remcos | 94dd721db7f8f975f2b8cac62518c42889e86f1b29d47d1400b53bbba950b8ec

General

Target

Payment_Notification2.pdf.exe
Size

578KB
MD5

98e38bbc0072d6976cf99918227c3606
SHA1

42342ac58f02295dadd411e7eb2ab57cad676824
SHA256

94dd721db7f8f975f2b8cac62518c42889e86f1b29d47d1400b53bbba950b8ec
SHA512

e2ae670b28e8fc0f60e022fcbcf5c9df74d715b56dfc7c2b3fac6bc18efce584cd5752df51176436e03947929d5e81dfefd2636d04e56798bee4b33d3347735e
SSDEEP

12288:rg4HBDJRr+052Wcmb9J8Arpgt93luHpv662uOuI8JQd4qhtKb:rgMNJ1+lCbJpYnuT2uRI4c

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

top.thekillforabuse1.xyz:55988

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-3LSD40
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\Systjjnem.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Systjjnem.exe	Powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment_Notification2.pdf.exe

description pid process target process

PID 1252 set thread context of 1056 1252 Payment_Notification2.pdf.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Powershell.exe

pid process

1040 Powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment_Notification2.pdf.exePowershell.exe

description pid process

Token: SeDebugPrivilege 1252 Payment_Notification2.pdf.exe
Token: SeDebugPrivilege 1040 Powershell.exe

description	pid	process	target process
PID 1252 set thread context of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe

pid	process
1040	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	1252	Payment_Notification2.pdf.exe
Token: SeDebugPrivilege	1040	Powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Payment_Notification2.pdf.exe

description	pid	process	target process
PID 1252 wrote to memory of 1040	1252	Payment_Notification2.pdf.exe	Powershell.exe
PID 1252 wrote to memory of 1040	1252	Payment_Notification2.pdf.exe	Powershell.exe
PID 1252 wrote to memory of 1040	1252	Payment_Notification2.pdf.exe	Powershell.exe
PID 1252 wrote to memory of 1040	1252	Payment_Notification2.pdf.exe	Powershell.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 1252 wrote to memory of 1056	1252	Payment_Notification2.pdf.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Payment_Notification2.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_Notification2.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Payment_Notification2.pdf.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Systjjnem.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1040

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:1056

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1040-57-0x0000000000000000-mapping.dmp

Download
memory/1040-77-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1056-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1056-73-0x00000000004327A4-mapping.dmp

Download
memory/1252-54-0x0000000000040000-0x00000000000D8000-memory.dmp

Filesize
608KB

Download
memory/1252-55-0x0000000001F60000-0x0000000001FEE000-memory.dmp

Filesize
568KB

Download
memory/1252-56-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1252-59-0x00000000003C0000-0x00000000003DC000-memory.dmp

Filesize
112KB

Download

Analysis

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