remcos | c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4

General

Target

c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe
Size

1.1MB
MD5

b020367cee5bec0b6ac99f0b6bbfdade
SHA1

5bd27e290058d092b7d97571c4047d8b4952b8ca
SHA256

c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4
SHA512

01b91cf3eb2bc10b6e5d7b47a99704f5c5bd8dcab92c8e7109b54b58f8e613b38c99bad124a1a58497aa049436cf842779bc7cf349ee7d34b3bb9bfd94b88465
SSDEEP

12288:GL13yaZWVlyj7WLVgy/GnUSeDCAuctlZufGEG9Wlfeg96T8Omqivd9ecnnIv17Ly:GL13JSo3Q7/zKcNiGEG9W0/sqcnS7O

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

Processes:

powershell.exepowershell.exe

pid	Process
2196	powershell.exe
2740	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe

description	pid	Process	procid_target
PID 2332 set thread context of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.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

Processes:

c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exepowershell.exeschtasks.exepowershell.exec6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.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

Processes:

schtasks.exe

pid	Process
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exepowershell.exepowershell.exe

pid	Process
2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe
2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe
2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe
2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe
2196	powershell.exe
2740	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exepowershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe
Token: SeDebugPrivilege	2196	powershell.exe
Token: SeDebugPrivilege	2740	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe

description	pid	Process	procid_target
PID 2332 wrote to memory of 2196	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	31
PID 2332 wrote to memory of 2196	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	31
PID 2332 wrote to memory of 2196	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	31
PID 2332 wrote to memory of 2196	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	31
PID 2332 wrote to memory of 2740	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	33
PID 2332 wrote to memory of 2740	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	33
PID 2332 wrote to memory of 2740	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	33
PID 2332 wrote to memory of 2740	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	33
PID 2332 wrote to memory of 2796	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	34
PID 2332 wrote to memory of 2796	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	34
PID 2332 wrote to memory of 2796	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	34
PID 2332 wrote to memory of 2796	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	34
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37
PID 2332 wrote to memory of 2620	2332	c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe	37

C:\Users\Admin\AppData\Local\Temp\c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe
"C:\Users\Admin\AppData\Local\Temp\c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332
- 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\c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2196
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YBCZARqbWZsvUc.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YBCZARqbWZsvUc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1094.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2796
- C:\Users\Admin\AppData\Local\Temp\c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe
  "C:\Users\Admin\AppData\Local\Temp\c6c21a9e00bd6cb9fd555ae4f413f47fb311f62e1229db1614ea4b2271fe7df4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2620

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\tmp1094.tmp

Filesize
1KB

MD5
83dcc28e15971e5718f600a51a147922

SHA1
4e11b9c05589ce6d9dd2a8ea947853c60b87db7c

SHA256
59141aa6899e2835d656be2ab2f535b01bfa70e29d73db38f29c4162b46d2715

SHA512
012f961df2c984b249b304f4437c15a1460c1f5633fc516dbb38058a3c6d9b402d96300bb7844e9da8a0a9c7f51f177e65eb324fe22e62241cb9f5fc26c96091

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\WELTUPEABNHJQZ8C2NX0.temp

Filesize
7KB

MD5
2f329533418203ae32dae63f0d656976

SHA1
6d4c3dccb6798687bac22e2929f2b21bff698188

SHA256
56b76f20ad904e09fda0c5fd05595b9e6e0934fbe888520b9e9c5ae471d107e8

SHA512
8ebeec5041d5fbec176608268cd95fb74a2ea53ac706dd131a2215df53a457fe9efe9af3a1ca8cb8ae41e4b6205f8f66ebaec871b8d9900716b21bde538861a7

Download Submit
memory/2332-40-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2332-1-0x0000000000AD0000-0x0000000000BEC000-memory.dmp

Filesize
1.1MB

Download
memory/2332-2-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2332-3-0x0000000000950000-0x000000000096C000-memory.dmp

Filesize
112KB

Download
memory/2332-4-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/2332-5-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2332-6-0x0000000007C30000-0x0000000007CF0000-memory.dmp

Filesize
768KB

Download
memory/2332-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/2620-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2620-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads