remcos | e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebf

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 19:26

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General

Target

e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
Size

1.0MB
MD5

bcdbacfe3adb40985b399abc97da9950
SHA1

cae3236ee70aab4ce94c6e7a11d93a18532d8a57
SHA256

e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebf
SHA512

dba8944eea9a1e9b880b74ecd0d5bd96c898f9b763ccdd3d7ee83ec95c8054258c96b5240dd62f0d2a2b5f71bb79b4ad417330cd142477ef9952d6595b489b19
SSDEEP

24576:tWVkEGYmNVuq4oNH+J15qmQDfwpYI3Gn2mtITaAC0:tWVgYmXZeNqffKTTa3

Score

10^/10

remcos newfile discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

newfile

novsereverconfigconnect.duckdns.org:45682

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
465-V3XM2U
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
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2844	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2844	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2844	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	31
PID 2328 wrote to memory of 2844	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	31
PID 2328 wrote to memory of 2844	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	31
PID 2328 wrote to memory of 2844	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	31
PID 2328 wrote to memory of 2940	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	33
PID 2328 wrote to memory of 2940	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	33
PID 2328 wrote to memory of 2940	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	33
PID 2328 wrote to memory of 2940	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	33
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35
PID 2328 wrote to memory of 2876	2328	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	35

C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
"C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cRBWNNQsqe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cRBWNNQsqe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4450.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2940
- C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
  "C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4450.tmp

Filesize
1KB

MD5
c5423e2c94ac52e83f79699a652a1983

SHA1
358517caa82c80cf585c387cf5dd15a5b3a07800

SHA256
13b708dc866c8bbf5b367c112b3a3d565a494ccdf647041d64c1feee97193194

SHA512
3f9980243c1891e88eca17b353ab601b923965ebfdfb818d5f194e2c3ed8adea82c40433c4615f2877f40c34da8ea7c918e77c8901ea9bf745258177c6c7cdf0

Download Submit
memory/2328-34-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-1-0x0000000001070000-0x0000000001178000-memory.dmp

Filesize
1.0MB

Download
memory/2328-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-3-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/2328-4-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-5-0x0000000000730000-0x000000000074C000-memory.dmp

Filesize
112KB

Download
memory/2328-6-0x00000000050D0000-0x000000000518E000-memory.dmp

Filesize
760KB

Download
memory/2328-0-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/2876-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2876-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2876-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download