remcos | c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/07/2026, 06:55

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General

Target
secured_stub.ps1
Size 2.3MB
Sample260714-hp9mpaaw21
SHA256 c730cd6bf03eae343899fbde12a1b113f3a2b7833e7c4e7101cb609bd29df041
MD5 213f06f8be791378ec619fcb17f7ff90
SHA1 93f30b486e8788e94cd1139031d673c036856f74
SHA512 a17ba97bcec0d6a23511fcf6a2fb5a438830c6ddc604d4922beaf6e6f0c7d0105a04bf30d4c0535288f0becf118bd20a6c5559279890398984e441b0a32551db
SSDEEP 24576:EVRYpnMG4peE5wGwdBO9cehwpBR5binOSGh8E950Je2jJm3BcBJ7dZ3Hr3QTgR1y:2WGvDKWwHbuOEEDcRdBMsDofp+W
TLSH
T138B533585D485ADB4E20F7FA762BBC48B6DC938BADC21303026C87B572E44B88B77C55
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost collection discovery execution remcos rat

Malware Config

Extracted

Family

remcos

Version

6.0.0 Pro

Botnet

RemoteHost

155.103.71.115:15670
155.103.71.115:15680

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-M9GNFN
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Detected Nirsoft tools 6 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/6116-45-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/964-44-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/6116-39-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3788-46-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3788-37-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3788-48-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/6116-45-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/6116-39-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/3788-46-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3788-37-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3788-48-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	aspnet_compiler.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	aspnet_compiler.exe
Key enumerated	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	aspnet_compiler.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2076 set thread context of 3952	2076	PowerShell.exe	93
PID 3952 set thread context of 3788	3952	aspnet_compiler.exe	96
PID 3952 set thread context of 6116	3952	aspnet_compiler.exe	98
PID 3952 set thread context of 964	3952	aspnet_compiler.exe	101

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2076	PowerShell.exe

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	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
3788	aspnet_compiler.exe
3788	aspnet_compiler.exe
964	aspnet_compiler.exe
964	aspnet_compiler.exe
3788	aspnet_compiler.exe
3788	aspnet_compiler.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe
2076	PowerShell.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
3952	aspnet_compiler.exe
3952	aspnet_compiler.exe
3952	aspnet_compiler.exe
3952	aspnet_compiler.exe
3952	aspnet_compiler.exe
3952	aspnet_compiler.exe
3952	aspnet_compiler.exe
3952	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	PowerShell.exe
Token: SeDebugPrivilege	964	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 3308	2076	PowerShell.exe	88
PID 2076 wrote to memory of 4336	2076	PowerShell.exe	89
PID 2076 wrote to memory of 1876	2076	PowerShell.exe	90
PID 2076 wrote to memory of 836	2076	PowerShell.exe	91
PID 2076 wrote to memory of 5828	2076	PowerShell.exe	92
PID 2076 wrote to memory of 3952	2076	PowerShell.exe	93
PID 2076 wrote to memory of 3952	2076	PowerShell.exe	93
PID 2076 wrote to memory of 3952	2076	PowerShell.exe	93
PID 2076 wrote to memory of 3952	2076	PowerShell.exe	93
PID 2076 wrote to memory of 3952	2076	PowerShell.exe	93
PID 2076 wrote to memory of 3952	2076	PowerShell.exe	93
PID 2076 wrote to memory of 3952	2076	PowerShell.exe	93
PID 3952 wrote to memory of 1536	3952	aspnet_compiler.exe	94
PID 3952 wrote to memory of 3320	3952	aspnet_compiler.exe	95
PID 3952 wrote to memory of 3788	3952	aspnet_compiler.exe	96
PID 3952 wrote to memory of 3312	3952	aspnet_compiler.exe	97
PID 3952 wrote to memory of 6116	3952	aspnet_compiler.exe	98
PID 3952 wrote to memory of 6048	3952	aspnet_compiler.exe	99
PID 3952 wrote to memory of 2760	3952	aspnet_compiler.exe	100
PID 3952 wrote to memory of 964	3952	aspnet_compiler.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	aspnet_compiler.exe

C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\secured_stub.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:3308
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:4336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:1876
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:836
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:5828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\xwegxsuayatqqggwr"
    3⤵
    PID:1536
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\xwegxsuayatqqggwr"
    3⤵
    PID:3320
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\xwegxsuayatqqggwr"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3788
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\irjzycfumildbmcaixjt"
    3⤵
    PID:3312
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\irjzycfumildbmcaixjt"
    3⤵
    - Accesses Microsoft Outlook accounts
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - outlook_office_path
    PID:6116
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\ktxrqvqviqdidaqmriwudgas"
    3⤵
    PID:6048
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\ktxrqvqviqdidaqmriwudgas"
    3⤵
    PID:2760
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\ktxrqvqviqdidaqmriwudgas"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:964

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

xwegxsuayatqqggwr

Path C:\Users\Admin\AppData\Local\Temp\xwegxsuayatqqggwr
Size 2B
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
MD5 SHA1 SHA512

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memory/964-43-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/964-44-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/964-41-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/2076-11-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-15-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-8-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-9-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-10-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-12-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-31-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-13-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-14-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-7-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-17-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-16-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-18-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-19-0x000001706C9C0000-0x000001706C9D8000-memory.dmp

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memory/2076-6-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-0-0x00007FFCC536F000-0x00007FFCC5370000-memory.dmp

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memory/2076-5-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/2076-3-0x000001706C950000-0x000001706C972000-memory.dmp

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memory/2076-4-0x00007FFCC51E0000-0x00007FFCC5B84000-memory.dmp

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memory/3788-48-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/3788-35-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/3788-32-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/3788-37-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/3788-46-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/3952-24-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-57-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-64-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-27-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-23-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-25-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-63-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-62-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-20-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-29-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-28-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-21-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-60-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-26-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-55-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-54-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/3952-53-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/3952-50-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/3952-22-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-30-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-59-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3952-58-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/6116-34-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/6116-39-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/6116-38-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/6116-45-0x0000000000400000-0x0000000000462000-memory.dmp

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