remcos | 9f05db230894256a6be6bf1b5b523894e621cf0b43632c0465c76717058d3ebb

General

Target

Quote.scr.exe
Size

984KB
MD5

09d1f74cf4434fd7ff3ee83a2479d7a9
SHA1

d70d3164f2fe24b4263e56ff2df171c15110e33b
SHA256

9f05db230894256a6be6bf1b5b523894e621cf0b43632c0465c76717058d3ebb
SHA512

7e8aa100fb7da347d56b9f34a87a91e5dfe71fa370f9dd42f571e70a37b779819253682dfe879224e06427b0ff10f4951e5b31648945011fd44584d480b062bb
SSDEEP

24576:3IHzeLasydPeQ7h+ue7k+i4ZcPU33R1f4VTPx4pty9A:YaLaVJeQ0ue7Tcs33R14Fx4pty9A

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

2.58.56.182:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-GM05WY
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
Remcos family
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
2712	powershell.exe
2844	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2768 set thread context of 1652	2768	Quote.scr.exe	37

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	Quote.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	Quote.scr.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
2728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2768	Quote.scr.exe
2768	Quote.scr.exe
2768	Quote.scr.exe
2768	Quote.scr.exe
2712	powershell.exe
2768	Quote.scr.exe
2844	powershell.exe
2768	Quote.scr.exe
2768	Quote.scr.exe
2768	Quote.scr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	Quote.scr.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	2844	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2712	2768	Quote.scr.exe	30
PID 2768 wrote to memory of 2712	2768	Quote.scr.exe	30
PID 2768 wrote to memory of 2712	2768	Quote.scr.exe	30
PID 2768 wrote to memory of 2712	2768	Quote.scr.exe	30
PID 2768 wrote to memory of 2844	2768	Quote.scr.exe	32
PID 2768 wrote to memory of 2844	2768	Quote.scr.exe	32
PID 2768 wrote to memory of 2844	2768	Quote.scr.exe	32
PID 2768 wrote to memory of 2844	2768	Quote.scr.exe	32
PID 2768 wrote to memory of 2728	2768	Quote.scr.exe	34
PID 2768 wrote to memory of 2728	2768	Quote.scr.exe	34
PID 2768 wrote to memory of 2728	2768	Quote.scr.exe	34
PID 2768 wrote to memory of 2728	2768	Quote.scr.exe	34
PID 2768 wrote to memory of 2332	2768	Quote.scr.exe	36
PID 2768 wrote to memory of 2332	2768	Quote.scr.exe	36
PID 2768 wrote to memory of 2332	2768	Quote.scr.exe	36
PID 2768 wrote to memory of 2332	2768	Quote.scr.exe	36
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37
PID 2768 wrote to memory of 1652	2768	Quote.scr.exe	37

C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2768
- 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\Quote.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YPabBLvsNvjDRI.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\YPabBLvsNvjDRI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE4A4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe"
  2⤵
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1652

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE4A4.tmp

Filesize
1KB

MD5
4dc235ae4abe53cd5fc0454399bb8656

SHA1
20a409c3ee999ee37357e0745537b0d781d15943

SHA256
21fd9b89af8ea4911f20510d4a270e2174826bc81102fe4cbc5a458da9abe281

SHA512
5a894dc6f25fae1caa51f9dae0237459d4f4de346f55fb4316402023c8ff6b84d6c2caeb11ae550588c816c14abc99b02a345d11def2cdf9550c2d47155dfa08

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
3250c3e6b21c5018477126747766684d

SHA1
51c464eb6fff3d5ec5752c41a11d9ba56ec1d03d

SHA256
cc2f79791b7a30275bf04fe60ad1319fc4ac2ca201b5ffc34f701c581f82900b

SHA512
21d23b4010e8f5d0c14d47859af4d2da786ff1f39ee71c7c39a2406929a2c30d01491b7f099c277407528d9bc9901205bb41bbf74a7592978f99fe463540942f

Download Submit
memory/1652-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-49-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-47-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-44-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1652-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-36-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-43-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1652-41-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2768-38-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-3-0x00000000007D0000-0x00000000007EE000-memory.dmp

Filesize
120KB

Download
memory/2768-4-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2768-1-0x00000000000E0000-0x00000000001DC000-memory.dmp

Filesize
1008KB

Download
memory/2768-2-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-6-0x000000000A490000-0x000000000A554000-memory.dmp

Filesize
784KB

Download
memory/2768-5-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads