remcos | b44d0c9a344be2637aca53e7b556241d5611f8e807fc053f6f134dfe11ebbfc2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 03:11

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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 3108 set thread context of 772	3108	Quotation - SQ_HYD_003861.exe	86

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
3108	Quotation - SQ_HYD_003861.exe
3108	Quotation - SQ_HYD_003861.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3108	Quotation - SQ_HYD_003861.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
772	Quotation - SQ_HYD_003861.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 4396	3108	Quotation - SQ_HYD_003861.exe	85
PID 3108 wrote to memory of 4396	3108	Quotation - SQ_HYD_003861.exe	85
PID 3108 wrote to memory of 4396	3108	Quotation - SQ_HYD_003861.exe	85
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86
PID 3108 wrote to memory of 772	3108	Quotation - SQ_HYD_003861.exe	86

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Users\Admin\AppData\Local\Temp\Quotation - SQ_HYD_003861.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation - SQ_HYD_003861.exe"
  2⤵
  PID:4396
- 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:772

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

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Downloads

C:\ProgramData\5451\logs.dat

Filesize
144B

MD5
89baac14938c5e933289b6619787bf07

SHA1
f411f98c73c8618eaa610dd0da7fc25becc10475

SHA256
8b843f008c32fcd60e385ebdf5b2627ac03bdcac332f519a5e488945a3135627

SHA512
b7815e5e513aa133416510123f38bad60de128bb8a9d51c2e3df964d00b4c4938307c008b3cf1400bfa10da195bb2d2be3d0af695484f6b7890db6bf57b14e25

Download Submit
memory/772-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-91-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-90-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-88-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-87-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-86-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-85-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/772-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3108-5-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/3108-1-0x0000000000D60000-0x0000000000E02000-memory.dmp

Filesize
648KB

Download
memory/3108-17-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/3108-6-0x0000000005A90000-0x0000000005B16000-memory.dmp

Filesize
536KB

Download
memory/3108-4-0x0000000005830000-0x000000000583A000-memory.dmp

Filesize
40KB

Download
memory/3108-3-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/3108-2-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/3108-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download