remcos | 61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 13:21

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General

Target

61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe
Size

1.3MB
MD5

a55159c7edc073d452e4fef92d247997
SHA1

d239b25b2a33a64134f11d2d2ac5c7a89e186a29
SHA256

61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d
SHA512

5189f51ce0f90a71e86e53ea23d564d796536c45db8c8f4a11e75947bb4fc0d2489c83899e4a8e8b81504007ccad7a05dc8ac02b0d47a52ea565396a27c5e8b3
SSDEEP

24576:AP+g7Wy3xfMZKdcKtTjbJ4jEEEEEEEEEEEEEEEEEEEETKKKKKKKKKKKKKKKKKKK7:A/iy3g6TjbIEEEEEEEEEEEEEEEEEEEE+

Score

10^/10

remcos fmglobal collection persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

FmGlobal

royaldachpharmacy.duckdns.org:6395

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
services.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-GRT17F
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

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/4536-50-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/4536-44-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/4536-42-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/2384-43-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2384-45-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2384-59-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2384-43-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4536-50-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3340-53-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3340-49-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2384-45-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4536-44-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4536-42-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2384-59-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe

Executes dropped EXE 4 IoCs

Processes:

services.exeservices.exeservices.exeservices.exe

pid process

2276 services.exe
2384 services.exe
4536 services.exe
3340 services.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2276	services.exe
2384	services.exe
4536	services.exe
3340	services.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

services.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	services.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exeservices.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-GRT17F = "\"C:\\ProgramData\\Remcos\\services.exe\""	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-GRT17F = "\"C:\\ProgramData\\Remcos\\services.exe\""	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-GRT17F = "\"C:\\ProgramData\\Remcos\\services.exe\""	services.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Eoosrcxm = "C:\\Users\\Public\\Eoosrcxm.url"	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-GRT17F = "\"C:\\ProgramData\\Remcos\\services.exe\""	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

services.exe

description	pid	process	target process
PID 2276 set thread context of 2384	2276	services.exe	services.exe
PID 2276 set thread context of 4536	2276	services.exe	services.exe
PID 2276 set thread context of 3340	2276	services.exe	services.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Script User-Agent 4 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	18	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	20	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	28	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	30	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

services.exeservices.exe

pid process

2384 services.exe
2384 services.exe
3340 services.exe
3340 services.exe
2384 services.exe
2384 services.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

services.exe

pid process

2276 services.exe
2276 services.exe
2276 services.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

services.exe

description pid process

Token: SeDebugPrivilege 3340 services.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

services.exe

pid process

2276 services.exe

pid	process
2384	services.exe
2384	services.exe
3340	services.exe
3340	services.exe
2384	services.exe
2384	services.exe

pid	process
2276	services.exe
2276	services.exe
2276	services.exe

description	pid	process
Token: SeDebugPrivilege	3340	services.exe

pid	process
2276	services.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exeservices.exe

description	pid	process	target process
PID 4976 wrote to memory of 5064	4976	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe	extrac32.exe
PID 4976 wrote to memory of 5064	4976	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe	extrac32.exe
PID 4976 wrote to memory of 5064	4976	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe	extrac32.exe
PID 4976 wrote to memory of 2276	4976	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe	services.exe
PID 4976 wrote to memory of 2276	4976	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe	services.exe
PID 4976 wrote to memory of 2276	4976	61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe	services.exe
PID 2276 wrote to memory of 2384	2276	services.exe	services.exe
PID 2276 wrote to memory of 2384	2276	services.exe	services.exe
PID 2276 wrote to memory of 2384	2276	services.exe	services.exe
PID 2276 wrote to memory of 4536	2276	services.exe	services.exe
PID 2276 wrote to memory of 4536	2276	services.exe	services.exe
PID 2276 wrote to memory of 4536	2276	services.exe	services.exe
PID 2276 wrote to memory of 3340	2276	services.exe	services.exe
PID 2276 wrote to memory of 3340	2276	services.exe	services.exe
PID 2276 wrote to memory of 3340	2276	services.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe
"C:\Users\Admin\AppData\Local\Temp\61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4976

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe C:\\Users\\Public\\Libraries\\Eoosrcxm.PIF
2⤵
PID:5064

C:\ProgramData\Remcos\services.exe
"C:\ProgramData\Remcos\services.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2276

C:\ProgramData\Remcos\services.exe
C:\ProgramData\Remcos\services.exe /stext "C:\Users\Admin\AppData\Local\Temp\vwheepligjftp"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2384

C:\ProgramData\Remcos\services.exe
C:\ProgramData\Remcos\services.exe /stext "C:\Users\Admin\AppData\Local\Temp\xynwfivcurxyzlar"
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
PID:4536

C:\ProgramData\Remcos\services.exe
C:\ProgramData\Remcos\services.exe /stext "C:\Users\Admin\AppData\Local\Temp\hsspgageizplbzxdyow"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Remcos\logs.dat

Filesize
144B

MD5
18c11471be9a13928ab28361c0097f8d

SHA1
514bdc27acb7f1536ed0a15d6116a273da4bc36b

SHA256
f1ee777dcbc352b3c65fdcd075c3e016730e7bffd11f5b18e0b0121647b33ab0

SHA512
a028e7d2eb893652a1c8a37dcca6502040576c73f549d8580932722690fa7abb4616d2f680f7326245a48832bb1de01365835ed50edccdc1dcfcaefca2ddf89e

Download Submit
C:\ProgramData\Remcos\services.exe

Filesize
1.3MB

MD5
a55159c7edc073d452e4fef92d247997

SHA1
d239b25b2a33a64134f11d2d2ac5c7a89e186a29

SHA256
61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d

SHA512
5189f51ce0f90a71e86e53ea23d564d796536c45db8c8f4a11e75947bb4fc0d2489c83899e4a8e8b81504007ccad7a05dc8ac02b0d47a52ea565396a27c5e8b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\vwheepligjftp

Filesize
4KB

MD5
8651f1ecc401fe73c45d06863467d144

SHA1
0150ba4649afe382ae1705552473bba7beb990f4

SHA256
51827e101e890667e6d9b8aa7b804d56b53cadc110b5b8b834229788c29a65e8

SHA512
c0b371d9080c0e82adae100a9400bb7bd239cfe243c072dde0f9310524b92d16a10db9117403d8af227cef9def552dba7c04da3b3bd46a88836acc071cb9890f

Download Submit
memory/2276-26-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-28-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-20-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-21-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-23-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-22-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-24-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/2276-16-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/2276-27-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-17-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-29-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-30-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-32-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-77-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-76-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-87-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-67-0x000000002DB00000-0x000000002EB00000-memory.dmp

Filesize
16.0MB

Download
memory/2276-65-0x000000004BFC0000-0x000000004BFD9000-memory.dmp

Filesize
100KB

Download
memory/2276-66-0x000000004BFC0000-0x000000004BFD9000-memory.dmp

Filesize
100KB

Download
memory/2276-62-0x000000004BFC0000-0x000000004BFD9000-memory.dmp

Filesize
100KB

Download
memory/2384-59-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2384-43-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2384-45-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2384-37-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2384-38-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3340-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3340-48-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3340-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3340-53-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3340-52-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/4536-39-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4536-50-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4536-41-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4536-42-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4536-44-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4976-0-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/4976-1-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download