remcos | 65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884

General

Target

65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe
Size

969KB
MD5

4f087cb99c652923ae7a73c899d57b20
SHA1

246ba498d03bd0a00b48d467242745bf0944f27e
SHA256

65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884
SHA512

7b5e766c33388f92c3d3beeacbe28348d96f95858dd468105e3c23aea9abce64de85e4b49aa65706b6a232b87fce4094f9ec2e0c5132e9de9df342393cbef4c2
SSDEEP

24576:2TKj8QMHRGRkdVU5hgJGoYzdYzUKbrYVSEv3g2QutJCjKxe6dVJ0gA:sKj8QMYKdSyJG15YPOpJyKxe6dVJ0

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

137.74.188.193:7789

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-0EXUE5
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 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2472	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe

description	pid	Process	procid_target
PID 2528 set thread context of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.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 4 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:

65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exepowershell.exeschtasks.exe65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.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	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.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
1912	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exepowershell.exe

pid	Process
2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe
2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe
2472	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe
Token: SeDebugPrivilege	2472	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe

description	pid	Process	procid_target
PID 2528 wrote to memory of 2472	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	31
PID 2528 wrote to memory of 2472	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	31
PID 2528 wrote to memory of 2472	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	31
PID 2528 wrote to memory of 2472	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	31
PID 2528 wrote to memory of 1912	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	32
PID 2528 wrote to memory of 1912	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	32
PID 2528 wrote to memory of 1912	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	32
PID 2528 wrote to memory of 1912	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	32
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35
PID 2528 wrote to memory of 2732	2528	65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe	35

C:\Users\Admin\AppData\Local\Temp\65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe
"C:\Users\Admin\AppData\Local\Temp\65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vChEpuDZrHa.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2472
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vChEpuDZrHa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD163.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1912
- C:\Users\Admin\AppData\Local\Temp\65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe
  "C:\Users\Admin\AppData\Local\Temp\65c7bcd5ea512d91fdcbc3f6cad89bc0bb67daf010f4be21f429a866978bd884N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2732

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\tmpD163.tmp

Filesize
1KB

MD5
813871ea55de13fe90dcc78101ae5ac9

SHA1
8036006676cec2038629c4ee0d1da74449ea0dc7

SHA256
0ef3ca09521956fbc60d3c87ae9b36d32296a1d067031e7257736e69ae1e3388

SHA512
6ffe2ece9ddab9c3554986b7cd6d50d4357d078c4a0b0378850167096cdda5b1e06eacc1dd6f403233167805a63e6775336a1b6dcf8c35041fde1238cb740b63

Download Submit
memory/2528-35-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-2-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2528-4-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2528-5-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-6-0x0000000005B30000-0x0000000005BF0000-memory.dmp

Filesize
768KB

Download
memory/2528-1-0x0000000000250000-0x0000000000348000-memory.dmp

Filesize
992KB

Download
memory/2528-3-0x0000000000710000-0x0000000000728000-memory.dmp

Filesize
96KB

Download
memory/2732-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2732-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads