8R3ZZOR:N80H4OwLZBPus0YkuwYMfiUB5NvD03Z6

Score

10^/10

remcos blanco discovery rat

Malware Config

Extracted

Family

remcos

Botnet

BLANCO

C2

camino9938.strangled.net:3018

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
data
mouse_option
false
mutex
nhfkkasivbijkewflivlikewf-LIQNJX
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
Remcos family
remcos

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	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2948	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2948	2352	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe	31
PID 2352 wrote to memory of 2948	2352	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe	31
PID 2352 wrote to memory of 2948	2352	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe	31
PID 2352 wrote to memory of 2948	2352	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe	31
PID 2352 wrote to memory of 2948	2352	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe	31
PID 2352 wrote to memory of 2948	2352	ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe	31

C:\Users\Admin\AppData\Local\Temp\ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe
"C:\Users\Admin\AppData\Local\Temp\ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe
  "C:\Users\Admin\AppData\Local\Temp\ac93bb754026e02ece7eb0ac015605b6b7e9e6fa1526def22a4bb3e34569ec59N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\data\registros.dat

Filesize
184B

MD5
5af8055b8226118ad7bee9137015f994

SHA1
82adeb0a711121fa27e95787c8416c2b40276479

SHA256
0bc7472ba27e46c92f58f99594316054db9f858db979c87434f5d9c97e398f41

SHA512
f4480d0cf8d640596cfc84953ca21217b2d284b7465ad91e62edaf0dfc0464ff39f0a17b85a2c6b29f66ee3c042abfdbf988f10b572ce0f6880e08a477016ff8

Download Submit
memory/2352-0-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2352-22-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2352-6-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2352-5-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2352-12-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2352-21-0x00000000009FB000-0x0000000000A28000-memory.dmp

Filesize
180KB

Download
memory/2352-2-0x000000000041E000-0x0000000000437000-memory.dmp

Filesize
100KB

Download
memory/2352-20-0x00000000009F5000-0x0000000000A28000-memory.dmp

Filesize
204KB

Download
memory/2352-4-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2352-1-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2352-13-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2352-19-0x00000000009F1000-0x00000000009F6000-memory.dmp

Filesize
20KB

Download
memory/2352-18-0x00000000009EA000-0x00000000009F6000-memory.dmp

Filesize
48KB

Download
memory/2352-17-0x00000000009E7000-0x00000000009EB000-memory.dmp

Filesize
16KB

Download
memory/2352-16-0x0000000000A27000-0x0000000000A49000-memory.dmp

Filesize
136KB

Download
memory/2352-15-0x00000000009E1000-0x00000000009EB000-memory.dmp

Filesize
40KB

Download
memory/2352-14-0x000000000041E000-0x0000000000437000-memory.dmp

Filesize
100KB

Download
memory/2948-25-0x0000000000400000-0x0000000000A49000-memory.dmp

Filesize
6.3MB

Download
memory/2948-26-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-11-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2948-7-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-29-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-30-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-35-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-36-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-24-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-41-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-42-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-48-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-49-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-54-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2948-55-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download

Analysis

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