remcos | c548170eee396cd9ffc197fb13bf8fcfc38c9098c56e8eff3548883f4fdccfb9

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 17:33

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General

Target

419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe
Size

955KB
MD5

66bc12a8ad1e13c3e6dd65bd6db4790a
SHA1

61048635297de9edf916ab5c2bbeeac865cad997
SHA256

419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7
SHA512

0f9fe805f7926a686382da2acc24da889be640b1951eb1a68c4f853aca56e7f3b1ff13d213d419f18e64b49f7a1c38edec556e2531d89c44e02755b286cec1aa
SSDEEP

12288:dNPjK8AQLVCuOIfT4+Fx3ro79vWISMbaYVhtV8on56HldggrhmupdaDgYXvHS:d5RLAxIT4+Fx7EFSUtV8

Score

10^/10

remcos portugal discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.0 Pro

Botnet

PORTUGAL

portugal16.duckdns.org:1717

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-V9MRM7
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
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2240 set thread context of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33

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 3 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	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe
2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe
2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe
2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2512	RegSvcs.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2924	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	31
PID 2240 wrote to memory of 2924	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	31
PID 2240 wrote to memory of 2924	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	31
PID 2240 wrote to memory of 2924	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	31
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33
PID 2240 wrote to memory of 2512	2240	419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe	33

C:\Users\Admin\AppData\Local\Temp\419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe
"C:\Users\Admin\AppData\Local\Temp\419000b66f04ce0f9b5b3b9f4825d4b68d21df27e99d02b483bd96aa240413d7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GbbHlpGhB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B1B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5B1B.tmp

Filesize
1KB

MD5
c4e9e4b177d1e733a81347ab0a06ea1f

SHA1
e8314d9a21d34c1698975935938149b666f960e1

SHA256
a46c503fe95c4cb38cd87ba6a115aa320a57705123cb4b48e06666dab2799b2c

SHA512
1ed1437ffc73d34aee4f58d5670d9ded39d4179851839527355250d7b555eae46154157ff62e7edf958c4393a9652469ba171546880c96999ec24aa5c1807435

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
74B

MD5
8ace6beb24bd577945f83b42f3b6de1a

SHA1
4a599903604755070aa1883da9b6bf924d958d60

SHA256
c97330e4bfd407e733801f33d24049af6dc380f6fabfeaa7a860268b235575ad

SHA512
29653b753bebbda04eeb6febd954342df41b39724b107fdc218020c7d4dec6cbfab914869b699d1ab4c060f9614aedf3e0ab925ec52070c8cf8fb3346b22025d

Download Submit
memory/2240-28-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-1-0x0000000000090000-0x0000000000188000-memory.dmp

Filesize
992KB

Download
memory/2240-2-0x00000000043B0000-0x0000000004434000-memory.dmp

Filesize
528KB

Download
memory/2240-3-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-4-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2240-5-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2240-6-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-7-0x0000000004B40000-0x0000000004BDC000-memory.dmp

Filesize
624KB

Download
memory/2240-8-0x0000000004AB0000-0x0000000004B02000-memory.dmp

Filesize
328KB

Download
memory/2240-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2512-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2512-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-44-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-45-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-46-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-47-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-48-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-49-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-73-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-75-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-77-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-79-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2512-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download