remcos | d99b0d328a7e19981cc4e1dcfbdeb336c84577a020bd4a84d72d28a7930282ea

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
16-10-2022 13:18

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General

Target

Inquiry - HKAS2200989.exe
Size

1.2MB
MD5

89a87ed8092d8339f82348ed81e89e37
SHA1

dff9f26f6e7a1f5ac89e16d77fb9dc06aeebc335
SHA256

d99b0d328a7e19981cc4e1dcfbdeb336c84577a020bd4a84d72d28a7930282ea
SHA512

9ef03f2201a1a87ccd368d493031391f936fd336c41c9a17707631fe96b5c653704d35240f6ecc31abdc470906a22dd8d3d7736e468b11fdb4416610a031d57a
SSDEEP

24576:nag2aA9imMt8WlH9HIuUHPtd6L3IFTLgcNseU5WL+tAtQy4A:ag2rhMtLouUHPtd6LknHGeU5WvX

Score

10^/10

remcos new rem stub rat

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

valvesco.duckdns.org:5050

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
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-48V73L
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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 SetThreadContext 1 IoCs

Processes:

Inquiry - HKAS2200989.exe

description pid process target process

PID 1348 set thread context of 1280 1348 Inquiry - HKAS2200989.exe Inquiry - HKAS2200989.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Inquiry - HKAS2200989.exe

pid process

1280 Inquiry - HKAS2200989.exe

description	pid	process	target process
PID 1348 set thread context of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe

pid	process
1280	Inquiry - HKAS2200989.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Inquiry - HKAS2200989.exe

description	pid	process	target process
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe
PID 1348 wrote to memory of 1280	1348	Inquiry - HKAS2200989.exe	Inquiry - HKAS2200989.exe

C:\Users\Admin\AppData\Local\Temp\Inquiry - HKAS2200989.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry - HKAS2200989.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1348

C:\Users\Admin\AppData\Local\Temp\Inquiry - HKAS2200989.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry - HKAS2200989.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1280

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1280-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1280-73-0x00000000004327A4-mapping.dmp

Download
memory/1348-55-0x0000000074F41000-0x0000000074F43000-memory.dmp

Filesize
8KB

Download
memory/1348-54-0x0000000000890000-0x00000000009D4000-memory.dmp

Filesize
1.3MB

Download
memory/1348-56-0x0000000000380000-0x000000000039A000-memory.dmp

Filesize
104KB

Download
memory/1348-59-0x0000000004A70000-0x0000000004AEC000-memory.dmp

Filesize
496KB

Download
memory/1348-58-0x000000000A7C0000-0x000000000A892000-memory.dmp

Filesize
840KB

Download
memory/1348-57-0x0000000000630000-0x000000000063C000-memory.dmp

Filesize
48KB

Download