remcos | b44d0c9a344be2637aca53e7b556241d5611f8e807fc053f6f134dfe11ebbfc2

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 03:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Quotation-SQ_HYD_003861.exe
Size

620KB
MD5

458244c986e32aaadd41d24c324927a0
SHA1

d49fd336aa758a128f5b801a115d8a44b25f06cf
SHA256

b44d0c9a344be2637aca53e7b556241d5611f8e807fc053f6f134dfe11ebbfc2
SHA512

2454f9e59589946faef2d38a93877552040233c06f9d257ac80e78133ad8a854e677655be28861f85f6f865e7222863b5989e85eeb9a39504d6ef8084d82b07c
SSDEEP

12288:M417/cAhnVxR24T93+suohEX7RGFO3dugtOh0:M417/ciXRQnoWXEg3dO

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.chileeclassproject.com:2404

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
5451
mouse_option
false
mutex
Rmc-1FU53L
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
Remcos family
remcos

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 2704	1748	Quotation-SQ_HYD_003861.exe	30

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	Quotation-SQ_HYD_003861.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation-SQ_HYD_003861.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2704	Quotation-SQ_HYD_003861.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30
PID 1748 wrote to memory of 2704	1748	Quotation-SQ_HYD_003861.exe	30

C:\Users\Admin\AppData\Local\Temp\Quotation-SQ_HYD_003861.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation-SQ_HYD_003861.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\Quotation-SQ_HYD_003861.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation-SQ_HYD_003861.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\5451\logs.dat

Filesize
144B

MD5
8e9296c604ff4cc59b78e6438047724b

SHA1
2f5ec1207fed8fa60f3686c257497f05a013fdf9

SHA256
822f41a8cf96634a6b68e4177fcd279588d02d085319d35b71ab24684ec33d6f

SHA512
edc231ff5092e7454a7d8d816518eeae068fae011375f527a3c3d9bdcccbbb3813ad47046cd9533eb1ccc35f66e0eec74206964fc06727980ca257d70ff92929

Download Submit
memory/1748-17-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-1-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/1748-2-0x0000000004C60000-0x0000000004CE6000-memory.dmp

Filesize
536KB

Download
memory/1748-0-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download
memory/1748-21-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-6-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-5-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-4-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-3-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2704-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download