remcos | 97877446157065be4f30ee241dde0ae70ed6d290e80273c818fe34d416e4eed8

General

Target

Q000112241 R02_October-24.exe
Size

952KB
MD5

791649fc80c75181431482ddb5e77849
SHA1

7a39cf21e2ac78a9add11252c09a15d40b78dfc9
SHA256

f0ee4e613fe0c318e3002dced6e2e3e459a71585100290da904f5575e73a2be8
SHA512

f5076979ff7dcb27f36dda641e44e585b88d06df6022cdc5ddcdfd5c33045a05cae3afb2a168e62175feb6afc45bad66b3290b8274e3f6199c2e3da705ad561e
SSDEEP

24576:6qPH//2HAftGPDEsNQBjnIx2qKGAUNelKMB+:662stGPDBQB8x25GeBB+

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

198.46.178.148:2404

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-LAHLH8
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
2852	powershell.exe
2924	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 1388	3012	Q000112241 R02_October-24.exe	35

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	Q000112241 R02_October-24.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	Q000112241 R02_October-24.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
1380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3012	Q000112241 R02_October-24.exe
3012	Q000112241 R02_October-24.exe
3012	Q000112241 R02_October-24.exe
3012	Q000112241 R02_October-24.exe
3012	Q000112241 R02_October-24.exe
3012	Q000112241 R02_October-24.exe
3012	Q000112241 R02_October-24.exe
2924	powershell.exe
2852	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	Q000112241 R02_October-24.exe
Token: SeDebugPrivilege	2924	powershell.exe
Token: SeDebugPrivilege	2852	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2852	3012	Q000112241 R02_October-24.exe	29
PID 3012 wrote to memory of 2852	3012	Q000112241 R02_October-24.exe	29
PID 3012 wrote to memory of 2852	3012	Q000112241 R02_October-24.exe	29
PID 3012 wrote to memory of 2852	3012	Q000112241 R02_October-24.exe	29
PID 3012 wrote to memory of 2924	3012	Q000112241 R02_October-24.exe	31
PID 3012 wrote to memory of 2924	3012	Q000112241 R02_October-24.exe	31
PID 3012 wrote to memory of 2924	3012	Q000112241 R02_October-24.exe	31
PID 3012 wrote to memory of 2924	3012	Q000112241 R02_October-24.exe	31
PID 3012 wrote to memory of 1380	3012	Q000112241 R02_October-24.exe	33
PID 3012 wrote to memory of 1380	3012	Q000112241 R02_October-24.exe	33
PID 3012 wrote to memory of 1380	3012	Q000112241 R02_October-24.exe	33
PID 3012 wrote to memory of 1380	3012	Q000112241 R02_October-24.exe	33
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35
PID 3012 wrote to memory of 1388	3012	Q000112241 R02_October-24.exe	35

C:\Users\Admin\AppData\Local\Temp\Q000112241 R02_October-24.exe
"C:\Users\Admin\AppData\Local\Temp\Q000112241 R02_October-24.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- 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\Q000112241 R02_October-24.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eePBgD.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eePBgD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D4D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1380
- C:\Users\Admin\AppData\Local\Temp\Q000112241 R02_October-24.exe
  "C:\Users\Admin\AppData\Local\Temp\Q000112241 R02_October-24.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1388

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\tmp5D4D.tmp

Filesize
1KB

MD5
b4a99da0e4cbe3b0625c712f0a4d6557

SHA1
98be781e53fdbacd53af9d0810b86dc18990aae9

SHA256
69b7bc8942c833d64a8ae4d9ed1ccc4a53df192a22c62191c474064836a36dfe

SHA512
d041788afe8bcc5f2bfc964ee9ae7a766d363553d37a4b1c3f810933254b691d7590fb6d35eb43613c42b69eb259d16054e5832fea98c9aa1c6795c7fbbb694a

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

Filesize
7KB

MD5
a01ee5286610e903c34b9cc419ad8765

SHA1
917fc5c1d17f9088e269d6aa22c28cb3826a03ee

SHA256
0a11bb360f2c3a400b208bb5d7560530d2b76e1994bcdec1bbd9728d3fdeb241

SHA512
2122b4270e942f9a2ba8d9b72f66516998605274b95e6c01063032b97523b70cc4d29cbceb7e4284cfa220a349440a5b2b3ac216241118aad2e45d95682dfdd6

Download Submit
memory/1388-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1388-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1388-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-40-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/3012-3-0x00000000004E0000-0x00000000004FC000-memory.dmp

Filesize
112KB

Download
memory/3012-1-0x0000000000DB0000-0x0000000000EA0000-memory.dmp

Filesize
960KB

Download
memory/3012-2-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-6-0x0000000007790000-0x0000000007850000-memory.dmp

Filesize
768KB

Download
memory/3012-5-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-4-0x00000000748BE000-0x00000000748BF000-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