remcos | 8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f

General

Target

8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
Size

815KB
MD5

1093418c094fb284481141f5c33895ac
SHA1

a76fd19c68c083f1a0a903699464ccfb2b04f757
SHA256

8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f
SHA512

b6ce87c109ee51b627d826e08a8b048bb504219a576e12a9a1e87babe9555af35195d6e27030d7392ca47986325d565572ceb06d88ff165990902ea276a9bb12
SSDEEP

12288:ah7n68TcSFhmPKndO4koBfDYBJfvKDUpnV19P7ba2hqee4BQ7cpdKOXQfZAEyL:J8ZhmUdO4pDYuDUpnLx7qekCdKhyEyL

Score

10^/10

remcos new rem stub rat

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

C2

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:

8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

description	pid	process	target process
PID 2036 set thread context of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

pid process

2036 8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

description pid process

Token: SeDebugPrivilege 2036 8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

pid process

1412 8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

pid	process
2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

description	pid	process
Token: SeDebugPrivilege	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

pid	process
1412	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

C:\Users\Admin\AppData\Local\Temp\8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
"C:\Users\Admin\AppData\Local\Temp\8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Users\Admin\AppData\Local\Temp\8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
"C:\Users\Admin\AppData\Local\Temp\8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe"
2⤵
PID:1748

C:\Users\Admin\AppData\Local\Temp\8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
"C:\Users\Admin\AppData\Local\Temp\8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1412

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1412-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-73-0x00000000004327A4-mapping.dmp

Download
memory/1412-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1412-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2036-55-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download
memory/2036-54-0x00000000013B0000-0x0000000001482000-memory.dmp

Filesize
840KB

Download
memory/2036-56-0x0000000000350000-0x0000000000368000-memory.dmp

Filesize
96KB

Download
memory/2036-59-0x00000000012F0000-0x000000000136C000-memory.dmp

Filesize
496KB

Download
memory/2036-58-0x00000000054F0000-0x00000000055A2000-memory.dmp

Filesize
712KB

Download
memory/2036-57-0x0000000000310000-0x000000000031C000-memory.dmp

Filesize
48KB

Download

description	pid	process	target process
PID 2036 wrote to memory of 1748	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1748	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1748	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1748	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe
PID 2036 wrote to memory of 1412	2036	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe	8791b0b7f4a499d66dbbc5b41ea20cb13af614bdc62e62392bf041065e9ddb0f.exe

Analysis

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