remcos | 7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69

General

Target

7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe
Size

950KB
MD5

b8896a4d1adbefcc7fe4cac53b134968
SHA1

e7a68f4c1ac47ecc6cc43b12dc82651cff63f670
SHA256

7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69
SHA512

408cca545c8556b6191629d40ac69a25a2396e90b1daa74780bf5eec62abf908413836087fb45c48205cd35acd653884fb958cecdd3a25f487b1c3b864e10e83
SSDEEP

24576:1q7ngtNkKoxK5AP2EwiRcsgL5UNs3hpJB3FcU8Q:g7g7kKoKAOEF8UNYhpJ5F/8Q

Score

10^/10

remcos 3456789 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

3456789

C2

172.93.220.148:45682

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
765-8M14I5
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

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

pid	Process
2412	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1856 set thread context of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34

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

description	ioc	Process
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	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.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
1872	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2412	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2412	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	30
PID 1856 wrote to memory of 2412	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	30
PID 1856 wrote to memory of 2412	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	30
PID 1856 wrote to memory of 2412	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	30
PID 1856 wrote to memory of 1872	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	31
PID 1856 wrote to memory of 1872	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	31
PID 1856 wrote to memory of 1872	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	31
PID 1856 wrote to memory of 1872	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	31
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34
PID 1856 wrote to memory of 2884	1856	7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe	34

C:\Users\Admin\AppData\Local\Temp\7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe
"C:\Users\Admin\AppData\Local\Temp\7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bmkNCLNkqvOpVZ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2412
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bmkNCLNkqvOpVZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB72F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1872
- C:\Users\Admin\AppData\Local\Temp\7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe
  "C:\Users\Admin\AppData\Local\Temp\7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884

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\tmpB72F.tmp

Filesize
1KB

MD5
609b44b2c688e66c25f8be2325e6fc5a

SHA1
f9de667e20195857c60778eadb3f824ae5255f15

SHA256
41345c61847a353865d1ea42b3722220de53ee73a30f136860f2e56dd1c24921

SHA512
f405cc38fc06e7bd1aada691df67ffee0abdf3e233cb339a6d001e5dd5c4f22c4a0b91b255fff6161856f5eb4610e1b2102b23190f0b0290fe6caf82887fb53c

Download Submit
memory/1856-33-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/1856-1-0x0000000000FE0000-0x00000000010D4000-memory.dmp

Filesize
976KB

Download
memory/1856-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/1856-3-0x00000000005A0000-0x00000000005B8000-memory.dmp

Filesize
96KB

Download
memory/1856-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/1856-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/1856-6-0x0000000005090000-0x000000000514E000-memory.dmp

Filesize
760KB

Download
memory/1856-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2884-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2884-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads