remcos | 1bd0be551dddca318d0d5900bdec33945c8c1dba5a7aa6be77ce5a150eb3d797

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

C2

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
2284	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2240 set thread context of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.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
2904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2284	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2284	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	30
PID 2240 wrote to memory of 2284	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	30
PID 2240 wrote to memory of 2284	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	30
PID 2240 wrote to memory of 2284	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	30
PID 2240 wrote to memory of 2904	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	32
PID 2240 wrote to memory of 2904	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	32
PID 2240 wrote to memory of 2904	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	32
PID 2240 wrote to memory of 2904	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	32
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34
PID 2240 wrote to memory of 2776	2240	0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe	34

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 use of WriteProcessMemory
PID:2240
- 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:2284
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tNkpyCqWiCcy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC4E5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2904
- C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe
  "C:\Users\Admin\AppData\Local\Temp\0955e1c717cfb3cc4b97d2e22f2e1f6493b6afa62f94e8d068baa3946f47f820.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776

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:\Users\Admin\AppData\Local\Temp\tmpC4E5.tmp

Filesize
1KB

MD5
e59735ad3cb39256e98f4c7537221c71

SHA1
96300b63b39c9eef6d1cd592075390c5f6d4e478

SHA256
b3d53059f8ca574f7aa0ed08568af69fcc3d53c70084d83d0871f443b46a4ec1

SHA512
3cdf299a2fde640878da417717f8c4257eb539a8076ac69f5046ed17b194de501a9c46b139b80ea5f2387c612fd11f9e36539cd12c025fea5c0e2ced28339915

Download Submit
memory/2240-34-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2240-1-0x00000000009F0000-0x0000000000ADC000-memory.dmp

Filesize
944KB

Download
memory/2240-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2240-3-0x0000000000490000-0x00000000004AA000-memory.dmp

Filesize
104KB

Download
memory/2240-4-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2240-5-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2240-6-0x00000000004C0000-0x00000000004CE000-memory.dmp

Filesize
56KB

Download
memory/2240-7-0x0000000004C40000-0x0000000004CFE000-memory.dmp

Filesize
760KB

Download
memory/2240-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2776-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads