remcos | 8c62537b7b875c364a79b98adaa8d341b4a52e4d0a27697f0f07b1209ed53301

General

Target

10ab4b6fb83aea3840ac04855974f62d.exe
Size

959KB
MD5

10ab4b6fb83aea3840ac04855974f62d
SHA1

c41572120bb8f298d4a8683321e7a3b1cc7c54da
SHA256

8c62537b7b875c364a79b98adaa8d341b4a52e4d0a27697f0f07b1209ed53301
SHA512

d414499348356d4028c97718126dbc51aa240a63b70f3236d73003821910735bcef0761da0a873b55abfb18b71820fcd6bf4e58bac98109274c477cc68633d94
SSDEEP

24576:TuWl35eXIVicKGaiT+zuOiNPjdbdpcg4qCYi:BnXicKE6zuOiNPjdZ4qCYi

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

41.216.183.238:7112

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
Rmc-Y7J88P
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
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
2736	powershell.exe
2880	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.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	10ab4b6fb83aea3840ac04855974f62d.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	10ab4b6fb83aea3840ac04855974f62d.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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2072	10ab4b6fb83aea3840ac04855974f62d.exe
2072	10ab4b6fb83aea3840ac04855974f62d.exe
2072	10ab4b6fb83aea3840ac04855974f62d.exe
2072	10ab4b6fb83aea3840ac04855974f62d.exe
2736	powershell.exe
2880	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	10ab4b6fb83aea3840ac04855974f62d.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	2880	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2736	2072	10ab4b6fb83aea3840ac04855974f62d.exe	31
PID 2072 wrote to memory of 2736	2072	10ab4b6fb83aea3840ac04855974f62d.exe	31
PID 2072 wrote to memory of 2736	2072	10ab4b6fb83aea3840ac04855974f62d.exe	31
PID 2072 wrote to memory of 2736	2072	10ab4b6fb83aea3840ac04855974f62d.exe	31
PID 2072 wrote to memory of 2880	2072	10ab4b6fb83aea3840ac04855974f62d.exe	33
PID 2072 wrote to memory of 2880	2072	10ab4b6fb83aea3840ac04855974f62d.exe	33
PID 2072 wrote to memory of 2880	2072	10ab4b6fb83aea3840ac04855974f62d.exe	33
PID 2072 wrote to memory of 2880	2072	10ab4b6fb83aea3840ac04855974f62d.exe	33
PID 2072 wrote to memory of 2744	2072	10ab4b6fb83aea3840ac04855974f62d.exe	35
PID 2072 wrote to memory of 2744	2072	10ab4b6fb83aea3840ac04855974f62d.exe	35
PID 2072 wrote to memory of 2744	2072	10ab4b6fb83aea3840ac04855974f62d.exe	35
PID 2072 wrote to memory of 2744	2072	10ab4b6fb83aea3840ac04855974f62d.exe	35
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37
PID 2072 wrote to memory of 2808	2072	10ab4b6fb83aea3840ac04855974f62d.exe	37

C:\Users\Admin\AppData\Local\Temp\10ab4b6fb83aea3840ac04855974f62d.exe
"C:\Users\Admin\AppData\Local\Temp\10ab4b6fb83aea3840ac04855974f62d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- 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\10ab4b6fb83aea3840ac04855974f62d.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\myTuDsvNcebev.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2880
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\myTuDsvNcebev" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF190.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\10ab4b6fb83aea3840ac04855974f62d.exe
  "C:\Users\Admin\AppData\Local\Temp\10ab4b6fb83aea3840ac04855974f62d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808

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\tmpF190.tmp

Filesize
1KB

MD5
14c9ac830324cc6c77392e255283bf32

SHA1
8a0fc2950bce689cbe2dd86989f5e7f457de2dd9

SHA256
e9849851bbb6e0a4aa7f136a09a57ddf172beb8f00b64276d4b8dd8de250f3e4

SHA512
c861ca7e60f27417ee4eb2e412bb761e25530652f19bdec53cd6124b92021ce75ecff898c929d9b4459a6168a6199c2de446495f23794e581afc5582bfd745da

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YL2FOJQ8I7S1F4ARG1AH.temp

Filesize
7KB

MD5
30a90f12954cb02421875efb08b845ad

SHA1
c1d8c87bc330ffa663e9d0411b89cd793f216425

SHA256
a83cb18da9f025aaa7fdb0956bc827d5a331cd52c0c356717d18db9b7564bdc9

SHA512
24fb227f089c6f1213ee9dd2cc07da0d5fc3167a606920e4895cd48ec7ff725b447e661f68f20a54dbf14749c9c54e4dea0e400a2cf6ddf4248a69a93422d074

Download Submit
memory/2072-0-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000000CD0000-0x0000000000DC2000-memory.dmp

Filesize
968KB

Download
memory/2072-2-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-3-0x00000000003C0000-0x00000000003DC000-memory.dmp

Filesize
112KB

Download
memory/2072-4-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2072-5-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-6-0x0000000005910000-0x00000000059D0000-memory.dmp

Filesize
768KB

Download
memory/2072-37-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2808-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads