remcos | 1bd0be551dddca318d0d5900bdec33945c8c1dba5a7aa6be77ce5a150eb3d797

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 17:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
Size

932KB
MD5

64e16402e0b5cb51390ae3045c20a7df
SHA1

a5d496972c0344e5d72272d03daa5fcadabcc87d
SHA256

0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820
SHA512

5e2c69c2922591ee05d1d272e6acea984a8b5d9332f07629ecb3c14e06a516b61ec460b0b438f29155d995c39aa14e4c1eaa7b3233dc6fc8104a9f2f6bb197bc
SSDEEP

24576:zYQactqtW214Y3PTp8au7Yf7nP0zChutXNBxRv6N:zS1d3Pl8aueEqutDxJ

Score

10^/10

remcos 5764576 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

5764576

172.93.218.178:45667

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
765-XJJE0J
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

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
2784	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.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 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	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.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	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.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
2732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
2784	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
Token: SeDebugPrivilege	2784	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2784	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	30
PID 1728 wrote to memory of 2784	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	30
PID 1728 wrote to memory of 2784	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	30
PID 1728 wrote to memory of 2784	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	30
PID 1728 wrote to memory of 2732	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	32
PID 1728 wrote to memory of 2732	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	32
PID 1728 wrote to memory of 2732	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	32
PID 1728 wrote to memory of 2732	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	32
PID 1728 wrote to memory of 1968	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 1728 wrote to memory of 1968	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 1728 wrote to memory of 1968	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 1728 wrote to memory of 1968	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 1728 wrote to memory of 2716	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	35
PID 1728 wrote to memory of 2716	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	35
PID 1728 wrote to memory of 2716	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	35
PID 1728 wrote to memory of 2716	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	35
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36
PID 1728 wrote to memory of 2724	1728	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	36

C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
"C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tNkpyCqWiCcy.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tNkpyCqWiCcy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1AD1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2732
- C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
  "C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe"
  2⤵
  PID:1968
- C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
  "C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe"
  2⤵
  PID:2716
- C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
  "C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2724

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1AD1.tmp

Filesize
1KB

MD5
e83a1c984ca4135bf7549002396bd40a

SHA1
ecad823351c2419b6b6e3f5f99b411b7e3249650

SHA256
3568c6ff6aa736bf473ded2bccdf62f69fccdddbbb06e86733a35f63a2576d45

SHA512
759d7dfd44cd3d13f594fda2d841c702abd254b8b771f75e2fe84b77a5caa218d610b993ba7ebf21563fdae4930decafad8f4bc626c674d47469216b125adadc

Download Submit
memory/1728-34-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-1-0x0000000000120000-0x000000000020C000-memory.dmp

Filesize
944KB

Download
memory/1728-2-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-3-0x0000000000450000-0x000000000046A000-memory.dmp

Filesize
104KB

Download
memory/1728-4-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/1728-5-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-6-0x0000000000580000-0x000000000058E000-memory.dmp

Filesize
56KB

Download
memory/1728-7-0x0000000004E70000-0x0000000004F2E000-memory.dmp

Filesize
760KB

Download
memory/1728-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/2724-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2724-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download