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
2640	powershell.exe
2384	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2360 set thread context of 2576	2360	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
2708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2360	Quote.scr.exe
2360	Quote.scr.exe
2360	Quote.scr.exe
2640	powershell.exe
2360	Quote.scr.exe
2384	powershell.exe
2360	Quote.scr.exe
2360	Quote.scr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	Quote.scr.exe
Token: SeDebugPrivilege	2640	powershell.exe
Token: SeDebugPrivilege	2384	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2640	2360	Quote.scr.exe	31
PID 2360 wrote to memory of 2640	2360	Quote.scr.exe	31
PID 2360 wrote to memory of 2640	2360	Quote.scr.exe	31
PID 2360 wrote to memory of 2640	2360	Quote.scr.exe	31
PID 2360 wrote to memory of 2384	2360	Quote.scr.exe	33
PID 2360 wrote to memory of 2384	2360	Quote.scr.exe	33
PID 2360 wrote to memory of 2384	2360	Quote.scr.exe	33
PID 2360 wrote to memory of 2384	2360	Quote.scr.exe	33
PID 2360 wrote to memory of 2708	2360	Quote.scr.exe	35
PID 2360 wrote to memory of 2708	2360	Quote.scr.exe	35
PID 2360 wrote to memory of 2708	2360	Quote.scr.exe	35
PID 2360 wrote to memory of 2708	2360	Quote.scr.exe	35
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	Quote.scr.exe	37
PID 2360 wrote to memory of 2576	2360	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:2360
- 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:2640
- 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:2384
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YPabBLvsNvjDRI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp391A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2708
- 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:2576

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\tmp391A.tmp

Filesize
1KB

MD5
ed72236439de4a6c4997c4828682e264

SHA1
fd14bb500a4765661232ec953ba125a333cadf68

SHA256
5a90d09b11e7393afa90a9f255717347e3f6b08b95078ec17575e0776d8f2a45

SHA512
7a95ea974115fce9a02438a38e83d3b8176ec8b5f1ba20cbb62c9504dd7d82f812a376042c70c7edbbd249b75360d57392cbb33a6c3ce8324495cd9bb4b01d9b

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

Filesize
7KB

MD5
21cc7a7cf91732373dbcc05ef75a48b0

SHA1
1067f74ee7d8fb030a57339890534e759b02bfe6

SHA256
fd2f7e77a4820a016550a0f2465d7232e754eb9c253cf64b44d3e44c3d3fd28a

SHA512
84d561b6acbe2e0c91f8176b418a611a95ae5f3d8f5631bfb760ac9c171aa742ca84bb07c4c8266c3f3b7f393d53ac320ce556660c361b1e4fad04aea16f7be9

Download Submit
memory/2360-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2360-1-0x0000000001100000-0x00000000011FC000-memory.dmp

Filesize
1008KB

Download
memory/2360-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-3-0x00000000004F0000-0x000000000050E000-memory.dmp

Filesize
120KB

Download
memory/2360-4-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2360-5-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-6-0x000000000A5B0000-0x000000000A674000-memory.dmp

Filesize
784KB

Download
memory/2360-36-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-41-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-43-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-44-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-47-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2576-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads