remcos | 65d99e7d86d82fa742b35b6a5434d2f429c8886879c15d89f3873985d2b0d6a2

General

Target

DFFHDFHD.exe
Size

600KB
MD5

feba5bc555dee49a63f94ebbf31e9b32
SHA1

a624d1cdbdb1cd68c63af398b22ed70f91552ce4
SHA256

5605e9734bff4fcc29f092dd2e4f7c5c95bcdc342d5362c2ac36507e238ba5da
SHA512

114e4dc27bf4ad84bc761522b05383b12caa5b61c16337d92ea7382dfb0fb3d5fb25ce4d24fa9d65ebea763288f4c50af48ba8b0df9a64b3c5fcfbc211a0c67e
SSDEEP

12288:dpohpprHlNEVdjRTR5wlD1IYeo7lzUNb4fzACi/x8T:dpc7D6dj5szIT8OEAN5m

Score

10^/10

remcos awa rat

Malware Config

Extracted

Family

remcos

Botnet

awa

C2

gdyhjjdhbvxgsfe.gotdns.ch:2718

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-J6C5A7
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

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystFBFDSHFDDFem.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystFBFDSHFDDFem.exe	Powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DFFHDFHD.exe

description pid process target process

PID 1064 set thread context of 460 1064 DFFHDFHD.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Powershell.exe

pid process

1640 Powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DFFHDFHD.exePowershell.exe

description pid process

Token: SeDebugPrivilege 1064 DFFHDFHD.exe
Token: SeDebugPrivilege 1640 Powershell.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

RegSvcs.exe

pid process

460 RegSvcs.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

RegSvcs.exe

pid process

460 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

460 RegSvcs.exe

description	pid	process	target process
PID 1064 set thread context of 460	1064	DFFHDFHD.exe	RegSvcs.exe

pid	process
1640	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	1064	DFFHDFHD.exe
Token: SeDebugPrivilege	1640	Powershell.exe

pid	process
460	RegSvcs.exe

pid	process
460	RegSvcs.exe

pid	process
460	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

DFFHDFHD.exe

description	pid	process	target process
PID 1064 wrote to memory of 1640	1064	DFFHDFHD.exe	Powershell.exe
PID 1064 wrote to memory of 1640	1064	DFFHDFHD.exe	Powershell.exe
PID 1064 wrote to memory of 1640	1064	DFFHDFHD.exe	Powershell.exe
PID 1064 wrote to memory of 1640	1064	DFFHDFHD.exe	Powershell.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe
PID 1064 wrote to memory of 460	1064	DFFHDFHD.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DFFHDFHD.exe
"C:\Users\Admin\AppData\Local\Temp\DFFHDFHD.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\DFFHDFHD.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystFBFDSHFDDFem.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1640

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:460

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/460-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/460-72-0x00000000004327A4-mapping.dmp

Download
memory/1064-55-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/1064-58-0x00000000003A0000-0x00000000003BC000-memory.dmp

Filesize
112KB

Download
memory/1064-54-0x0000000000A80000-0x0000000000B1A000-memory.dmp

Filesize
616KB

Download
memory/1640-56-0x0000000000000000-mapping.dmp

Download
memory/1640-76-0x00000000700D0000-0x000000007067B000-memory.dmp

Filesize
5.7MB

Download
memory/1640-78-0x00000000700D0000-0x000000007067B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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