remcos | 079d051b9169f0fad48d1a00b45acbac6da72589bec347eb86b3ba5471a504c0

General

Target

Customer Advisory - HS Code - Maersk Shipping/Customer Advisory - HS Code - Maersk Shipping.doc.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

C2

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 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/3668-42-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3668-41-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/2392-37-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2392-34-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2392-56-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2676-48-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2676-54-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2676-46-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3668-42-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3668-41-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2392-37-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2392-34-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2392-56-0x0000000000400000-0x0000000000478000-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:

Customer Advisory - HS Code - Maersk Shipping.doc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	Customer Advisory - HS Code - Maersk Shipping.doc.exe

Executes dropped EXE 4 IoCs

Processes:

services.exeservices.exeservices.exeservices.exe

pid process

2024 services.exe
2392 services.exe
3668 services.exe
2676 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
2024	services.exe
2392	services.exe
3668	services.exe
2676	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-1-5-21-1337824034-2731376981-3755436523-1000\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:

Customer Advisory - HS Code - Maersk Shipping.doc.exeservices.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Eoosrcxm = "C:\\Users\\Public\\Eoosrcxm.url"	Customer Advisory - HS Code - Maersk Shipping.doc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-GRT17F = "\"C:\\ProgramData\\Remcos\\services.exe\""	Customer Advisory - HS Code - Maersk Shipping.doc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-GRT17F = "\"C:\\ProgramData\\Remcos\\services.exe\""	Customer Advisory - HS Code - Maersk Shipping.doc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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

Suspicious use of SetThreadContext 3 IoCs

Processes:

services.exe

description	pid	process	target process
PID 2024 set thread context of 2392	2024	services.exe	services.exe
PID 2024 set thread context of 3668	2024	services.exe	services.exe
PID 2024 set thread context of 2676	2024	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	34	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	35	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	22	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	26	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

services.exeservices.exe

pid process

2392 services.exe
2392 services.exe
2676 services.exe
2676 services.exe
2392 services.exe
2392 services.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

services.exe

pid process

2024 services.exe
2024 services.exe
2024 services.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

services.exe

description pid process

Token: SeDebugPrivilege 2676 services.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

services.exe

pid process

2024 services.exe

pid	process
2392	services.exe
2392	services.exe
2676	services.exe
2676	services.exe
2392	services.exe
2392	services.exe

pid	process
2024	services.exe
2024	services.exe
2024	services.exe

description	pid	process
Token: SeDebugPrivilege	2676	services.exe

pid	process
2024	services.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Customer Advisory - HS Code - Maersk Shipping.doc.exeservices.exe

description	pid	process	target process
PID 2588 wrote to memory of 4044	2588	Customer Advisory - HS Code - Maersk Shipping.doc.exe	extrac32.exe
PID 2588 wrote to memory of 4044	2588	Customer Advisory - HS Code - Maersk Shipping.doc.exe	extrac32.exe
PID 2588 wrote to memory of 4044	2588	Customer Advisory - HS Code - Maersk Shipping.doc.exe	extrac32.exe
PID 2588 wrote to memory of 2024	2588	Customer Advisory - HS Code - Maersk Shipping.doc.exe	services.exe
PID 2588 wrote to memory of 2024	2588	Customer Advisory - HS Code - Maersk Shipping.doc.exe	services.exe
PID 2588 wrote to memory of 2024	2588	Customer Advisory - HS Code - Maersk Shipping.doc.exe	services.exe
PID 2024 wrote to memory of 2392	2024	services.exe	services.exe
PID 2024 wrote to memory of 2392	2024	services.exe	services.exe
PID 2024 wrote to memory of 2392	2024	services.exe	services.exe
PID 2024 wrote to memory of 3668	2024	services.exe	services.exe
PID 2024 wrote to memory of 3668	2024	services.exe	services.exe
PID 2024 wrote to memory of 3668	2024	services.exe	services.exe
PID 2024 wrote to memory of 2676	2024	services.exe	services.exe
PID 2024 wrote to memory of 2676	2024	services.exe	services.exe
PID 2024 wrote to memory of 2676	2024	services.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\Customer Advisory - HS Code - Maersk Shipping\Customer Advisory - HS Code - Maersk Shipping.doc.exe
"C:\Users\Admin\AppData\Local\Temp\Customer Advisory - HS Code - Maersk Shipping\Customer Advisory - HS Code - Maersk Shipping.doc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2588

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Customer Advisory - HS Code - Maersk Shipping\Customer Advisory - HS Code - Maersk Shipping.doc.exe C:\\Users\\Public\\Libraries\\Eoosrcxm.PIF
2⤵
PID:4044

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:2024

C:\ProgramData\Remcos\services.exe
C:\ProgramData\Remcos\services.exe /stext "C:\Users\Admin\AppData\Local\Temp\humriiqlqoorapoqbcdjrvgbltzja"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2392

C:\ProgramData\Remcos\services.exe
C:\ProgramData\Remcos\services.exe /stext "C:\Users\Admin\AppData\Local\Temp\rorkibbeewgdkvcukfyktaakuaisuwvb"
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
PID:3668

C:\ProgramData\Remcos\services.exe
C:\ProgramData\Remcos\services.exe /stext "C:\Users\Admin\AppData\Local\Temp\trec"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\Remcos\logs.dat
Filesize
144B

MD5
6d44a13c8f281ebb496b5ac523230a76

SHA1
2b92a01978a691a8c6273c98188015313da89338

SHA256
6eb9380902c4ae0d3f6c14b0712ca04261416636753bed0218999d9346df9bcd

SHA512
331e6f672a1a49aef7bcb1ec2e15b2fed0ab970b95b5fde9cc0adfe0e2227affd7b91bfbc288cfb5dd146b50399c05bb6929f2ef750015d95ead3ce78ce76f6b

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\humriiqlqoorapoqbcdjrvgbltzja
Filesize
4KB

MD5
18b6368b183e546a35847ae24b4b2913

SHA1
040545f7ac2c987d2a79b5e7f1cf9ab83bd25923

SHA256
54c101b6b1241b6a0574a66e5a5b9bddc6c60a4daf7338dba6fe3f65b27382af

SHA512
68ba8734016705cd12bf9d7ce41d5c823b2ec6ce9ee1ee7e9da9efcd9c88ef1f1b18148d91ad6a271c7a88d4ca098a99198ca709fcf217f9b1fa18f74c48d698

Download Submit
memory/2024-64-0x0000000051F40000-0x0000000051F59000-memory.dmp

Filesize
100KB

Download
memory/2024-78-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-17-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-18-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/2024-21-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-22-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-35-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-23-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-25-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-28-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-99-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-89-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-88-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-63-0x0000000051F40000-0x0000000051F59000-memory.dmp

Filesize
100KB

Download
memory/2024-77-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-66-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-67-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-60-0x0000000051F40000-0x0000000051F59000-memory.dmp

Filesize
100KB

Download
memory/2024-24-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-14-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-65-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2024-13-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/2024-26-0x0000000033A00000-0x0000000034A00000-memory.dmp

Filesize
16.0MB

Download
memory/2392-34-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2392-30-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2392-37-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2392-56-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2392-33-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2588-8-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/2588-0-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/2676-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2676-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2676-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2676-54-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2676-51-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/2676-48-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3668-39-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3668-42-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3668-41-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3668-40-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads