remcos | eeb4e124303b10a370d6c20f70c17303dfe1cd6de4b255d85061804ad6902db0

General

Target

lucerne as at 28 Nov 2022.exe
Size

579KB
MD5

796280ec19f4cabce99bbb14b4a43f28
SHA1

537bedfbb6f6f2b544bc4892437f4a6050d932a9
SHA256

eeb4e124303b10a370d6c20f70c17303dfe1cd6de4b255d85061804ad6902db0
SHA512

6afca105404a50684a9a4b37646b2bbd17339120849aad6f9c8ef8e2abc4d28ba6ad144195b3db1e676c3d7a3335751b134ed58397d62991895b04a9f6498eb8
SSDEEP

12288:VmwtkzfN9A6V20TKzB32n/3Ki0mGXq7mclWKpNCi/g:ltkzf3A6VR6O/OrXqicvN

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\SysteJHuJm.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysteJHuJm.exe	Powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

lucerne as at 28 Nov 2022.exe

description pid process target process

PID 5080 set thread context of 476 5080 lucerne as at 28 Nov 2022.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Powershell.exe

pid process

3760 Powershell.exe
3760 Powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

lucerne as at 28 Nov 2022.exePowershell.exe

description pid process

Token: SeDebugPrivilege 5080 lucerne as at 28 Nov 2022.exe
Token: SeDebugPrivilege 3760 Powershell.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

RegSvcs.exe

pid process

476 RegSvcs.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

RegSvcs.exe

pid process

476 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

476 RegSvcs.exe

description	pid	process	target process
PID 5080 set thread context of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe

pid	process
3760	Powershell.exe
3760	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	5080	lucerne as at 28 Nov 2022.exe
Token: SeDebugPrivilege	3760	Powershell.exe

pid	process
476	RegSvcs.exe

pid	process
476	RegSvcs.exe

pid	process
476	RegSvcs.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

lucerne as at 28 Nov 2022.exe

description	pid	process	target process
PID 5080 wrote to memory of 3760	5080	lucerne as at 28 Nov 2022.exe	Powershell.exe
PID 5080 wrote to memory of 3760	5080	lucerne as at 28 Nov 2022.exe	Powershell.exe
PID 5080 wrote to memory of 3760	5080	lucerne as at 28 Nov 2022.exe	Powershell.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe
PID 5080 wrote to memory of 476	5080	lucerne as at 28 Nov 2022.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe
"C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysteJHuJm.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3760

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:476

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/476-138-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/476-150-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/476-146-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/476-141-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/476-139-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/476-137-0x0000000000000000-mapping.dmp

Download
memory/3760-140-0x0000000004E50000-0x0000000005478000-memory.dmp

Filesize
6.2MB

Download
memory/3760-136-0x0000000004790000-0x00000000047C6000-memory.dmp

Filesize
216KB

Download
memory/3760-135-0x0000000000000000-mapping.dmp

Download
memory/3760-142-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

Filesize
136KB

Download
memory/3760-143-0x0000000005670000-0x00000000056D6000-memory.dmp

Filesize
408KB

Download
memory/3760-144-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/3760-145-0x0000000005D70000-0x0000000005D8E000-memory.dmp

Filesize
120KB

Download
memory/3760-147-0x0000000006DE0000-0x0000000006E76000-memory.dmp

Filesize
600KB

Download
memory/3760-148-0x0000000006240000-0x000000000625A000-memory.dmp

Filesize
104KB

Download
memory/3760-149-0x00000000062A0000-0x00000000062C2000-memory.dmp

Filesize
136KB

Download
memory/5080-132-0x0000000000EE0000-0x0000000000F76000-memory.dmp

Filesize
600KB

Download
memory/5080-134-0x0000000005970000-0x0000000005A0C000-memory.dmp

Filesize
624KB

Download
memory/5080-133-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download

Analysis

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