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 2496 set thread context of 2192 2496 Payment_Notification2.pdf.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Powershell.exe

pid process

3452 Powershell.exe
3452 Powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment_Notification2.pdf.exePowershell.exe

description pid process

Token: SeDebugPrivilege 2496 Payment_Notification2.pdf.exe
Token: SeDebugPrivilege 3452 Powershell.exe

description	pid	process	target process
PID 2496 set thread context of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe

pid	process
3452	Powershell.exe
3452	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	2496	Payment_Notification2.pdf.exe
Token: SeDebugPrivilege	3452	Powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Payment_Notification2.pdf.exe

description	pid	process	target process
PID 2496 wrote to memory of 3452	2496	Payment_Notification2.pdf.exe	Powershell.exe
PID 2496 wrote to memory of 3452	2496	Payment_Notification2.pdf.exe	Powershell.exe
PID 2496 wrote to memory of 3452	2496	Payment_Notification2.pdf.exe	Powershell.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	Payment_Notification2.pdf.exe	RegSvcs.exe
PID 2496 wrote to memory of 2192	2496	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:2496

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:3452

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2192

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2192-142-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2192-147-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2192-136-0x0000000000000000-mapping.dmp

Download
memory/2192-145-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2192-139-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2192-137-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2496-133-0x0000000009D40000-0x0000000009DDC000-memory.dmp

Filesize
624KB

Download
memory/2496-134-0x000000000A490000-0x000000000AA34000-memory.dmp

Filesize
5.6MB

Download
memory/2496-132-0x0000000000B90000-0x0000000000C28000-memory.dmp

Filesize
608KB

Download
memory/3452-140-0x0000000005530000-0x0000000005B58000-memory.dmp

Filesize
6.2MB

Download
memory/3452-141-0x00000000053D0000-0x00000000053F2000-memory.dmp

Filesize
136KB

Download
memory/3452-143-0x0000000005470000-0x00000000054D6000-memory.dmp

Filesize
408KB

Download
memory/3452-144-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/3452-138-0x0000000004E00000-0x0000000004E36000-memory.dmp

Filesize
216KB

Download
memory/3452-146-0x0000000006310000-0x000000000632E000-memory.dmp

Filesize
120KB

Download
memory/3452-135-0x0000000000000000-mapping.dmp

Download
memory/3452-148-0x0000000007550000-0x00000000075E6000-memory.dmp

Filesize
600KB

Download
memory/3452-149-0x0000000006830000-0x000000000684A000-memory.dmp

Filesize
104KB

Download
memory/3452-150-0x0000000006890000-0x00000000068B2000-memory.dmp

Filesize
136KB

Download

Analysis

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