Analysis
- max time kernel
148s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
24/06/2024, 10:06
General
- Target PO7373646463.exe
- Size 1.1MB
- Sample240624-l43dpswhja
- SHA256 11bd38092d7eda3842cd5a5dc3fed362d5a5146ae6228a66b8ac2693e9a81279
Malware Config
Extracted
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remcos
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RemoteHost
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192.3.243.155:7643
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-KXS0YK
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
- Nirsoft 3 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 42 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO7373646463.exe"C:\Users\Admin\AppData\Local\Temp\PO7373646463.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO7373646463.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\inZJWlgLHYfhn.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\inZJWlgLHYfhn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB1FA.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe /stext "C:\Users\Admin\AppData\Local\Temp\aamefsmcwuaejmuw"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe /stext "C:\Users\Admin\AppData\Local\Temp\kcsxgkxwscsjttqatae"3⤵
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe /stext "C:\Users\Admin\AppData\Local\Temp\kcsxgkxwscsjttqatae"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe /stext "C:\Users\Admin\AppData\Local\Temp\nwfpydhygkknvhemlkraied"3⤵
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe /stext "C:\Users\Admin\AppData\Local\Temp\nwfpydhygkknvhemlkraied"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_wrlqn5ym.twg.ps1
aamefsmcwuaejmuw
tmpB1FA.tmp
memory/112-99-0x0000000000400000-0x0000000000462000-memory.dmp
memory/112-92-0x0000000000400000-0x0000000000462000-memory.dmp
memory/112-101-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1700-100-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1700-94-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1700-98-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1852-6-0x0000000005780000-0x0000000005790000-memory.dmp
memory/1852-45-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/1852-9-0x0000000006640000-0x00000000066DC000-memory.dmp
memory/1852-7-0x0000000006560000-0x000000000656C000-memory.dmp
memory/1852-5-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/1852-4-0x0000000005360000-0x000000000536A000-memory.dmp
memory/1852-0-0x00000000745BE000-0x00000000745BF000-memory.dmp
memory/1852-3-0x00000000053A0000-0x0000000005432000-memory.dmp
memory/1852-2-0x00000000058B0000-0x0000000005E54000-memory.dmp
memory/1852-1-0x0000000000830000-0x0000000000948000-memory.dmp
memory/1852-8-0x00000000067E0000-0x00000000068A0000-memory.dmp
memory/2344-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-119-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2344-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-118-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2344-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-120-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-115-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2344-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-128-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-135-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-136-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-143-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-144-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-152-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2344-151-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-73-0x0000000007030000-0x000000000704E000-memory.dmp
memory/2544-32-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/2544-19-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/2544-33-0x0000000005A80000-0x0000000005AE6000-memory.dmp
memory/2544-88-0x0000000007680000-0x0000000007716000-memory.dmp
memory/2544-62-0x0000000007050000-0x0000000007082000-memory.dmp
memory/2544-86-0x0000000007400000-0x000000000741A000-memory.dmp
memory/2544-63-0x0000000074E60000-0x0000000074EAC000-memory.dmp
memory/2544-77-0x00000000070A0000-0x0000000007143000-memory.dmp
memory/2544-111-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/3268-52-0x00000000060C0000-0x00000000060DE000-memory.dmp
memory/3268-42-0x0000000005C60000-0x0000000005FB4000-memory.dmp
memory/3268-105-0x0000000007720000-0x0000000007728000-memory.dmp
memory/3268-102-0x0000000007630000-0x000000000763E000-memory.dmp
memory/3268-74-0x0000000074E60000-0x0000000074EAC000-memory.dmp
memory/3268-85-0x0000000007A40000-0x00000000080BA000-memory.dmp
memory/3268-112-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/3268-14-0x0000000004B00000-0x0000000004B36000-memory.dmp
memory/3268-87-0x0000000007470000-0x000000000747A000-memory.dmp
memory/3268-53-0x00000000066E0000-0x000000000672C000-memory.dmp
memory/3268-104-0x0000000007740000-0x000000000775A000-memory.dmp
memory/3268-15-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/3268-103-0x0000000007640000-0x0000000007654000-memory.dmp
memory/3268-89-0x0000000007600000-0x0000000007611000-memory.dmp
memory/3268-25-0x0000000005960000-0x0000000005982000-memory.dmp
memory/3268-16-0x00000000052E0000-0x0000000005908000-memory.dmp
memory/3268-18-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/3268-17-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/4976-90-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4976-91-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4976-93-0x0000000000400000-0x0000000000478000-memory.dmp