remcos | 3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5

General

Target

3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe
Size

987KB
MD5

3fd2edc9d87c0a0eb814814f8f461483
SHA1

4b9ec9455439827479f661ddba252228e60db2ce
SHA256

3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
SHA512

21aee3b2bf388738937f7a262bc5def06c0d0eb09529d237565b369f93c643c5a44292031d844dc5a6e6a7f85866683d27e92ea966d3c24f89eabc6e84ae5070
SSDEEP

24576:OZMMCpg5QbkH/njR1WWdHSZCGF9bbMZi:70QmjR1W+HGHb9

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.243.155:7643

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-C9YEJ8
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2848	powershell.exe
2756	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36

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 5 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	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.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
2640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2848	powershell.exe
2756	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2756	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
860	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2848	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	30
PID 2804 wrote to memory of 2848	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	30
PID 2804 wrote to memory of 2848	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	30
PID 2804 wrote to memory of 2848	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	30
PID 2804 wrote to memory of 2756	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	32
PID 2804 wrote to memory of 2756	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	32
PID 2804 wrote to memory of 2756	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	32
PID 2804 wrote to memory of 2756	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	32
PID 2804 wrote to memory of 2640	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	34
PID 2804 wrote to memory of 2640	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	34
PID 2804 wrote to memory of 2640	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	34
PID 2804 wrote to memory of 2640	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	34
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36
PID 2804 wrote to memory of 860	2804	3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe	36

C:\Users\Admin\AppData\Local\Temp\3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe
"C:\Users\Admin\AppData\Local\Temp\3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gqxyRiPaQx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gqxyRiPaQx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6CA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2640
- C:\Users\Admin\AppData\Local\Temp\3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe
  "C:\Users\Admin\AppData\Local\Temp\3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
920e7ab52baa1a78d37b6868370c0ddc

SHA1
a21dc91b26092f8e76a4f63db2b810c81ea633b1

SHA256
02ce6b2f5088f72387caf82b4154c6de04c9c44e12d923710ff029a7ffac706f

SHA512
93234ea323ceb06652c1c789ec37549b459eb9e7d842a128918c33f1676c3ee23181b1f00359713517e08ca6e2db10d9a8eefd362c5a65864da040f7469d20a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA6CA.tmp

Filesize
1KB

MD5
0bcc41a345fccde8c393bc6aa7076d80

SHA1
8a4b8d4093d20f9a226c193867815845438a601f

SHA256
cb8d8716e0c08c27dbfec9a29df2081c0efeb49deadb597cf7be475cc1027a3e

SHA512
fbea34269685a09a97d3865124f5961aba805e5191d084c3c3ed3c7d78fbf298e5ca9b5b8669afc5f0d0a0b3f038955f2d8b9a09ce3e778135732eb32d0ab93a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PHP4RELCR8FP6TAWAS83.temp

Filesize
7KB

MD5
4d97c9ac2c1541e4db3aac3ad59afca8

SHA1
31008fc726f02a3073c6ac6d20df373f6b033865

SHA256
3c328251af507a67b656563c67a7d633220617fbbb46757dac50b98a8051e796

SHA512
08f523b17cabecbb0110a00b9f9e99d77a638c4fe80f2721473d6fdfc8516968b968d584a07c26e0823378450b18197f5ead0a20a34a8c66e9aa1b26182514f3

Download Submit
memory/860-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/860-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/860-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-4-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/2804-1-0x0000000001250000-0x000000000134E000-memory.dmp

Filesize
1016KB

Download
memory/2804-5-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2804-0-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/2804-2-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2804-41-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2804-3-0x0000000000480000-0x0000000000498000-memory.dmp

Filesize
96KB

Download
memory/2804-6-0x0000000004DC0000-0x0000000004E80000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads