remcos | b672afc774d2c57bce68ffea72a0236019a2bfe9fdae61b6deac4906f9dff2ce

General

Target

Quote.scr
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
2092	powershell.exe
2248	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 2856	2584	Quote.scr	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
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

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
2800	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2584	Quote.scr
2584	Quote.scr
2584	Quote.scr
2092	powershell.exe
2584	Quote.scr
2584	Quote.scr
2248	powershell.exe
2584	Quote.scr

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	Quote.scr
Token: SeDebugPrivilege	2092	powershell.exe
Token: SeDebugPrivilege	2248	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2092	2584	Quote.scr	31
PID 2584 wrote to memory of 2092	2584	Quote.scr	31
PID 2584 wrote to memory of 2092	2584	Quote.scr	31
PID 2584 wrote to memory of 2092	2584	Quote.scr	31
PID 2584 wrote to memory of 2248	2584	Quote.scr	33
PID 2584 wrote to memory of 2248	2584	Quote.scr	33
PID 2584 wrote to memory of 2248	2584	Quote.scr	33
PID 2584 wrote to memory of 2248	2584	Quote.scr	33
PID 2584 wrote to memory of 2800	2584	Quote.scr	34
PID 2584 wrote to memory of 2800	2584	Quote.scr	34
PID 2584 wrote to memory of 2800	2584	Quote.scr	34
PID 2584 wrote to memory of 2800	2584	Quote.scr	34
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37
PID 2584 wrote to memory of 2856	2584	Quote.scr	37

C:\Users\Admin\AppData\Local\Temp\Quote.scr
"C:\Users\Admin\AppData\Local\Temp\Quote.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584
- 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"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2092
- 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:2248
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YPabBLvsNvjDRI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22FB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\Quote.scr
  "C:\Users\Admin\AppData\Local\Temp\Quote.scr"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856

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\tmp22FB.tmp

Filesize
1KB

MD5
1d264b9a722828f4e22e598c77bcaadd

SHA1
0deaed940e9e23ae69041a4079bc325c8a888eb5

SHA256
7d409bea7e4154f67ca10313d0bb464598521c354d3bf4ce467c58d6a0fae6d8

SHA512
0fe5c2ee03b8302c88d42e3b6359500e74f4f5c85d28e642463947f75161a7f06a203eeafed845630c849b5acd4911b395a875ea5687136072360dcf6e627f41

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\TA5R3CN30R95B77WESRX.temp

Filesize
7KB

MD5
d193302c26689677fe25d47490a0ff0c

SHA1
8a36845bd29d6deca8393ce6eb2b54b2b31a325c

SHA256
f82ad003825e16971fe52031ca16ca8cb14d9920491b94e07eab7245bc1c4ca7

SHA512
52e114657a535f59781672e58a75d445baa104f65181d56f0de5eb4960b4fc8604ad5a4df2fc255d999d177fd533482f10889a19b735cf5ec9c71ee91b567a2c

Download Submit
memory/2584-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2584-1-0x0000000000210000-0x000000000030C000-memory.dmp

Filesize
1008KB

Download
memory/2584-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2584-3-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/2584-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2584-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2584-6-0x000000000A4F0000-0x000000000A5B4000-memory.dmp

Filesize
784KB

Download
memory/2584-36-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-41-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-43-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-44-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-47-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2856-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads