remcos | 4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee

General

Target

4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
Size

1.0MB
MD5

7fe5f3f1d077626ddad8406b7975ed87
SHA1

23eba4f75b7960d9edd9679515771cc8ccfe0372
SHA256

4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee
SHA512

70ff042c59b1fd4b0ffa18002d239e65ffdc32f7df2d079ba596551de2d23849d236eedcfb580d82e84cc68a2c911af295ef66458f56162bd89753484c9861d8
SSDEEP

24576:32CGzbZCkrpm1sHsqgQYKY4agvoR5ORGIemTzEp6VBw:32CGzbokNMqgQeOAKU1

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

41.216.183.218:56792

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-I5RS8V
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
2184	powershell.exe
2792	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2556 set thread context of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2912	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
2792	powershell.exe
2184	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
Token: SeDebugPrivilege	2792	powershell.exe
Token: SeDebugPrivilege	2184	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2184	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	31
PID 2556 wrote to memory of 2184	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	31
PID 2556 wrote to memory of 2184	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	31
PID 2556 wrote to memory of 2184	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	31
PID 2556 wrote to memory of 2792	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	33
PID 2556 wrote to memory of 2792	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	33
PID 2556 wrote to memory of 2792	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	33
PID 2556 wrote to memory of 2792	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	33
PID 2556 wrote to memory of 2912	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	35
PID 2556 wrote to memory of 2912	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	35
PID 2556 wrote to memory of 2912	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	35
PID 2556 wrote to memory of 2912	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	35
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37
PID 2556 wrote to memory of 2672	2556	4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe	37

C:\Users\Admin\AppData\Local\Temp\4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
"C:\Users\Admin\AppData\Local\Temp\4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556
- 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\4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2184
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fanBYIAxatVKe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2792
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fanBYIAxatVKe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2607.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2912
- C:\Users\Admin\AppData\Local\Temp\4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe
  "C:\Users\Admin\AppData\Local\Temp\4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672

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\tmp2607.tmp

Filesize
1KB

MD5
2bda9c5c835db22e6afe28212d5139a3

SHA1
e5e82361839676927c23a075f6b0abe99fc72cdf

SHA256
4182b48da3546bb369de93485d6af9136e43a4427345eea7d3feb35451dbb3ab

SHA512
f849e691ffb8cf875d69b16a43ec40c4fbf3abc60dd86537fba84ce3fe45deb70f0c806f7ef1703e901b3a0715a4e2695a645de4091f88c14ee25de2e35fe8a2

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

Filesize
7KB

MD5
9bdef0f34aacbc2274fc839590bd13d0

SHA1
076a251bdf2154f6b90d6c15c93ff85a2254f4c5

SHA256
ef730a86ab0e6106b13cd1d9464562e16301f73c8af0c72b71b578f7e9361af7

SHA512
e32bcad07e1ccc5d12cd96a236c2f1087b132ef6307b63ea3a4970938f8902046d0413901a78aeedcc482eaac252d16ff89eba90d9ffdabcacb691a9860d78cf

Download Submit
memory/2556-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2556-1-0x0000000000200000-0x0000000000304000-memory.dmp

Filesize
1.0MB

Download
memory/2556-2-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-3-0x0000000000630000-0x000000000064C000-memory.dmp

Filesize
112KB

Download
memory/2556-4-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2556-5-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-6-0x0000000005F30000-0x0000000005FF0000-memory.dmp

Filesize
768KB

Download
memory/2556-40-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2672-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads